I need help to find any good design for the 2m to 10.7MHz downconverter
which I'll try to use for presentation linear transverter.
While not 10.7 MHz you may find the circuit diagrams of the 145/29 MHz linear
transponders for the RS series of satellites of interest.
They are on the RadioSkaf
For a demonstration, the easiest route would be to modify a 2-meter
receiving downconverter from Down East Microwave or another supplier. Change
the crystal oscillator frequency and retune the IF output to 10.7 MHz. If
you have a choice of IF frequencies use 21.4 MHz as this would be closer to
- Original Message -
From: Andy Brian briaa...@gmail.com
To: AMSAT-BB amsat-bb@amsat.org
Sent: Friday, October 04, 2013 6:45 AM
Subject: [amsat-bb] 2m-- 10.7Mhz downconverter
Hi,
I need help to find any good design for the 2m to 10.7MHz downconverter
which I'll try to use for
