Simple FM Radio Jammer Circuit make signal to block normal FM radio. It send noise or fake signal on same frequency so real FM signal get disturbed. Main parts: Transistor work like oscillator and make RF signal. Coil and capacitor set the frequency of this signal. Change trimmer capacitor to change jammer frequency inside FM […]
Audio Circuits
50 Watts Audio Amplifier Circuit
To get good sound with less power and work for long time is very important in audio amplifier. This 50 Watts Audio Amplifier Circuit give strong sound and work well. It uses both MOSFET and BJT to make clear sound and can run 8 ohm speaker with full 50 watt power. Circuit Working: Parts List: […]
10 Watts MOSFET Audio Amplifier Circuit
This 10 Watts MOSFET Audio Amplifier Circuit give about 10W power. It good for playing sound on low impedance speaker. It use two BC547 transistors to drive signal and IRF540 with IRF9540 MOSFETs for output power. BJT transistors make signal strong and MOSFETs give good power. Together they work well for audio amp. Circuit also […]
18 Watt MOSFET Audio Amplifier Circuit
18 Watt MOSFET Audio Amplifier Circuit is good for home sound, small PA or personal audio work. It give medium power to sound signal. This amplifier uses MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). It have many good things like to stay cool, less sound problem and work efficient. MOSFET is 3-pin part which is used in many […]
Simple Mini Audio Amplifier Circuit using IC TDA7052
In electronics making small audio amplifier can help improve music sound for many uses. This is Simple Mini Audio Amplifier Circuit using IC TDA7052 which is shown in diagram below. It needs few parts and easy to build and is good for better sound in small projects. This circuit is very good for DIY and […]
Simple Audio Level Indicator Circuit using IC LM3915
Simple Audio Level Indicator Circuit using IC LM3915 show sound strength with lights. Its display driver is good for sound visual circuits. It takes analog voltage and can light up 10 LEDs, LCDs or other displays in line. Here LED VU meter is used. Music lovers like it because it show sound level with lights. […]