Re: 492P signal amplitude error and error 58


W1RS
 

I don't have a 492P, but while searching for a datasheet for some parts I have I saw that somebody was looking for an NEC mm765 RF amp that is used in this instrument. It is also known as upc1764A. If you find out that this might be the problem, I can supply you with NOS parts.

Good luck ,
Bob

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