waqas5304
Member level 1
level activated input
HI
i have designed a audio amplifier using LM386 IC.its working fine but the problem is the amplifier is ON all the time, due to which a very low hiss is audable is headset.i want that that LM386 gets ON only when a certian level of signal is detected on its input.i want that when a certain level of signal is detected on input of LM386 the amplifier should get ON.this wil help me in two things one power saving and second elemination of NOise.
kindly if someone knows help me post me a circuit or guide me
HI
i have designed a audio amplifier using LM386 IC.its working fine but the problem is the amplifier is ON all the time, due to which a very low hiss is audable is headset.i want that that LM386 gets ON only when a certian level of signal is detected on its input.i want that when a certain level of signal is detected on input of LM386 the amplifier should get ON.this wil help me in two things one power saving and second elemination of NOise.
kindly if someone knows help me post me a circuit or guide me