Re: 8591E CAL AMPTD failure
Hi Andrew ? I redid the alignment of the crystal filters of my 8591A. I used a 10nF capacitor and a 91 Ohm surface mount resistor to build the 3 CRYSTAL SHORT. Here are the results obtained; it might be useful for comparison. I know you have the 8591E version, but it's the same procedure. ? Yves ? 


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