Special, bizzare relay
A special, bizzare relay… K1 in the service manual. Probably extra high impedance or some such.
HP3455A teardown – part 3 – The analog part and the miscellany
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- HP3455A teardown – part 3 – The analog part and the miscellany
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- HP3455A teardown – part 1 – calibration module and the backside
- HP3455A teardown – part 2 – The Logic! and the Display
- HP3455A teardown – part 3 – The analog part and the miscellany
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