[Heathkit] HW-101 het. osc. problem on 20m?
Bwana Bob
wb2vuf at gti.net
Sun Jul 12 22:09:24 EDT 2009
It sounds more like a neutralization problem to me, possibly driver
neutralization. Does the driver tune peak smoothly or is it ragged?
73,
Bob WB2VUF
Alex wrote:
> Hi there,
>
> An HW-101 I restored a few years back is giving me some troubles on 20m SSB.
> When I key the mic, I get an almost 100W carrier on LSB and 50W on USB. Of
> course there should be no carrier at all. This problem occurs only on 20
> meters (on 10 and 80 there is also a trace of a carrier but not too
> bad...yet). The problem does not occur with the 400 Hz CW filter switched
> in. Could this be caused by a failing 20m heterodyne oscillator crystal?
>
> I appreciate any hint you can provide me with.
>
> 73,
> --Alex KR1ST
> http://www.kr1st.com
> http://www.airlinkexpress.org
>
>
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