As I recall, I used pin 7 for the mic ground and pin 8 for the PTT ground. In a brief test it worked ok into a dummy load. Is this not correct?
That is correct although with the K3/K3S since the Elecraft mic RFI change it should not matter (both pin 7 and pin 8 are connected to the "ground" foil on the front panel circuit board). Early K3 front panels included an RF choke in the mic *and* PTT returns which made the "pin 1 problem" much worse. With the RF choke removed (bypassed) the issue is significantly reduced but there may still be a problem if the overall station installation has any "RF on the coax." 73, ... Joe, W4TV On 2/12/2016 7:59 AM, [email protected] wrote:
This week I wired rewired my MicroHAM Micro2R cables for K3S's. As I recall, I used pin 7 for the mic ground and pin 8 for the PTT ground. In a brief test it worked ok into a dummy load. Is this not correct? John KK9A
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