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	<title>I0GEJ's RadioCronache.com</title>
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	<link>http://www.radiocronache.com</link>
	<description>news, previews and reviews from ham radio world</description>
	<pubDate>Tue, 02 Dec 2008 18:06:25 +0000</pubDate>
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	<language>en</language>
			<item>
		<title>DRW16 the SDR by Roke UK - Windows®-based GUI and API - Wideband HF Receiver with 4 Narrowband Channels</title>
		<link>http://www.radiocronache.com/2008/12/drw16-sdr-windows-gui-api-hf-receiver/</link>
		<comments>http://www.radiocronache.com/2008/12/drw16-sdr-windows-gui-api-hf-receiver/#comments</comments>
		<pubDate>Tue, 02 Dec 2008 15:53:49 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[Events]]></category>

		<category><![CDATA[SDR Radio]]></category>

		<category><![CDATA[Anteprima]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Receiver]]></category>

		<category><![CDATA[Software]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=692</guid>
		<description><![CDATA[
DRW16 the Roke SDR employs a 16 bit A/D conversion to directly digitise the entire HF spectrum&#8230;
Il DWR16 della Roke Uk (divisione della Siemens) è un  Ricevitore SDR a conversione diretta (16 bit), down conversion implementata in FPGA • Da collegare  con USB2 al PC o Laptop • Interfaccia GUI e API sotto Windows® • Non ha la variazione [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/12/four-channels-spectra.jpg"><img class="alignnone size-full wp-image-694" title="four-channels-spectra" src="http://www.radiocronache.com/wp-content/uploads/2008/12/four-channels-spectra.jpg" alt="" width="478" height="126" /></a></p>
<p style="text-align: justify;"><strong>DRW16</strong> the Roke SDR employs a 16 bit A/D conversion to directly digitise the entire HF spectrum&#8230;</p>
<p>Il DWR16 della Roke Uk (divisione della Siemens) è un  Ricevitore SDR a conversione diretta (16 bit), down conversion implementata in FPGA • Da collegare  con USB2 al PC o Laptop • Interfaccia GUI e API sotto Windows® • Non ha la variazione continua dei filtri DSP però  dispone di • 74 BW in steps da 56Hz a 32kHz selezionabili in modo diverso per ciascun canale. Si tratta di un apparato  della Roke Uk compatto e a basso consumo • Very low power 3.5W • Registrazione dei segnali I/Q oppure di quelli demolulati in formato .wav. - Particolari struttura dallo schema a Blocchi che si può vedere in dettaglio <span style="color: #ff0000;">cliccando</span> l&#8217;immagine qui sotto per ingrandirla.  (<span style="color: #ff0000;">click</span> for larger image) - <em>The DRW16 © 2008 Roke Manor Research Limited.</em></p>
<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/12/block-and-front.jpg"><img class="alignleft size-medium wp-image-697" title="block-and-front" src="http://www.radiocronache.com/wp-content/uploads/2008/12/block-and-front-300x154.jpg" alt="" width="300" height="154" /></a>Il software DWR in dotazione apre più sezioni dedicate ai vari controlli • Permette di ricevere, monitorare lo spettro e controllare 4 canali indipendenti, sintonizzabili rapidamente su tutta la banda HF • Tenere sotto controllo l&#8217;intero spettrro di frequenza da 9 kHz a 40 MHz con risoluzione di 1Hz. Il DRW16 è dotato di • Attenuatore automatico o manuale (0dB to -31dB in 1dB steps) • Controllo dell&#8217;AGC in automatico (fast medium slow) oppure in manuale con steps di 6dB, valori diversi impostabile per ciscun canale • Frequency Counter dedicato alla sintonia, si attiva anche di volta in volta per ciscun canale monitorato cliccando su una della 4 barre dati dei canali (distinte da 4 colori) che indicano per ciscuno: • Frequenza • Bandwidth • Mode • BFO • AGC • Gain • Level S-meter • ALC • Wav.</p>
<p>Link to: <a href="http://www.roke.co.uk/download/datasheets/063-dwr16.pdf">Download the Roke DRW16 Datasheet .PDF</a></p>
<p><strong>ENG:</strong> <em>DRW16 employs A/D conversion to directly digitise the entire HF spectrum, Down conversion FPGA, USB2 interface to a PC or laptop  for furter IF filtering, signal demodulation, spectrum display 4 indipendent receiver channels and full HF spectrum. The DWR16 is supplied with a Windows®-based application providing a user-interface for receiver control and signal processing of the received signals.<br />
The interface displays and controls the following functions: • Attenuator: automatic or manual mode (0dB to -31dB in 1dB steps) • Signal level - • Centre frequency: 0 to 40MHz with 1Hz resolution) • Bandwidth: (32kHz to 56Hz with 74 bandwidths) • Demodulation (I/Q, AM, USB, LSB, ISB, CW, FM) • Gain control: automatic (fast medium slow) and manual (6dB steps) • Signal level • Audio output level control: automatic or fixed (2 settings) • Audio output • Recording: I/Q or demodulated signal in .wav format • GUI showing: Simultaneous monitoring and display of four narrowband HF channels and full HF spectrum • Four independent receiver channels tune over entire HF band. The DRW16 © 2008 Roke Manor Research Limited.</em></p>
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		</item>
		<item>
		<title>The IC-7600 at Pescra HamFair - Amateur Radio Show 2008; L&#8217;IC-7600 alla Fiera di Pescara (It) 2008</title>
		<link>http://www.radiocronache.com/2008/11/ic-7600-at-pescra-hamfair-2008-fiera-di-pescara-08/</link>
		<comments>http://www.radiocronache.com/2008/11/ic-7600-at-pescra-hamfair-2008-fiera-di-pescara-08/#comments</comments>
		<pubDate>Sat, 29 Nov 2008 19:54:42 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[Featured]]></category>

