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Page: Receive audio level
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Building the Arduino MMDVM in console Burst timing being outside the acceptance window of the repeater Home MMDVM Calibration MMDVM Transmit Level adjust MMDVM host communication protocol Receive audio level TXDelay and problems to wake up repeater
1 Receive audio level
Steve Zingman edited this page 2017-02-14 10:20:07 -05:00

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