Re: Need to replace my ccd hybrid chip of my 2430A oscilloscope

Bruce Atwood

Please check that the clocks and bias voltages for the CCDs are clean and correct. You could have a problem with a clock (bad amplitude or timing) or a bias voltage (bad value or noise) that keeps one otherwise good chip from working correctly. Unlike (most) logic chips CCDs, which are mixed analog/digital devices, are not 100% interchangeable. After years of tweaking CCDs from Tektronix, and many other manufacturer's (for telescopes not oscilloscopes) I've found that each one has its own personality.
Good luck.

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