This page describes the IBM SMS card "CA", and is part of the SMS card database.

Function of the card:
CTRL Three-Way NPN Translating Circuits
Ctrl - "p" type

Complemented Transistor Resistor Logic (CTRL) is IBM's term for a form of resistor-transistor logic.

Part number:371026

Used in:IBM 1410

Symbol:+A

+A: Positive AND. in-phase output is positive only when all inputs are positive. Out-of-phase output is negative for the above condition.

References:
IBM Standard Modular System, Component Circuits, p208.
1410_SMS_VOL_1.pdf/1410_SMS_VOL_2.pdf, p2052.
This page created by Ken Shirriff, 2015.

The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Images courtesy of Randall Neff. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.

Creation time: Tue Mar 03 23:40:32 2015.