		<category><![CDATA[Fiere-Expo]]></category>

		<category><![CDATA[IC-7600]]></category>

		<category><![CDATA[Anteprima]]></category>

		<category><![CDATA[Icom]]></category>

		<category><![CDATA[Transceiver]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=671</guid>
		<description><![CDATA[
Icom IC-7600 on show at Pescra Hamfire 2008; Prima visione sul nuovo IC-7600 ala Fiera di Pescara 2008.
Marcucci Spa, Importatore Icom, ha esposto il nuovo IC-7600 alla Fiera Mercato di Pescara (Italy)  il 29/30 Nov. 2008. Il primo prototipo di questo nuovo modello era stato mostrato presso la HanFair 2008 tenutasi il 23 e 24 [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/ic-7600-pescara-it.jpg"><img class="alignnone size-full wp-image-672" title="ic-7600-pescara-it" src="http://www.radiocronache.com/wp-content/uploads/2008/11/ic-7600-pescara-it.jpg" alt="" width="478" height="379" /></a></p>
<p style="text-align: justify;">Icom IC-7600 on show at Pescra Hamfire 2008; Prima visione sul nuovo IC-7600 ala Fiera di Pescara 2008.</p>
<p><strong>Marcucci Spa</strong>, Importatore Icom, ha esposto il nuovo IC-7600 alla Fiera Mercato di Pescara (Italy)  il 29/30 Nov. 2008. Il primo prototipo di questo nuovo modello era stato mostrato presso la HanFair 2008 tenutasi il 23 e 24 agosto 2008 a Tokyo.</p>
<p style="text-align: justify;">L&#8217;Icom IC7600 sarà presto in arrivo, probabile all&#8217;inizio della primavera 2009.</p>
<p><strong>IC-7600 Dual Watch</strong>, è una configurazione del ricevitore in cui la larghezza di banda in ingresso RF è presentata. tramite un divisore (power-divider) a due vie, ai due 1st mixers, ciascuno pilotati con il proprio segnale di OL. L&#8217;output di questi due mixer sono ricombinati in IF e poi demodulati, creando un canale composito con la banda base (audio). Il Dual Watch permette il monitoraggio simultaneo in tempo reale di due frequenze in bande adiacenti, e nello stesso modo. E &#8216;inoltre pienamente funzionale in combinazione con l&#8217;operazione in Split.</p>
<p>Link to: <a href="http://www.ab4oj.com/icom/dw.html">Dual Watch is explained by Adam VA7OJ</a></p>
<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/ic-7600-front.jpg"><img class="size-medium wp-image-675 alignleft" title="ic-7600-front" src="http://www.radiocronache.com/wp-content/uploads/2008/11/ic-7600-front-300x158.jpg" alt="" width="300" height="158" /></a></p>
<p style="text-align: justify;">IC-7600 100w HF/6 all mode transceiver ; 4 pin DC 13.8v similar to IC 7000; 3 Roofing filters; Icom Dual Watch; Spectrum Scope features idem to IC-7700; RTTY and PSK 31 RX &amp; TX  built in; APF/TBF (Twin Bandpass filter for Digital); Variable TX Bandwidth; TX/RX Audio Controls; USB port for Memory stick or Keyboard; USB port for Rig control and audio baseband impu/output;  4 pin DC 13.8v similar to IC 7000. - The Icom IC7600 will be arriving coming spring 2009.</p>
<p>&#8212;&#8212;-</p>
<p style="text-align: justify;"><strong>ENG:</strong> <em>First Glimpse of IC-7600 at Pescara (Italy) Hamfair 29.11.2008<br />
<strong>Marcucci Spa</strong>, a major Italia Icom dealer, it has introduced the new IC-7600 at the Pescara Ham Fair, 29/30 Nov 2008. Early prototype samples of this new model were shown at the JARL Ham Fair 2008 held between August 23rd and 24th 2008 in Tokyo.  - The Icom IC7600 will be arriving coming spring 2009.</p>
<p><strong>IC-7600 Dual Watch</strong>, is a receiver configuration in which the incoming RF bandwidth is presented via a power divider to two 1st mixers, each with its own LO. The IF outputs of these mixers are combined and demodulated, yielding a composite baseband (audio) channel. Dual Watch allows simultaneous monitoring in real time of two frequencies in the same or adjacent bands, and in the same mode. It is also fully functional in conjunction with split operation.</em></p>
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		<item>
		<title>FTdx9000 Mark 2, Yaesu USA released its PEP-9000 Performance Enhancement Program for all FTdx-9000 radios</title>
		<link>http://www.radiocronache.com/2008/11/ftdx9000-mark-2-yaesu-usa-released-performance-enhancement-program/</link>
		<comments>http://www.radiocronache.com/2008/11/ftdx9000-mark-2-yaesu-usa-released-performance-enhancement-program/#comments</comments>
		<pubDate>Tue, 25 Nov 2008 00:03:48 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[FTdx-9000]]></category>

		<category><![CDATA[Anteprima]]></category>

		<category><![CDATA[Firmware update]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Transceiver]]></category>

