Please visit  my  faster, wider, more updated site, click here:  http://xoomer.virgilio.it/sergiocartoceti/
(Cliccare qui sopra per altro sito pił veloce e pił ampio)

 


 		 Some Amateur Radio Technical
 "hot" news links: 
>I0CG  Giuliano and I0GLU  Giancarlo 200MHz AD9951 DDS Phase noise < 120 dBc/Hz @ 1KHz offset       (New)  
>IV3DDM tested our "SRC" Cauer pass band filter HF Front END   with all 9 bands real spectrum analyser photos and more  (New)  
>see  JA7UDE site for news on new japanese equipment
>DK9VZ about optimal transceiver (see tables)  
>Radio used in Contest Environment Dayton '04 Presentation     
>Icom   new  High Grade HF  transceiver "IC-7800".  
 >download IC-7800 schematics from AB4OJ/VA7OJ site
>RF Power Devices in IC-7800 (my notes in VA7OJ page)
>IC-7800 ARRL Product Review  Aug '04 QST (members only)
>Ten-Tec new High Grade HF transceiver "ORION"
>download Orion schematics from Ten-Tec (zipped .pdf files)
>ARRL ORION January 2004 QST Product Review (for ARRL Members only)  and Expanded Test-Results Report (26 pages)
>N1EU audio files TT-ORION Stereo Diversity Reception and weak signal reception comparison Orion vs. FT1000D
>I-Q VFO (DDS AD9854) by Craig AA0ZZ, Bruce AA0ED)   
>Vector Network Analyser by N2PK             W8WWV (VNA) site
>TAPR VNA 200 KHz-100 MHz featured in July/Aug 04 QEX
                Click here for more previous links
>RF Filter Design and Analisys by AADE now FREE (9.5MB)
 >ELSIE RF Filter Design by WB6BLD (FREE Win Vers. 5 MB)
>"A High-Level Accessory Front End for the HF Amateur Bands" by Sergio Cartoceti, IK4AUY in QEX March/April 2003  and  May/June 2003 feedbackl  
>"A Doubly Balanced "H-mode" mixer for HF"  by Sergio Cartoceti, IK4AUY, in July-August 2004 QEX  (ARRL) Magazine, pages 23-32        (*** N e w ***)             
>Mosfets versus Transistors in RF Linear Amplifiers  
>See Homebrew Gallery  >>HF Linear Amplifiers page
>>>Articles
>DXSCAPE DX spot    >DX Summit OH2AQ last 25 spots
 >>>What's New on this Web Site

Technical topics: home made projects by I4FAF
     

 Cauer HF band-pass filter vs. Butterworth  I4FAF home made HF trx, front-end, lin.ampl.

DX and Contest.  IK4AUY Special Contest Call:  IR4B

DX-PEDITIONS and operating at IY4FGM 25-26/09-2004 XX HF-DX G.Marconi Meeting in Bologna
MORE photos  XVIII HF-DX
 G. MARCONI Meeting 28 - 29 sept. 2002 in BOLOGNA - ITALY 
XIX   HF-DX G. Marconi Meeting in BOLOGNA Resume (Italian) -  Sunto del Convegno 2003
Photos 2003 by Mediterraneo DX Club  -  click here
Mediterraneo DX Club  Home page       -  click here
IMD International Marconi Day link to GB4IMD Worked  Antarctic Bases Award directory
presented by I8YRK and IZ8BRI in Bologna '02.

 

 ARI  Contest Official Page

 

CLICK HERE TO ENTER -ENGLISH-
CLICCA QUI PER SITO -ITALIANO-

 

 IK4AUY, Sergio,  and  I4FAF,   Romano  personal WEB SITE.
 Already available SEVEN TECHNICAL ARTICLES related to AMATEUR RADIO HOBBY.
 PLEASE VISIT THIS SITE AGAIN TO CHECK FOR NEW ONEs.   Best 73.


 

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(Proprieta' riservata per le nostre foto ed articoli).
Web site master and design by Sergio Cartoceti, IK4AUY
Sito personale radioamatoriale,  tecnica-autocostruzione-sperimentazione nel campo della radio
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Discaimer: Non ci assumiamo alcuna responsabilitą circa quanto proposto e tramite i  link ad altri siti
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