Introduction Voice-activated or sound-activated circuits that are commonly known as mixer circuits are used to attenuate the sound of any microphone in the systems. In simple words, this is the circuit that reduces the volume … Read more
lm348
LM348 is a quadruple, independent, high-gain, internally compensated operational amplifiers IC. The IC is designed to have operating characteristics similar to the µA741. These amplifiers exhibit low supply-current drain and input bias and offset currents … Read more