BINGO! Does the right angle adapter have Amphenol or a MIL-spec part
number stamped into it? If it doesn't, it's very likely to be JUNK. In
Amphenol or MIL-spec connectors, the center conductor is robust; in
those junk connectors, it's a tiny spring.
73, Jim K9YC
On 10/21/2019 3:37 PM, ed_richardson@shaw.ca wrote:
The one exception was I used a right angle adapter on the amplifier input. I removed
that when I switched in the other amp and hadn’t bothered to reinstalled it
With that connector out of circuit the oscillations did not occur. I reinstalled the
adapter and the problem returns. I can not get the problem to resurface by manhandling
the cables or connectors.
So possibly the adapter is the ingress point,
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