Low impedance input preamplifier circuit using transistor
Make the easiest Low impedance input preamplifier circuit using transistor and a few components. With PCB layout and how to reduce hum and low noise output.
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May 29, 2020
Let’s try the 3 transistors Audio Amplifier circuits
Do you like a transistor? Today I am going to 3 transistors audio amplifier circuits. Why use transistors in the amplifier? Transistors are devices made of semiconductors. It has many…
February 22, 2020
Transistor stereo bass booster
This is a bass booster circuit that use transistors as base. It is designed to increase a low frequency of audio on cheaper than ICs or normally circuit.
August 21, 2019
100w amplifier circuit with PCB
This 100W amplifier circuit by transistors, but very well OCL amplifier schematic.Use transistor MJ15003,MJ15004 as main. Power supply +38V 0 -38V 3A. [...]
August 21, 2019
Simple transistor intercom circuit
See simple intercom circuit using transistors and a few parts. So easy build and cheaper than ICs. For a small home and learning.
August 20, 2019
The twin-T complementary amplifier circuit
The twin-T complementary amplifier circuit with filter selector
The filter circuit of this main circuit will sent to through to the signal that middle frequency. At the same time is attenuated the others frequency into input signal to…
August 17, 2018
4 transistor audio amplifier circuit
This is a 4 transistor audio amplifier circuit. Which is a 4-transistors complementary push-pull amplifier, that shows the basics of audio amplifier design.
April 18, 2018
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