Simple condenser mic preamp circuit using 2N3904
If you want to learn about microphone or little use. This is a simple condenser MIC preamp circuit diagram. It changes the sound to electrical signals before sending to a…
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April 12, 2017
Simple constant voltage circuit using small transistors
If you like to learn about simple regulator circuit like me. I am showing you, tiny constant voltage circuit using two small transistors. It special because..
March 23, 2017
Schematic of very Simple preamplifiers using 2N3904
Very simple amplifier circuit using transistor 2N3904
It is Very simple amplifier circuit using transistor 2N3904 only, low noise than normal IC circuits, low distortion,frequency response: 20 Hz to 20 kHz.
July 3, 2014