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Archives for September, 2013

Colour Decoder circuit

Colour Decoder circuit Multistandard Colour Decoder With NEgative Colour Difference output Signals using TDA4651

CB RADIO or 80 METER HAM RADIO circuit diagram

CB RADIO or 80 METER HAM RADIO circuit diagram using TR 2N2222, C460, C372,  C1162,  C1173,  C1226, D476,  D68, D67, C901

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 […]

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 […]

OP AMP AUDIO circuit using LM833DG

OP AMP AUDIO circuit using LM833DG OP AMP AUDIO circuit, DUAL LOW NOISE using LM833DG AMP, AUDIO, DUAL LOW NOISE, Op-Amp Audio Amplifier, Op amp circuit, Best Audio Op-Amps Circuit, Best Audio Circuit, pre amplificador audio op amp, Simple IC Op Amp Circuit using LM833DG Channels : 2, Output Power : 500mW, Supply Voltage Range : […]

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