		<category><![CDATA[Yaesu VS]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=660</guid>
		<description><![CDATA[
FTdx-90000 PEP-9000 Version (aka Mark 2), Yaesu USA released its Performance Enhancement Program for all FTdx-9000 radios. La sfida delle performance degli apparati &#8220;flagship&#8221; si riaccende con questo evento!!
Anteprima, in Maggio 2008: Dal BOLLETTINO DI VENDITA - Divisione Prodotti Radioamatori N. 08-0513b del 13 maggio 2008. Si annuncia ai soli rivenditori il Programma Yaesu per [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/ftdx-9000-rear-panel.jpg"><img class="alignnone size-full wp-image-662" title="ftdx-9000-rear-panel" src="http://www.radiocronache.com/wp-content/uploads/2008/11/ftdx-9000-rear-panel.jpg" alt="" width="478" height="200" /></a><br />
FTdx-90000 PEP-9000 Version (aka Mark 2), Yaesu USA released its Performance Enhancement Program for all FTdx-9000 radios. La sfida delle performance degli apparati &#8220;flagship&#8221; si riaccende con questo evento!!</p>
<p>Anteprima, in Maggio 2008: Dal BOLLETTINO DI VENDITA - Divisione Prodotti Radioamatori N. 08-0513b del 13 maggio 2008. Si annuncia ai soli rivenditori il Programma Yaesu per il miglioramento delle prestazioni dell&#8217;FTdx 9000. &#8220;Il meglio del meglio ancora migliore&#8221;!  omissis &#8230;&#8230; &#8220;Questa notizia attesa da tempo  sarà di grande interesse per tutti gli esistenti e potenziali acquirenti della nostra radio ammiraglia FTDX 9000 serie&#8221;</p>
<p>Finalmente, a Novembre 2008: In USA l&#8217;Upgrade <strong>&#8220;PEP-9000&#8243;</strong> ha inizio dopo mesi di test presso la casa  del produttore in Giappone! Notizia ufficiale da Vertex Standard del 10 Ottobre 2008 (riveduta il 20.11.2008): Si inizia il programma di rafforzamento delle performance per i proprietari della serie FTdx9000 il 10 novembre 2008 &#8230;.  La &#8220;PEP-9000 Version&#8221; ( Also Known As: Mark 2), Negli USA la V/S Yaesu ha rilasciato il suo programma di miglioramento delle prestazioni per tutta la serie dei Transceiver FTdx-9000. Ciò include l&#8217;inserimento dei nuovi firmware dopo la sostituzione/modifica di varie schede: CNTL-UNIT; TX-DSP-UNIT, SCP-UNIT, RX-1-UNIT, RX-2-UNIT (per il D e MP), e lo strumento Power Meter. Il progetto sarà offerto per un anno e scadrà il 31 dicembre 2009. Vertex Standard (Yaesu USA) fornirà tutti i pezzi di ricambio e la manodopera per i miglioramenti a sue spese negli USA per soli proprietari residenti negli Stati Uniti.<br />
(I Proprietari fuori degli USA devono contattare i rispettivi Uffici Intenazionali della Yaesu Vertex Standard).</p>
<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/front.jpg"><img class="size-full wp-image-666 alignleft" title="front" src="http://www.radiocronache.com/wp-content/uploads/2008/11/front.jpg" alt="" width="300" height="226" /></a><span style="color: #ff0000;">The firmware addresses the following items </span>(Il nuovo firmware migliora i seguenti punti):<br />
DNR… superior SSB mode noise reduction<br />
DNF…greater reduction of beat tones<br />
AGC… attack time fine-tuned<br />
Digital Filter&#8230; increased Sharp/Soft differentiation<br />
SSB speech processor audio augmented<br />
Higher Band Scope refresh rates<br />
Faster CAT COMMAND communication<br />
CW side tone clarity ( Side tone più limpido in CW)<br />
Activate RTTY monitor while transmitting<br />
Ringing during CW super narrow receiving</p>
<p><span style="color: #ff0000;">This modification includes replacement of the items below: </span>CNTL-UNIT - TX-UNIT - DSP-UNIT - SCP-UNIT - RX-1-UNIT - RX-2-UNIT (for D/MP version) - Power Meter. Note: The number of boards replaced is dependent on each Radio.</p>
<p><strong>ENG:</strong> <em>Official news by Vertex Standard 10/28/08 (Revised 11/20/08): We will begin the Enhancement upgrade for owners of the FTdx9000 radios on November 10, 2008&#8230;.<br />
The <strong>PEP-9000 Version</strong> (aka Mark 2): Yaesu USA released its Performance Enhancement Program for all FTdx-9000 radios. This includes all new firmware and replacement/modification of CNTL-UNIT, TX-UNIT, DSP-UNIT, SCP-UNIT, RX-1-UNIT, RX-2-UNIT (D/MP), Power Meter. The project will only be offered for one year and will expire December 31, 2009.<br />
Vertex Standard will provide all parts and labor for the Enhancements at our expense, for owners within the continental United States. (Owners outside the United States should contact their respective International Yaesu or Vertex Standard Office.)<br />
</em></p>
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		<item>
		<title>The PA Unit from IC-7700 delivers 200W - Some common sense rules for ensuring long PA life!</title>
		<link>http://www.radiocronache.com/2008/11/pa-unit-ic-7700-rules-for-ensuring-long-pa-life-by-va7oj/</link>
		<comments>http://www.radiocronache.com/2008/11/pa-unit-ic-7700-rules-for-ensuring-long-pa-life-by-va7oj/#comments</comments>
		<pubDate>Wed, 19 Nov 2008 18:33:06 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[IC-7700]]></category>

		<category><![CDATA[Download]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Icom]]></category>

