Artifact Details

Title

Dual D.C. Sense Amplifier 4551B system building block

Catalog Number

102716768

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass.

Identifying Numbers

Model number 4551B Printed on the solder side at the insertion end
Part number 4551 Stamped into the face of the aluminum frame
Serial number 0179125 Stamped into the side of the aluminum frame

Dimensions

overall: 1/2 in x 4 1/2 in x 7 in

Description

The board is surrounded by an aluminum frame and blue plastic 22 pin male connector. One side of the board is covered with various active and passive components. There are two inspection stamps in the top corner.

Category

Component/module