R288

The Tektronix R288 Multiplexer Master Control Unit contains the circuitry of a 287, plus control circuitry to multiplex the outputs of multiple 287's.

Tektronix R288
Multiplexer for 287 R288 Produced from 1970 to (?) Manuals Tektronix 286/287/R288 Manual (PDF) (All manuals in PDF format and OCRed unless noted otherwise)

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R288
System Block Diagram