		<category><![CDATA[Transceiver]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=644</guid>
		<description><![CDATA[
The final PA stage from IC-7700 delivers 200W.  Lo stadio finale di potenza realizzato da Icom per il transceiver IC-7700 eroga 200W (at full duty cycle) con un circuito push-pull di due MRF150 Power Field-Effect Transistor, prodotti dalla &#8220;tyco/Electronics - M/A-COM&#8221; ed alimentati con 48V DC.
Transistor progettati per stadi di uscita linerai di potenza con frequenza [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/pa-unit-mrf150.jpg"><img class="alignnone size-medium wp-image-646" title="pa-unit-mrf150" src="http://www.radiocronache.com/wp-content/uploads/2008/11/pa-unit-mrf150-300x206.jpg" alt="" width="300" height="206" /></a><br />
The final PA stage from IC-7700 delivers 200W.  Lo stadio finale di potenza realizzato da Icom per il transceiver IC-7700 eroga 200W (at full duty cycle) con un circuito push-pull di due MRF150 Power Field-Effect Transistor, prodotti dalla &#8220;tyco/Electronics - M/A-COM&#8221; ed alimentati con 48V DC.<br />
Transistor progettati per stadi di uscita linerai di potenza con frequenza fino a 150MHz. Specifiche da M/A-COM Technical Data  a 50 Volts, 30MHz, per ciascun MRF150: Output power = 150 Watts; Power Gain 17 dB (Typ); IMD (d3) (150W PEP) -32 dB (Typ); IMD (d11) -60 dB (Typ); <span style="color: #ff0000;">100% Tested </span>for load Mismatch at all Phase angles with 30:1 VSWR!<br />
Con il Link qui sotto si potrà leggere le regole di buon senso per una lunga vita delllo stadio finale di potenza. Regole che valgono per tutti gli apparati con PA a transistor! I consigli di Adam VA7OJ&#8217;s sono ben descritti nella sua pagina web appositamente dedicata, che si può scaricare con il Link qui sotto.<br />
<a href="http://www.ab4oj.com/quadra/rules.html"><br />
<img class="alignnone size-full wp-image-648" title="link-pa-life" src="http://www.radiocronache.com/wp-content/uploads/2008/11/link-pa-life.jpg" alt="" width="480" height="37" /></a></p>
<p style="text-align: justify;"><strong>ENG:</strong> <em>Download and read my friend Adam VA7OJ&#8217;s article &#8220;Common-Sense Rules for Long PA Life&#8221;  (Link up)<br />
The final PA stage delivers 200W (at full duty cycle) with a push-pull circuit using two MRF150 MOSFET RF power devices from tyco/Electronics M/A-COM, fed with 48V DC. The circuit is well-designed. The MRF150 designed primarily for linear large-signal output stages up to 150MHz frequency range.</em></p>
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		<item>
		<title>IC-7200: USB port for CI-V and PCM baseband imput/output; Link to User Evaluation  Test Report by Adam VA7OJ</title>
		<link>http://www.radiocronache.com/2008/11/ic-7200-usb-port-ci-v-pcm-baseband-and-evaluation-test-report-by-va7oj/</link>
		<comments>http://www.radiocronache.com/2008/11/ic-7200-usb-port-ci-v-pcm-baseband-and-evaluation-test-report-by-va7oj/#comments</comments>
		<pubDate>Fri, 07 Nov 2008 23:58:03 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[IC-7200]]></category>

		<category><![CDATA[Anteprima]]></category>

		<category><![CDATA[Download]]></category>

		<category><![CDATA[HRD Software]]></category>

		<category><![CDATA[Icom]]></category>

		<category><![CDATA[Transceiver]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=628</guid>
		<description><![CDATA[
The IC-7200 is equipped with a rear-panel USB &#8220;B&#8221; port for CI-V controll and PCM baseband (audio) imput/output. 
Questa nuova e interessante caratteristica penso che sarà applicata  su tutti i futuri Transceiver HF Icom;
The TX Block diagram, riportato sull&#8217;immagine (clik for larger), illustra il percorso del segnale audio dall&#8217;USB interface (USB2502) controllata dalla CPU (MC16C/62P) verso la USB Codec [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/11/blockdiagrusb.jpg"><img class="alignnone size-medium wp-image-631" title="blockdiagrusb" src="http://www.radiocronache.com/wp-content/uploads/2008/11/blockdiagrusb-300x108.jpg" alt="" width="300" height="108" /></a><br />
<strong>The IC-7200</strong> is equipped with a rear-panel USB &#8220;B&#8221; port for CI-V controll and PCM baseband (audio) imput/output. <br />
Questa nuova e interessante caratteristica penso che <strong>sarà</strong> applicata  su tutti i futuri Transceiver HF Icom;</p>
<p style="text-align: justify;">The TX Block diagram, riportato sull&#8217;immagine (<span style="color: #ff0000;">clik for larger</span>), illustra il percorso del segnale audio dall&#8217;USB interface (USB2502) controllata dalla CPU (MC16C/62P) verso la USB Codec (PCM2901E) poi all&#8217; Amp. TS462CPT, quindi al Codec/Mixer di 3rd IF (AK4620BVFP) in cui confluisce in alternativa al segnale MIC tramite l&#8217;elaborazione del DSP. </p>
<p style="text-align: justify;">L&#8217;IC-7200 è dotato di una porta USB &#8220;B&#8221; sul pannello posteriore. Così, la radio può essere collegato direttamente ad un computer portatile o ad altri PC tramite un cavo USB &#8220;A-B&#8221;.   La porta USB trasporta non solo i dati CI-V, ma anche la banda base PCM per TX e RX tra IC-7200 e il computer. Di conseguenza, il cavo USB è l&#8217;unica connessione richiesta tra Radio e PC. Senza l&#8217;eterno disordine dei cavi e scatole o interfacce convertitori di livello!<br />
Si deve istallare il driver USB - scaricabile dal sito assistenza globale della Icom Giappone, inoltre è anche necessario installare un altro software di gestione, come l&#8217;eccellente HRD - Ham Radio Deluxe. (regolate correttamente i livelli di imput di HRD in base al segnale PCM banda base della porta USB)</p>
<p style="text-align: justify;"><a href="http://www.ab4oj.com/icom/ic7200/7200notes.pdf"><img class="alignnone size-full wp-image-634" title="user-evaluation" src="http://www.radiocronache.com/wp-content/uploads/2008/11/user-evaluation.jpg" alt="" width="360" height="74" /></a><br />
<strong>IC-7200</strong> User Evaluation and Test Report, 16 pages; This report, by Adam Farson VA7OJ, describes the evaluation of IC-7200 S/N 0201013 from a user perspective, as well as the results of several RF lab test performed on the radio. Adam spend a number of days with the IC-7200 in your ham-shack.  <span style="color: #ff0000;"><strong>Clik</strong> to image for download the Adam&#8217;s report (.pdf formt)<br />
</span><br />
<strong>ENG:</strong> <em>The IC-7200 is equipped with a rear-panel USB B port. Thus, the radio can be directly connected to a laptop or other PC via a standard USB A-B cable. The USB port trasports not only CI_V data, but also TX and RX PCM baseband between the IC-7200 and the computer. As a result, the USB cable is the only radio/PC connection required. Gone forever is the mess of cables, levl converters and interface boxes!<br />
I istalled the Icom USB drivers - downloadable from the Icom Japan world-wide support site and other software come HRD, Ham Radio Deluxe. (set the PCM baseband level correctly at the imput to HRD software).</em></p>
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		<title>IC-7700 RF UNIT, 2nd Mixer as a image rejection. Circuit Description</title>
		<link>http://www.radiocronache.com/2008/10/ic-7700-rf-unit-2nd-mixer-circuit-description/</link>
		<comments>http://www.radiocronache.com/2008/10/ic-7700-rf-unit-2nd-mixer-circuit-description/#comments</comments>
		<pubDate>Tue, 28 Oct 2008 21:16:02 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[IC-7700]]></category>

