0-15 Volt Tracking PS


Posted on Jul 19, 2012

The linear dual tracking power supply, shown in the schematic, provides 0-15 volts, at 1/4 amp, maximum, using a discrete transistor regulator with op-amp feedback to control the output voltage. The supply was constructed in 1975; the negative ouput voltage tracks the positive output voltage.


0-15 Volt Tracking PS
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With reference to the schematic, lamp, LP2, is a power-on indicator. There is no adjustable current limiter in this unit, although R1, D2, and D3 set the current limit to approximately 0.25 amps on the positive side, and R15, D9 and D10 set the current li




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