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Early scopes had the horizontal sweep “calibrated” in frequency instead of time. With a more modern scope, you would measure about 63.5 microseconds for one complete horizontal cycle. The “12 pulses” might be a miss print, I think it should be “2 pulses”
What scope do you have?
jr
The one I have from the 1077 era is an HP 54600B 100MHz
09-12-2023, 07:56 PM
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