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Power supply protection

power supply power supply Power supply protection using MJ2955, 2N6049, MC7800

Static Voltage Stabilizer circuit

Regulator Negative Bias Supply 424V to 600V DC, -42V DC

Audio systems

7.5w Audio systems Circuit using AN7108 R1,4 …….. 330 ohm R2,5 …….. 5K6 R3,6 …….. 180K VR ………. 5K C1,3,5,7 …. 1nF C2,6 …….. 10uF/10V C4,8 …….. 22nF C9 ………. 100uF/10V C10,11,15 … 47uF/10V C16,17 …… 22nF IC1 ……… AN7108 7.5w Audio systems Circuit using AN7108

low pass audio filter circuit

low pass audio filter circuit low pass audio filter circuit low pass audio filter circuit

Audio level meter

audio vu meter Audio level meter using BC107 Audio level meter using BC107

PIC16F84 circuit , for LCD Nokia

PIC16F84 circuit , for LCD Nokia 3510i

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