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Posts tagged C828

BTL – STEREO TO MONO DRIVER Audio

BTL STEREO TO MONO circuit, DRIVER bridge a stereo power amp to mono USING C828 the BTL power amplifier system is: “Two power amplifier units connected by bridge joints can form a larger power amplifier. The amplifier system is in English called Budge Transformer Less BTL. This amplifier system can amplify the amplifier noise by […]

AC DC VU METER Circuit

AC DC VU METER Circuit using PICAXE-08, 1N4004, BC338, 78L05, 7812

I have a LCD32HDMI TV of whrfedala, not working?

Mahendra R asked: I Have a LCD32HDMI, it’s power supply is working fine but when i connect with main board 12v goes down to 1.2 v or low. what is the problem in main board.or you have the circuit diagram of this board 17MB15E-3 board

3W Audio Amplifier Circuit using TDA7057Q

3W Audio Amplifier Circuit using TDA7057Q

sensor circuit

Alarm music for sensor circuit using UM3483 R1,3,4 ……….. 100K R2 …………… 56K R5 …………… 330K VR …………… trimport 100K C1 …………… 33pF C2 …………… 22uF/10V C3 …………… 100nF C4 …………… 4,7uF/10V C5,6 …………. 20nF C7 …………… 100uF/10V Q1 …………… 9012 Q2 …………… 9013 IC1 ………….. UM3483, MB683 S1 …………… Push on Sw SP …………… […]

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