		<category><![CDATA[DSP unit]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Icom]]></category>

		<category><![CDATA[Transceiver]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=612</guid>
		<description><![CDATA[
IC-7700 RF UNIT, 2nd Mixer as a image rejection, Circuit Description. Note the large toroidal coils, BPF bank
Il segnale convertito di 1st IF viene poi filtrato da uno dei tre Roofing Filters (3-6-15 kHz). Il segnale di 1st IF filtrato viene suddiviso in due prima di essere applicato al 2nd Mixer che è un Mixer [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/10/ic-7700-rf-unit.jpg"><img class="alignnone size-medium wp-image-614" title="ic-7700-rf-unit" src="http://www.radiocronache.com/wp-content/uploads/2008/10/ic-7700-rf-unit-300x258.jpg" alt="" width="300" height="258" /></a><br />
IC-7700 RF UNIT, 2nd Mixer as a image rejection, Circuit Description. <span style="color: #ff0000;">Note</span> the large toroidal coils, BPF bank<br />
Il segnale convertito di 1st IF viene poi filtrato da uno dei tre Roofing Filters (3-6-15 kHz). Il segnale di 1st IF filtrato viene suddiviso in due prima di essere applicato al 2nd Mixer che è un Mixer ad alta rejezzione d&#8217;immagine IF.<br />
Ciascuno dei due segnali splittati dalla 1s IF vengono mixati con i segnali del 2nd OL provenienti dal PLL UNIT, per essere convertiti nella 2nd IF a 36kHz. Uno dei segnali di OL  è spostato in fase di 90 gradi prima di essere applicato al 2nd Mixer (un <span style="color: #ff0000;">9A41-G</span>), e così anche uno dei segnali convertiti di  2nd IF risulta con fase diversa di 90 gradi rispetto all&#8217;altro.<br />
Questi due segnali convertiti di 2nd IF, sfasati tra loro di 90 gradi, sono ricombinati per la differenza di fase da un  sommatore (<span style="color: #ff0000;">NJM074M</span>) per ottenere così un unico segnale lasciando fuori gli altri segnali non coincidenti. Il segnale di 2nd IF ricombinato viene  fatto entrare nell&#8217;ADC (<span style="color: #ff0000;">AK5394</span>) per essere convertito a 24-bit in dati seriali. I dati seriali (digitali) sono applicati al DSP (<span style="color: #ff0000;">TMS320C6727</span>), sulla MAIN UNIT.</p>
<p>Link to: <a href="http://www.ab4oj.com/icom/ic7700/7700notes.html">Adam, VA7OJ&#8217;s IC-7700 User Review web page</a><br />
<strong><br />
ENG:</strong> <em>The converted 1st RX IF signal is then filtered bay one of 1st IF Roofing Filters (3-6-15 kHz).<br />
The filtered 1st IF signal is splitted into two before being applied to the 2nd Mixers, as a image rejection Mixer. Each divided 1st IF signal is mixed with 2nd LO signals from the PLL UNIT, to be converted into the 36kHz 2nd RX IF signal. One of the LO signal is 90 degrees phase-shifted before being applied to 2nd Mixer (9A41-G), and the converted 2nd RX IF is 90 degrees phase-shifted too.<br />
These converted 2nd IF signals whose phase is different each other are phase-shifted by the phase shifter, then composed by the composer (NJM074M). The composed 2nd IF signal is amplified by another 2nd IF AMP, then entered to the ADC (AK5394) to be converted into the 24-bit serial data. The serial data is applied to the DSP (TMS320C6727) on the MAIN UNIT</em>.</p>
<p><em>Icom, Icom Inc. are registered trademarks of Icom Incorporated  (Jp) - <span style="color: #ff0000;">Image</span> (c) i0gej&#8217;s radiocronache</em></p>
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		<title>E.M.E. Conference 2008, there were more than 168 EMEers in Florence. News and image from 432 EME Newsletter</title>
		<link>http://www.radiocronache.com/2008/10/eme-2008-168-emeers-in-florence-it-eme-newsletter/</link>
		<comments>http://www.radiocronache.com/2008/10/eme-2008-168-emeers-in-florence-it-eme-newsletter/#comments</comments>
		<pubDate>Mon, 20 Oct 2008 18:06:21 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[Events]]></category>

