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Re: Does the QMX need a mic preamp? #qmx #QMXplus #SSB Firmware beta 1_01_003 release #qmx #QMXplus #ssb

 

Mel,
The MAX9814 tries to draw 3mA so it pulls the output of the QMX to near ground since 3mAx2.2k=6.6V when only 3.3 v is available
Gary
W9TD
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