Function of the card:
Complementary emitter follower
Comp emitter follower
Complementry emitter follower
Part number:372244
Customer Eng reference number:734338
PCB number:484995
Used in:IBM 1311 Disk,IBM 1443 Printer,IBM 2821 Control Unit
Transistor type:030 278
References:
IBM 1311 ILD, p95.
IBM 1443 ALD, p86.
IBM 2821 CCD, p33.
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.