The CDG2000 IF unit
This is the IF unit that provides a constant
output IF signal for a 120 dB range of input signal. This material is designed
to support part 4 of the article in RadCom.
The following links provide constructional
data, performance information, schematics and PCB layouts.
Note that there are two wire links
that go diagonally across the board - these are shown separately on the PCB Wire Links diagram.
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Note that the article has been updated from V5 to V6 to correct a number of errors in the parts list. The parts list has also been updated.
This is a new PCB layout. Click HERE for the old one.