Dual D.C. Sense Amplifier 4551B system building block
Catalog Number
102716718
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 of the module at the insertion end
Other number
4551
Stamped into the face of the aluminum frame
Serial number
0166321
Stamped into the side of the aluminum frame
Dimensions
overall: 1/2 in x 4 1/2 in x 7 in
Description
The module consists of a board with various active and passive components surrounded by an aluminum frame and a 22 pin male connector. On the solder side there is a lettered grid running down the side, which reads A-Z.
