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How making Digital Volume Control for audio ?

How making Digital Volume Control for audio ? using DS1669 c1 : 0,1uf Making Digital Volume Control for audio in this series can use a digital set the volume control ,  although the tone control is the volume available, but we can make a volume control with a series. to use this series, release potensiometer […]

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H This exciting project and something that many have been developed, but always remains to add some improvements. The DTMF decoder circuit for distinguishing some separate external components to produce devices capable of sending binary code from a button on the multi-tone phone. This circuit, in addition to […]

low pass audio filter circuit

low pass audio filter circuit low pass audio filter circuit Using NE5534, TL074, A1015, B507, A671, C1815, D313, C1061, TL072, LF347N low pass audio filter circuit low pass audio filter circuit

Power Amplifier Circuit High Quality

Power Amplifier Circuit Supplier High Quality 50W Audio Amplifier Circuit using STK0050II

Make Tv Amplifier and Radio Transmitter Fm – 30 watt amplifier scheme

30-watt amplifier scheme is continued from other pages shown below provides an energy boost in accordance with the input of 4 watts to 6 watts. increase power output function is to increase the distance of the sender and recipient. This circuit is designed to cover 88-108MHz FM Broadcast Band. However, this circuit is very stable […]

Simple Spring Reverb circuit

Simple Spring Reverb circuit using NE5532

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