[Milsurplus] AN/GRC-106

[Peter Gottlieb]

Audible noise usually comes from the magnetics.



On 8/5/2017 2:30 PM, Ray Fantini wrote:
>
> Have a GRC-106 amplifier that’s producing an unusually high amount of inverter 
> noise. Other then that it appears to work ok except maybe a little light on 
> power but the HV, drive and all the other voltages are right center of the scale.
>
> I removed the front and am looking at the inverter circuit but don’t see 
> anything that looks bad. Anyone got any ideas? Just a note, the inverter noise 
> is physical and not in the HV.
>
> Ray F/KA3EKH
>
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