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Posts tagged UC1842

How to test flyback transformer tv

Flyback Regulator Circuit How to test flyback transformer tv using LM2577ADJ, LM385, 4N27 How to test flyback transformer tv, crt tv no power, horizontal ic function, how to repair crt tv pdf, crt tv power supply circuit diagram pdf, how to repair tv power supply board, universal power supply for crt tv, b+ voltage in […]

Phono preamp circuit

Good Phono preamp circuit using BD437, BD438

Audio Frequency Sensor Schematic

Audio Frequency Sensor Schematic using Transistor and IC  2N5086, LM3389 Audio Frequency Sensor Schematic Sensor noise for the safety of ultrasonic sensors for detecting the presence of noise in the capture tool for air propagation.

Differential Cascode circuit and driver

Differential Cascode circuit and driver

VU Meter using a lm3915 Circuit diagram

LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. VU meter uses just one IC and a very few number of external components. It displays the audio level in terms of 10 LEDs. The LM3915 is a […]

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