QEX March/April 2003 issue Article Title:
"A High-Level Accessory Front End for the HF Amateur Bands" (pages 45 to
56)
(by Sergio Cartoceti, IK4AUY, 2003)
Further Info, Photos,
Performances Data, 9 band BCD autoswitch and
QEX Article Errata Corrige (click on the green links below)
Come back again to check for updates
Photos FROM HOMEBREW GALLERY by I4FAF about earlier versions. The final version presented in QEX is named SRC-02. |
SRC Front-End | SRC01 Front-End | SRC02 Front-end |
(pb filters simplified) | (pb filters Butterworth, preampl) | (Cauer pbf, preampl.,var att.) |
Where to find parts HELP | 9 band Autobandswitch BCD data | |
(Butterworth and Cauer vers) | (relays,pin diodes,transistor,caps) | (circuit and board .zip file,3 .pdf files) |
Preampl. Performances data | QEX March/April 2003 article Errata Corrige | Our project overview by IV3DDM with band by band spectrum analyser - tracking generator pb filter curves |
More circuit board templates about QEX March/April 2003 article project are available, they are many and if really interested inquiry for a CD with cost coverage. |
Last update: Nov 24, 2009