This circuit is perfect pre-amp to amplify the signal from a mono microphone. It is based on the use of […]
Amplifier Circuit Design
15W Headphone Bridge Amplifier
This receiver operates on the same principle as 40W / 2 ohm (24W / 4 ohms) bridge power amplifier. It […]
40W / 2 ohm (24W / 4 ohms) Bridge Power Amplifier (Cheaper Version)
It is possible to simplify the assembly to have a cheaper version of 40W / 2 ohm (24W / 4 […]
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 […]
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 […]
100W PEP 420-450Mhz PUSH-PULL LINIER AMPLIFIER
This is 100 watt linear amplifier and may be built using two MRF309 transistors in push-pull, requiring only 16 watts […]
40W / 2 ohm (24W / 4 ohms) bridge power amplifier
This bridge power amplifier, without great pretensions, is simple to perform, and works with a single power supply of 18 […]
Electret Microphone Pre-amp based NE5532
The mic preamplifier described here is designed to connect a small electret microphone. The Electret microphone pre amp scheme is […]
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