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Posts tagged Modified

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 […]

stk Audio Amplifier scheme

stk Audio Amplifier scheme 30W Audio Amplifier Circuit using STK1030

Circuit diagram LM1881 video sync for tv and lcd monitor separator, a 74HC4066 as a simple analog switch

The chips include an ATmega88 as the main controller, an AD9280 ADC, an LM6134 high-speed quad op-amp, an LM1881 video sync separator, a 74HC4066 as a simple analog switch, and an RS-232-level converter. LM1881 Video sync separator extracts timing information including composite and vertical sync, burst/back porch timing, and odd/even field information from standard negative […]

audio power amplifier circuit

audio power amplifier circuit using uPC1185H2

Power Amplifier

Audio Power Amplifier using LM3886 Audio Power Amplifier using LM3886

Power Supply Circuit for Low Noise Audio

Power Supply Circuit for Low Noise Audio

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