This board is used as the disk head preamplifier in the DF32 disk drive. The amplifier gain is adjustable from 1 to 10 and has a bandwidth of 200 kHz to 1 MHz.
Schematic of board as a scanned PDF file.
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Feel free to contact me, David Gesswein djg@pdp8online.com with any questions, comments on the web site, or if you have related equipment, documentation, software etc. you are willing to part with. I am interested in anything PDP-8 related, computers, peripherals used with them, DEC or third party, or documentation.
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