Yes, Rick, there is 4 volts on the antenna. This is also the case on the
IC-502. This is to allow the radio to drive an ICOM amp, which has to be
biased to take the drive. I had the 502 which used an IC-50L(I think the 2m
was a 20L). Anyway, you could block the DC with a low value (<2 to 5
pF)capacitor to the input of the transverter.Just a thought.
Joe W4AAB
Rick R writes:
> I have an IC-202, this is an older Icom 2m SSB rig, portable. I need a
> schematic if anyone has or knows where to get, and also need to know from
> anyone who has one, is there a 4V DC voltage on the antenna in rcv? I am
> measuring 4VDC on the antenna jack, and this prevents me from using the
> IC202 as an IF with one of my microwave transverters. Thanks in advance for
> any assistance.
> Rick, K1DS
>
>
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