[Boatanchors] Looking for schematic PS-1

[Receiver]

Hello,

I'm looking for a schematic of a Northeast Electronics of Concord, NH
Model PS-1, 48 volt DC portable power supply.  It's designed to furnish 
750Ma max of regulated - 48VDC as an adjunct to a lot of their other test 
equipment.

This stuff was widely used by the Telecom industry and other utilities with 
communications departments.  The company was purchased by Northern Telecom 
Inc. (Now NORTEL Networks).  I had a few friends that worked for Northeast 
Electronics before they were absorbed by NTI.  Most of them are retired now. 
Most products were discontinued, but a few were sold to other companies.

There are several solid state devices with house numbers only and not too 
obvious to me as to their original characteristics were.

Any help would be much appreciated.

TIA, John, W4NET 


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