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Reference voltage source using complementary transistors

2016-05-09 07:21  
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Reference voltage source using complementary transistors
Reference voltage source using complementary transistors
The characteristic of this circuit is shown in the following table ( RL=68kΩ) reference voltage source adopts BJT adopts complementray transistor voltage-regulation coefficient △U2/U1 ( enviromental termeprature θu=20 ℃) 1.2×10-4 4×10-5 variation of voltage reference △U2[when △U1/U1=(20±10)% and θu=20℃] 520μV 180μV variation of voltage reference when the temperature rise from 20℃ to 100℃ 9.6mV 10.8mV output resistor <15Ω input rated voltage U1 22V 22V