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C1- Ceramic capacitor 0.1 microFarad C2-Electrolytic capacitor 10-microFarad R1-reference resistor 100 Ohms R2-adjusting resistor 578 (=510+68) ,510,377 (=330+47) , 200 Ohm (+/- 5%) Vout-8.5V,7.6V,6V,3.6V (+/- 10%), respectively
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C1- Ceramic capacitor 0.1 microFarad C2-Electrolytic capacitor 10-microFarad R1-reference resistor 100 Ohms R2-adjusting resistor 578 (=510+68) ,510,377(=330+47), 200 Ohm (+/- 5%) Vout-8.5V,7.6V,6V,3.6V (+/- 10%), respectively Adjustable Voltage Regulator e.g., LM317X (A or T from National Semiconductor) T-220-3pin case Fixed-voltage output e.g., MC7806 (6 V out from ON Semiconductor ) T-220 3-pin case
V out in V C 2 Fixed-output Voltage regulator 12 V (+) C 1 load
Adjustable Voltage Regulator 12 V (+) C2 R1 C1 load R2