185 (NORD-1 card)

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185 Line driver/receiver is a card that is used in several places in the NORD-1 I/O crates. It is a differential line driver / receiver.

Introduction

This card is used as a line driver or receiver for differential signals to external devices, like SMD data or control. The card is made in the standard NORD-1 card format.

It is documented in drawing 2A85.[1]

Switches and indicators

There are no switches or indicators on this board.

BOM

This list contains the logic circuits used, passive components are not listed.

  • 2 x 7437N Quad 2-input NAND buffers
  • 9 x 75107 (75108) Dual line receivers
  • 9 x 75109 (75110) Dual line drivers

Reference

  1. HARDWARE MANUAL NORD 1