HP 651A Test Osc.

ATUs, PSUs, Rotators, Test Equipment, components, etc
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W4YSP
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Joined: Mon Oct 05, 2020 9:24 am

HP 651A Test Osc.

Post by W4YSP »

I recently acquired this test oscillator and it functions only at the highest frequencies but the oscillator stops functioning at the lower frequencies. It seems to be related to stray capacitance in the circuit. I'm hoping to find a solution.
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