This circuit is perfect pre-amp to amplify the signal from a mono microphone. It is based on the use of a type integrated circuit TL062, a little less known perhaps…
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140W ( PEP ) Amateur Radio Linier Amplifier (2 -30 Mhz)
This amateur radio amplifier circuit this inexpensive and easy to build. This circuit uses two MRF454 NPN transistors. Specified at 80 W power output-with 5 W of input drive, 30…
160 W (PEP) Broadband Linier Amplifier
This is another circuit RF amplifier that I took from the Encyclopedia of electronic circuit Volume I. The circuit is quite hard to build since the components is complex and…
Low Voltage Bridge Audio Amplifier
Low voltage bridge audio amplifier based on op amp IC LM386 (Low Voltage Audio Power Amplifier). Application of this circuit include AM-FM radio amplifiers, Portable tape player amplifiers, intercoms, TV…
Max 1W / 8 Ohms Amplifier based on LM386 with Input for Guitar
This 1 watt amp is very easy to built in very small dimensions, working with only single 9V battery, and is based on amplifier IC type LM386, its capable to…
RIAA Stereo Preamplifier Classic Version based on NE5532
…Impedance matching Left and right inputs performed well on a 47kohm resistor (R2 and R7) that acts as a load resistance for the turntable. Amplification and RIAA correction Amplification and…
Preamplifier for magnetic phono cartridges
This amplifier circuit is intended to be added to the preamplifier which does not have a phono input. Such a phono input is required for normal record players with a…
5 Watt Audio Amplifier based LA4460
This 5 W audio power amplifier is built for general purpose and can drive speakers approximately 8 to 12 inches. This 5W power amplifier circuit is based on the Sanyo…
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