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Sound Oscillator Circuit

Sound Oscillator Circuit for testing using BC559, BC549

Audio Oscillator Schematic diagram

Audio Oscillator Schematic diagram using BC549, BC559

100w power amp circuit using WE 300B

100w power amp circuit using WE 300B 100W power circuit

Bootstrap AUDIO circuit using transistor

Bootstrap AUDIO circuit AND LAYOUT Bootstrap driver Micro circuit using TIP3055 tip2955 TIP42 tip41 MJE340 What is bootstrapping circuit? Within an integrated circuit a bootstrap method is used to allow internal address and clock distribution lines to have an increased voltage swing. Tops bootstrap circuit uses a coupling capacitor, formed from the gate/source capacitance of […]

Beeper alarm clock circuit with radio

Beeper alarm clock circuit with radio Beeper alarm clock circuit with radio

Resolve a cramped raster on SONY TV KV21GPX?

Ouman asked: I have replaced the vertical deflection IC and checked all possible capacitors and resistors. Still no luck. No circuit diagram. American origin. Thanks Pete. I do remove caps and test with proper cap tester. Will follow your advice. Middle to top cramp with bit of a foldover on top. Frustrating! I keep grinding […]

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