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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. […]

3000W Inverter

3000W Inverter Parts list: R1=10Mohms R2=100ohms R3=1.2Kohms R4=560Kohms R5-6=2.2Kohms R7-8=56 ohms 5W CX=22pF trimmed capacitor C1-2=22pF ceramic C3=8.2nF 100V MKT c4=10uF 16V C5=47uF 16V C6=470nF 400V D1=5V6 0.4W D2-3=47V 1W Q1-2=BS170 Q3-4=BD139 Q5-6=BD249 IC1=4060 IC2=4013 IC3=4047 CR1=3.2768 MHZ crystal T1=220Vac/2X10V 2X2.2A F1=5A Fuse F2=0.25A Fuse L1=1H smoothing choke 1. Advanced Energy Flow Management for lowest […]

Digital clock circuit

Full mode 24 hour digital clock circuit R40102E

circuit for motor speed control

circuit for motor speed control DC motor speed controller circuit using KA22136 circuit for motor speed control circuit for motor speed control

Modified Electronics circuit power supplay

Further adjustments include a rectified and filtered heater supply to the triodes eliminating AC hum coupled to the signal path via parasitic wiring capacitances. A power transformer with a 350V-0-350V secondary supply an increased voltage supply to the output section with is then stepped down to the 5F6-A’s voltage supplies to the phase splitter, cathode […]

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