155-0076-00: Difference between revisions
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The '''Tektronix 155-0076-00''' (M94) is a Tek-made input protection and probe logic | The '''Tektronix 155-0076-00''' (M94) is a Tek-made input protection and probe logic | ||
integrated circuit in a 16-pin [[minipac]] package, designed by [[John Addis]]. | integrated circuit in a 16-pin [[minipac]] package, designed by [[John Addis]]. | ||
The M94 has four subcircuits: | |||
* DC current sources for biasing | |||
* Decoder for the probe attenuation pin signal | |||
* RMS detector | |||
* Control logic and drivers for coil of relay that sets input impedance of scope | |||
==Biasing== | ==Biasing== | ||