		<category><![CDATA[Other News]]></category>

		<category><![CDATA[Ham Radio]]></category>

		<category><![CDATA[Immagini]]></category>

		<category><![CDATA[Moon]]></category>

		<category><![CDATA[Software]]></category>

		<category><![CDATA[UHF]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=560</guid>
		<description><![CDATA[
E.M.E. Conference 2008, there were more than 168 EME Operators at the 13th International EME Conference 2008 in Florence, Italy (clik for very impressive big image).
EME, Earth-Moon-Earth è un particolare tipo di  radiocomunicazioni amatoriali Terra-Luna-Terra, che utilizza la Luna come riflettore passivo. A Firenza si è tenuta la 13° Conferenza Mondiale EME 2008 a cui hanno partecipato [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/10/168-emeers.jpg"><img class="alignnone size-medium wp-image-563" title="168-emeers in Florence" src="http://www.radiocronache.com/wp-content/uploads/2008/10/168-emeers-300x82.jpg" alt="" width="300" height="82" /></a><br />
E.M.E. Conference 2008, there were more than <strong>168 </strong>EME Operators at the 13th International EME Conference 2008 in Florence, Italy (<span style="color: #ff0000;">clik</span> for very impressive big image).<br />
EME, Earth-Moon-Earth è un particolare tipo di  radiocomunicazioni amatoriali Terra-Luna-Terra, che utilizza la Luna come riflettore passivo. A Firenza si è tenuta la 13° Conferenza Mondiale EME 2008 a cui hanno partecipato ben 168 Operatori dalle varie parti del mondo. (Cliccare per vedere una immagine grande!)</p>
<p>News from the 432 AND ABOVE EME NEWSLETTER SEPTEMBER 2008, VOL 36 #10. - <span style="color: #ff0000;"><em>Posted by</em> </span><strong>I0NAA, </strong>Mario from Assisi -  It was a great conference with 168 EMEers attending and 85 guests. Everyone I talked with had a great time and thought the conference was excellent: location, facilities, technical sessions, refreshments, banquet, tours - (I especially enjoyed the tour of the Marconi home)&#8230; all were wonderful. The organizing committee and ARI Comitato Regionale Toscana, deserves our TNX; Editor AL KATZ, K2UYH; NL Web Version by W6/PA0ZN;</p>
<p>Link to: <a href="http://www.nitehawk.com/rasmit/JT44/Jt44.pdf">K2UYH&#8217;s Doc. Small Station EME Using JT44 JT65.pdf </a> (Needs Adobe reader)<br />
Link to: <a href="http://www.nitehawk.com/rasmit/NLD/eme0810.pdf">Download the 432 and Above NL VOL 36 #10</a></p>
<p><span style="color: #ff0000;">Watch</span> the 432 and Above EME NL September 2008 for more details and news, including the  &#8220;NF&#8221; Measurement result from EME 2008 (TNX hb9bbd). See the table &#8220;NF&#8221; dB on 432 - 1296 - 2300 MHz and Device type on 1st stage, See the PI9CAM reception of radio sources &#8220;driftscans diagram&#8221; <br />
<span style="color: #ff0000;">Wiew</span> this photo: PE1RDP’s 2 yagi array for 70 cm EME, OK1TEH’s antennas including dish used on 23 cm EME, PA3FXB will be QRV again soon, RW1AW’s 13 cm dish, WD5AGO’s 9 cm feed, OK1DFC and IK6EIW discussing EME contest rules, OK1DFC and IK6EIW discussing EME contest rules, Some of the spouses on tour (ndr: including the Missis Marina Xyl of i0naa) and F5SE checking the latest EME gear at the Marconi Museum!!</p>
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		<title>Web-SDR on 20m, 40m and 80m multiple users, located at the amateur radio club ETGD at the University of Twente NL</title>
		<link>http://www.radiocronache.com/2008/10/web-sdr-on-20m-40m-and-80m-multiple-users-located-at-the-amateur-radio-club-etgd-at-the-university-of-twente-nl/</link>
		<comments>http://www.radiocronache.com/2008/10/web-sdr-on-20m-40m-and-80m-multiple-users-located-at-the-amateur-radio-club-etgd-at-the-university-of-twente-nl/#comments</comments>
		<pubDate>Mon, 20 Oct 2008 08:00:15 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[SDR Radio]]></category>

		<category><![CDATA[Self made]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Receiver]]></category>

