3 WAYS MICROPHONE SWITCH FOR IC706
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A simple switch,that can be used to select up to 3 different audio sources to be used as microphone for the IC 706 MKIIg.
For example,it could be used to switch between a digital modes interface,a desk microphone and an headset,just by flipping a switch,without unplugging and plugging in any cable.
If only 2 inputs are required,the circuit can be built accordingly,omitting the 3rd RJ45 socket and choosing a different rotary switch.
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Copyright 2007 by IW7EHC all rights reserved