Free Simple Circuit Diagram
The mains supply can be conveniently reduced with no heat dissipation by the reactance of C1; then rectified by D1 (1N4007) and D2 (1N4007) and clamped to 24V by the Zener Diode D3 (24V) due to the very low current consumption of this circuit. The built-in microphone pick-up the music diffused by the loudspeaker(s) of any type of media player […]
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The LM1036 is a DC controlled tone (bass/treble), volume and balance circuit which can be applied in car radio, TV and audio systems. Loudness compensation to be simply effected is allowed by an additional control input. Control of the bass, treble, balance and volume function are provided by four control inputs through application of DC voltages from remote control system […]
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An excellent tone burst generator can be made using 556 Dual Timer. We can connect the first half as a one-shot and the second half as an oscillator. The oscillator turns on because the pulse established by the one-shot turns, allowing a burst to be generated. Here is the circuit diagram: [Source: Philips Semiconductors Application Note]
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Not only a summing circuits, but there are also subtracting circuits. Here’s the circuit diagram: Subtracting circuit is a common application which is used to eliminate the vocal track (recorded at equal levels in both channels) from stereo recordings. R1 = R3 and R2 = R4, Vout = (R2/R1)(Vin2 – Vin1) R1||R2 = R3||R4 for minimum error due to input […]
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