		<category><![CDATA[Software]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=422</guid>
		<description><![CDATA[
WebSdr.ewi.utwente.nl: Clik on the image to Link a SrdRadio web can listen to and control a Short-wawe receiver located at the Amateur Radio club ETGD at the University of Twente. Please log-in by your callsign!
Web SDR (Software Defined Radio via internet) in 20m, 40m e 80m multi utente, che si trova presso il Club Radioamatoriale ETGD, presso [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://websdr.ewi.utwente.nl:8901/"><img class="alignnone size-full wp-image-423" title="Link-to-web-sdr-multiuser" src="http://www.radiocronache.com/wp-content/uploads/2008/08/web-sdr-multiuser.jpg" alt="" width="500" height="317" /></a><br />
WebSdr.ewi.utwente.nl: <span style="color: #ff0000;">Clik</span> on the image to Link a SrdRadio web can listen to and control a Short-wawe receiver located at the Amateur Radio club ETGD at the University of Twente. Please log-in by your callsign!</p>
<p><strong>Web SDR</strong> (Software Defined Radio via internet) in 20m, 40m e 80m multi utente, che si trova presso il Club Radioamatoriale ETGD, presso l&#8217;Università di Twente NL.<br />
Su questa pagina potete ascoltare e controllare un ricevitore per onde corte (HF 80 40 e 20m) situato nell&#8217;Amateur Radio Club ETGD - PI4THT, presso l&#8217;Università di Twente, Paesi Bassi - Facoltà di Ingegneria Elettrica, di Matematica e Informatica. Contrariamente ad altri ricevitori controllati via web, questo ricevitore può essere sintonizzato ed ascoltato da parte di <strong>più utenti</strong> contemporaneamente, grazie all&#8217;utilizzo del Software-Defined Radio e un interfaccia lì progettata!<br />
Si possono usare i vari comandi per sintonizzare, cambiare la Banda Passante del DSP, cambiare il modo e vedere l&#8217;intensità del segnale in dBm. Nel riquadro sotto vengono indicate le sigle (con scritte colorate) di chi ha fatto il log-in e le frequenze che utilizzano in tempo reale. <span style="color: #ff0000;">No abuse</span>, please!! </p>
<p>Link to: <a href="http://websdr.ewi.utwente.nl:8901/">Enter on the Web-SDR web page</a></p>
<p>ENG: <em>Web-SDR on 20m, 40m and 80m multiple users, located at the amateur radio club ETGD at the University of Twente Nl.<br />
On this page you can listen to and control a short-wave receiver (HF 80 40 and 20m band), located at the Amateur Radio Club ETGD - PI4THT at the University of Twente, Netherlands - Faculty for Elettrical Engineering Mathematics and Computer Science. In contrast to other web-controlled receivers, this receiver can be tuned by <strong>multiple users</strong> simultaneously, thanks to the use of Software-Defined Radio with special interface ! </em></p>
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		<title>FLEX-3000 SDR Transceiver: is the new FlexRadio mid-range 100 watt HF 50MHz</title>
		<link>http://www.radiocronache.com/2008/10/flex-3000-sdr-transceiver-mid-range-100-watt/</link>
		<comments>http://www.radiocronache.com/2008/10/flex-3000-sdr-transceiver-mid-range-100-watt/#comments</comments>
		<pubDate>Sat, 18 Oct 2008 19:30:31 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[SDR Radio]]></category>

