4 inputs D.C. sense amplifier 4552D system building block
Catalog Number
102629807
Type
Physical object
Description
The object has a green board surrounded by an aluminum frame and a blue plastic connector. One side of the board is covered in components, including resistors, transistors, diodes, capacitors, and two transformers. There is one inspection stamp toward the extraction end. There are also three inputs screwed to the frame at the extraction end. The solder side has a printed circuit with a grid lettered A-Z.
Date
1965 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Model number
4225 D
Printed on the solder side at the insertion end of the board