155-0137-00

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155-0137-00 in P6451 probe

The Tektronix 155-0137-00 (H493) is a Tek-made custom pre-amp/comparator hybrid in a ceramic package.

Channel equivalent circuit (click to enlarge)

It contains five comparators with FET inputs and differential ECL outputs that can drive terminated 100 Ω lines. The instrument input would contain differential ECL receivers like the 10115 or 10216.

Used in

Datasheet