		<category><![CDATA[Computer]]></category>

		<category><![CDATA[HF]]></category>

		<category><![CDATA[Software]]></category>

		<category><![CDATA[Transceiver]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=539</guid>
		<description><![CDATA[ 
FLEX-3000 is new FlexRadio mid-range 100W tramsceiver, delivery in January 2009 .  Il FLEX-3000 è una &#8220;diretta decedent&#8221; del FLEX-5000 ™, un transeiver SDR (Software Defined Radio) per uso amatoriale di prima classe per performance.
Il FLEX-3000 utilizza Filtri di Banda individuali ottimizzati per coprire sia le bande dei radioamatori (filtri di 5°ordine ottimizzati per ciscuna [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.radiocronache.com/wp-content/uploads/2008/10/fx3000-laptop.jpg"><img class="alignnone size-thumbnail wp-image-544" title="fx3000-laptop" src="http://www.radiocronache.com/wp-content/uploads/2008/10/fx3000-laptop-150x150.jpg" alt="" width="150" height="150" /></a> <a href="http://www.radiocronache.com/wp-content/uploads/2008/10/fx3000-open.jpg"><img class="alignnone size-thumbnail wp-image-545" title="fx3000-open" src="http://www.radiocronache.com/wp-content/uploads/2008/10/fx3000-open-150x150.jpg" alt="" width="150" height="150" /></a><br />
<strong>FLEX-3000</strong> is new FlexRadio mid-range 100W tramsceiver, <span style="color: #ff0000;">delivery</span> in January 2009 .  Il FLEX-3000 è una &#8220;diretta decedent&#8221; del FLEX-5000 ™, un transeiver SDR (Software Defined Radio) per uso amatoriale di prima classe per performance.<br />
Il FLEX-3000 utilizza Filtri di Banda individuali ottimizzati per coprire sia le bande dei radioamatori (filtri di 5°ordine ottimizzati per ciscuna Banda, fatta eccezione per 160m che ha un filtro di 7° ordine) e di un LPF per la copertura generale. The FLEX-3000 è già dotato di un unità di antenna tuning (ATU), tutte le funzioni dell&#8217;ATU sono controllate automaticamente dal programma FlexRadio PowerSDR, oltre ad avere il controllo manuale. Il ricevitore usa un convertitore A/D con velocità di campionamento a 48 o a 96 KHz. FLEX-3000 utilizza lo stesso PA realizzato come quello montato nel FLEX-5000, quindi non è stato sviluppato un nuovo amplificatore di potenza da 100W, ma un collaudato progetto già ben provato. Se necessario, la radio è in grado di esergure, manualmente, un auto-test di controllo o di calibrazione.<br />
FLEX-3000, come in tutte le versioni del FLEX-5000, viene fornito con software FlexRadio PowerSDR V.1.x, che controlla tutti i comandi DSP, la modulazione, la demodulazione, il filtraggio e tutte le funzioni di controllo per la radio, oltre a gestire l&#8217;analizzatore di spettro (Panadapter display) di classe da laboratorio di misura. FLEX-3000 utilizza la stessa interfaccia Firewire® 1394 per il PC o per Laptop, come il Fx-5000.<br />
Prezzo (Usa) introduttivo di $ 1.499,00 (List 1.599,00) The FLEX-3000 is on sale *<strong>now</strong>* and is scheduled for delivery in January 2009.<br />
Link to: <a href="http://www.flex-radio.com/Default.aspx">FlexRadio Systems - Austin, TX USA</a></p>
<p><span style="color: #00ff00;">NOTE:</span> The IMD DR3 and IP3 measurements are currently being performed and will be published shortl;<br />
<span style="color: #00ff00;">NOTE:</span> The depictions of the FLEX-3000 shown above are of the current prototype unit;</p>
<p><strong>ENG:</strong> <em>The FLEX-3000 is a &#8220;direct decedent&#8221; of the FLEX-5000™, the full-featured, world class software defined radio transceiver for amateur use. The FLEX-3000 utilizes individually optimized bandpass filters to cover both the ham bands (Optimized 5th order bandpass filters for each ham band except for 160m which has a 7th order filter) and general coverage reception (low pass filter).The FLEX-3000 comes with an antenna tuning unit (ATU) as a standard feature, all ATU functions are automatically controlled using FlexRadio PowerSDR, as well as having manual control. Rx A/D converters running at either 48 or 96 KHz sampling . The FLEX-3000 uses the same PA design as the one found in the FLEX-5000, so this is not a newly developed RF power amplifier 100W, but uses a well-vetted design that is tried and true. The radio is capable of manually testing and calibrating itself if necessary. The FLEX-3000, like the world-class performer FLEX-5000, comes with FlexRadio PowerSDR 1.x software that performs all DSP, modulation, demodulation, filtering and control functions for the radio in addition to the lab grade spectrum analyzer Panadapter display. The FLEX-3000 uses the same Firewire® control and interface circuitry as the Fx-5000<br />
</em>Introductory price $1499,00 The FLEX-3000 is on sale *<strong>now</strong>* and is scheduled for delivery in January 2009</p>
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		<item>
		<title>Laura Pausini: Invece Nò, ascolta il nuovo singolo dal Corriere Della Sera.it</title>
		<link>http://www.radiocronache.com/2008/10/laura-pausini-invece-no-ascolta-su-corriere-it/</link>
		<comments>http://www.radiocronache.com/2008/10/laura-pausini-invece-no-ascolta-su-corriere-it/#comments</comments>
		<pubDate>Thu, 16 Oct 2008 08:20:11 +0000</pubDate>
		<dc:creator>lidio</dc:creator>
		
		<category><![CDATA[Zibaldone]]></category>

		<category><![CDATA[Anteprima]]></category>

		<category><![CDATA[Download]]></category>

		<category><![CDATA[Images]]></category>

		<category><![CDATA[Immagini]]></category>

		<category><![CDATA[Invece nò]]></category>

		<category><![CDATA[Musica]]></category>

		<guid isPermaLink="false">http://www.radiocronache.com/?p=577</guid>
		<description><![CDATA[
Laura Pausini Invece nò.   Ascolta il nuovo singolo  dal Corriere Della Sera.it e guarda il video anche esso in esclusiva presentato dal Corriere con l&#8217;eccellente anteprima; Il bel brano &#8220;Invece nò&#8221; ha precededuto il lancio del nuovo album &#8220;Primavera in Anticipo&#8221; che è uscito il 14 novembre,  dopo quattro anni dal precedente suo disco di inediti &#8220;Resta in [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.radiocronache.com/wp-content/uploads/2008/10/laura-pausini-invece-no.jpg"><img class="alignnone size-medium wp-image-579" title="laura-pausini-invece-no" src="http://www.radiocronache.com/wp-content/uploads/2008/10/laura-pausini-invece-no-300x202.jpg" alt="" width="300" height="202" /></a></p>
<p><strong>Laura Pausini</strong> Invece nò.   Ascolta il nuovo singolo  dal Corriere Della Sera.it e guarda il video anche esso in esclusiva presentato dal Corriere con l&#8217;eccellente anteprima; Il bel brano &#8220;Invece nò&#8221; ha precededuto il lancio del nuovo album &#8220;Primavera in Anticipo&#8221; che è uscito il 14 novembre,  dopo quattro anni dal precedente suo disco di inediti &#8220;Resta in Ascolto&#8221;.  <br />
Ascolta &#8220;<strong>Invece nò</strong>&#8221; un brano di 3.5 minuti o vedi il Videoclip con il Link &#8220;Ascolta&#8221; posto appena qui sotto. <span style="color: #ff0000;">Note</span>: Clik to  the image up for larger;</p>
<p><a href="http://www.corriere.it/download_streaming/pausini/pausini.shtml"><img class="alignnone size-full wp-image-582" title="link" src="http://www.radiocronache.com/wp-content/uploads/2008/10/link.jpg" alt="" width="230" height="56" /></a> <br />
L&#8217;artista ha scritto la musica con Paolo Carta, invece il testo elaborato con Niccoloò Agliardi è stato ispirato dalla scomparsa della nonna di Laura. Il nuovo album comprende 14 canzoni e è interessante il duetto con l&#8217;inglese James Blunt.<br />
Link to: <a href="http://www.corriere.it/">Corriere della Sera News </a>- Credit Corriere 2008 © Rcs Quotidiani Spa</p>
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