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The Tektronix H473  (P/N 155-0150-00) is a trigger detector hybrid integrated circuit. It incorporates a 203-0122-00 (M122) die implemented in the SHFIII process, and comes in a Hypcon package (apparently one of the earliest Tek circuits to use this package).

The H473 datasheet lists Walt Ainsworth as the designer of the hybrid. The M122B datasheet says the chip itself was designed by Art Metz and Walt Ainsworth.

From the M122B data sheet:

Input signal conditioning (ie, preamplification and source selection) is done external to the integrated circuit. Another integrated circuit. the M136 (155-0160-00), has been designed to accomplish this.


Used in

Some instruments using part 155-0150-00

Instrument Manufacturer Class Model Description Introduced
7104 Tektronix Oscilloscope 7104 1 GHz mainframe with MCP CRT 1978
7B10 Tektronix Plug-in 7B10 1 GHz timebase 1978
7B15 Tektronix Plug-in 7B15 1 GHz delaying timebase 1978
7B92A Tektronix Plug-in 7B92A 500 MHz dual timebase 1976
SCD1000 Tektronix Oscilloscope SCD1000 1 GHz transient digitizer 1990