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Posts tagged amplifier tube

7W differential amplifier circuit

7W differential amplifier circuit using MB3731

750W sound amplifier circuit

sound amplifier circuit using TIP3055, BD140, BD139, BC546 D1 D2 D3  1N4148

Power Supply Control

Power Supply Control Transistor using BC549, BC559, BD139

PC serial port RS-232 pin out and wiring

PC serial port RS-232 pin out and wiring

USB to Serial Converter

Making USB to Serial Converter using  Tr BC557 and BC547

Booster Audio mixer circuit diagram

  Booster Audio mixer circuit diagram using KA22242 DUAL EQUALIZER PRE-AMPLIFIER WITH ALC The KA22242 is a monolithic integrated circuit consist-ing of a dual equalizer amplifier with ALC and Mute function, and it is suitable for stereo radio cassette tape recorders. APPLICATION INFORMATION DESCRIPTION OF KA22242 The KA22242 has a simple package, 10-pin and built-in […]

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