{"product_id":"giddings-lewis-electronics-servo-interface-board-501-03882","title":"Giddings \u0026 Lewis Electronics Servo Interface Board 501-03882","description":"\u003cp\u003eGiddings \u0026amp; Lewis Electronics Servo Interface board, part number 501-03882, assembly 503-03092-00, Revision RC (May 1984). Features dual National Semiconductor LH0101CK high-current operational amplifiers in TO-3 packages with direct heat-sinking, precision Bale RS-7 resistors (10Ω, 0.05%), and LM301 op-amps for servo drive output stage functionality. Includes adjustable GAIN and BAL trimmer potentiometers, comprehensive test points (COS, SIN, IND, RES, DRV CMD, FDBK 1, FDBK 2, GND), and dual edge connectors (MACH CONN, SERVO CHAN) for system integration. Serial number A15400. Designed as a per-axis servo channel interface module for mid-1980s Giddings \u0026amp; Lewis CNC control systems. Removed unit, untested. Verify compatibility with OEM documentation before installation.\u003c\/p\u003e\n\u003cp\u003eStock # 0226-451\u003c\/p\u003e","brand":"Giddings \u0026 Lewis Electronics","offers":[{"title":"Default Title","offer_id":49494495723760,"sku":"m00451","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/6648\/7280\/files\/451.webp?v=1775161877","url":"https:\/\/mroexchange.com\/products\/giddings-lewis-electronics-servo-interface-board-501-03882","provider":"MRO Exchange","version":"1.0","type":"link"}