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The Tektronix PS 503A Triple Output Power Supply Plug-In provides a dual - 20 to 0 and 0 to + 20 volt variable supply plus a 5 volt 1 A independent supply. And you can vary its - 20 and +20 volt supplies in a tracked mode, or set each individually. In the tracking mode, varying the plus and minus supplies in proportion to the voltage ratio set on their individual controls, is a simple, one-knob operation. In the nontracking mode, you can set each supply independently to any voltage - from 0 to 20 V. Output Voltage/Current #1: +5 V at 1 A. Output Voltage/Current #2: 0 to +20 V (1 amp max.). Output Voltage/Current #3: 0 to -20 V (1 amp max.). Current #2 or #3 1A in high-power compartment of TM504 or TM506 or 400 mA in any standard mainframe compartment. Outputs can be varied independently or at a constant ratio. Tracking Mode Offset Error: If the two supplies are set independently to any given vo ltage ratio and then varied by use of the VOLTS DUAL TRACKING control, the two supplies will maintain the same voltage ratio as initially set within ±50 mV. Current Limit: Adjustable from less than 100 mA to 1 A (high-power compartment) or less than 40 mA to 400 mA (standard compartment) on each supply. Load Regulation: Within 3 mV for 1 A change (highpower compartment) or 1 mV for 400 mA change (standard compartment). Ripple and Noise: 3 mV p-p or less at 1 A load (high-power compartment). 0.5 mV p-p or less at 400 mA load (standard compartment). Indicators: Individual voltage indi cators and current limiting indicators for both + and - supplies. Non-high-power compartment (400 mA) indicator. Requires TM-Series Power Module
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