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Circuit diagram FM OSCILLATOR WITH BLY87

Circuit diagram FM OSCILLATOR WITH BLY87 Component list of the FM Oscillator with the BF900 Resistors: R1 : 47k, 1/8 W R2 : 47k, 1/8 W R3 : 47k, 1/8 W R4 : 100E, 1/8 W R5 : 220k, 1/8 W R6 : 100k, 1/8 W R7 : 150E, 1/8 W R8 : 10k, lin. […]

Circuit diagram 500mW FM PLL transmitter 88-108MHz using LMX3206 – PIC16F870

500mW PLL FM transmitter 88-108MHz This PLL transmitter is controlled and the frequency is very stable and can be programmed digitally. Transmitter will work 88-108 MHz and output power up to 500mW. With a small change can set the frequency of 50-150 MHz. The output power is often set to several watts with transistors. So […]

IR Sensor Module

IR Sensor Module for human body detection IR Sensor Module for human body detection

Power Supply Television

Power Supply Television Switching Power Supply Circuit for Television using 7805, 7808, KA431A, SC2236, 1N4002, KTA1023, 1N4148, 2SC2335Y, 2SA1015Y, 2SC1815Y

Earphone portable Circuit

Earphone portable Circuit using 1 transistor HEP 230 Portable 3v Headphone Amplifier

Best portable headphone amp circuit

Best portable headphone amp circuit using LM833 or NE5532 High impedance headphones using : P1          22K R1         560R R2,R3 10K R4        12K R5,R6 2R2 R7        22R C1                   1µF 63V C2,C3,C4     100µF 25V C5                  22pF 63V C6                  22µF 25V IC1                LM833 or NE5532 Q1,Q3           BC337 Q2,Q4           BC327 Power supply parts: R8                                  2K2 C7,C8                            2200µF 25V D1                                   […]

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