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Posts tagged ham

Transceiver Module

Audio video TV, Transceiver module circuit diagram using IC Aurel TX AV UHF and LM741 Part: R1 1 kΩ                   C1 10 µF 16V      D1 1N4007 R2 3.3 kΩ               C2 220 µF 16V     D2 1N4007 R3 1 kΩ                   C3 100 nF U1 Aurel TX AV UHF R4 22 kΩ C4 10 µF 16V […]

Power Supply Control

Power Supply Control using BC549, BC559, BD139

Simple Flasher Circuit Using Relay

Simple Flasher Circuit Using Relay, 40104, 45104, 74C14, 2N7000

Transformerless power supply design

Transformerless power supply design SMPS +12v -12v or +15v 25A Transformerless power supply design using TR / IC Transformerless power supply design Transformerless power supply design SMPS +12v -12v or +15v 25A

25W Audio Amplifier with Tube schematic diagram

25W Audio Amplifier with Tube schematic diagram 25W Audio Amplifier with Tube schematic diagram Here the 25 watt power audio amplifier circuit powered using tube circuit. The tube TR will amplify the input about 20 watt, dual Trafo should be gain up to 40w watt. You can use wide voltage range 12v – 20V to […]

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