I4FAF HOMEBREW GALLERY
HF TRX - ham bands only | HF TRX with gen.cov. RX | SRC Front-End | SRC01 Front-End |
with 28/144 MHz transvert | synthesized, 1 IF upconv. | pb filters simplified | pb filters Butterworth, pream |
SRC02 Front-end | RX IF AGC high gain | ||
Cauer pbf, preampl.,var att. | Butterworth and Cauer vers. | our try about W7AAZ design | CDG2000DX - TRX latest photo |
HF really Linear Amplifier | CDG2000 200W - 48V Linear Ampli. | ||
with Mosfets vs. Transistors | with Tetrode Tubes and Mosfet Amplifier |
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Now as Spectrum Analyser with tracking generator MARCONI 2380/2382
Last update Nov 4, 2012.