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Yep, my oscillator is now the problem


Since the HP 331 doesn't have a built-in oscillator, I've been using my old signal generator. According to the HP, it has about 0.04% distortion. I had wondered about filtering it. Seems like a simple passive bandpass could work. I haven't done the calcs yet to figure out component values, but I might get a chance to do that this weekend.

The spectrum analyzer should arrive on Wednesday, so I will be able to see what the distortion actually looks like in another week or so.

Peter


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