We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
What is the RX output level from the receiver? You could be overloading the first opamp. For high output level receivers,
(higher than 2.5Vpp) place a voltage divider between the radio and interface. 10K series and 1K resistor to ground is fine.
EB4FBZ