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Description
Giddings & Lewis Electronics Servo Interface board, part number 501-03882, assembly 503092-00, Revision RC (May 1984). Features dual National Semiconductor S8512A high-current operational amplifiers in TO-3 packages with direct heat-sinking for robust servo drive output. Includes LM301 op-amps, precision 0.05% resistors, adjustable GAIN and BAL potentiometers, and comprehensive test points (COS, SIN, IND, RES, DRV CMD, FDBK 1/2, GND). Dual edge connectors (P1, P2) enable seamless integration into mid-1980s Giddings & Lewis CNC servo control architectures. Serial number 515003. Suitable as replacement or spare component for compatible systems. Removed unit, untested and uncertified. Verify compatibility with OEM specifications before installation.
Stock # 0226-452
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