Hi,
> Here is a good one for you. Kirby reports that his new Emtron
> DX3
> (single GU87B) wipes out his DSL modem. He says that the DSL modem
> goes off line each, and every, time that the DX3 is turned "on" and
> comes back on line when the amp is turned off. The amp is simply
> turned "ON", idling, no drive applied.
>
> My initial thought is that a spurious signal is being
> generated in
> one of the regulator circuits (bias, or screen), or perhaps, the bias
> switching (cut off) circuit. What do you think? . 73 de K5JV
Curious. I would suspect the "soft-start" circuit in the Emtron as
the culprit. It's the first place I would look, anyhow. It's a
triac switching gizmo hooked up directly to the mains power line. A
way to test my hypothesis is to remove (temporarily) Emtron's circuit
and substitute an old fashioned resistor switching step start. If
the problem goes away, the hypothesis was correct, and a solution has
been found. If the problem doesn't go away, then... ?
73,
George T. Daughters, K6GT
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