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Posts tagged BF990A

BF990A circuit and application Receiver tube Radio

BF990A circuit and application Receiver tube Radio vcc 9v

Best car audio receiver

Best car audio receiver Receiver tube Radio circuit using BF990A

Servo controller circuit

Rc servo controller circuit using PIC18F252

Segment Counter circuit

Segment Counter circuit 7 Segment LED Counter circuit Diagram using NE555, CD4033

Big voltus Electronics Project Design Schematics and circuit diagrams pmpo

Big voltus Electronics Project Design Schematics and circuit diagrams pmpo 5000 watts amplifier schematic

Portable guitar headphone circuit

Portable guitar headphone circuit I built a portable headphone amplifier for testing purposes Headphone amp circuit using : R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 =  BC239C Q2 […]

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