Hi,
In the case of these transmitter modules, I've gone from previously creating a simple Fox Hunt Transmitter which worked without issue, to trying to build a small, portable VHF Repeater which is being quite problematic due to its complexity
- Is this a full duplex repeater?
- What are your Tx and Rx frequencies.
- If it is in the 2m band then the standard Tx/Rx separation is 600kHz, what are you using?
- How do you aim to prevent desensitization?
- Have you got any bandwidth filtering on the AUDIO?
Tom... 