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.
| Updated version of article | PCB component placement | PCB tracking (reversed) |
| Parts List | PCB tracking | PCB bottom component placement |
| Schematic | PCB Wire Links |
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.