,

IC TL081 Based 4 microphones mixer Circuit Diagram


This is the simple IC TL081 based 4 microphones mixer Circuit Diagram. A TL081 op amp is used as a high impedance to low. converter and a signal mixer. The input impedance is about 1 megohm and the output impedance is about 1 kohm. Two 9 volt batteries are used as power source. Battery must be several hundreds of hours with alkaline batteries. Link



IC TL081 based 4 microphones mixer Circuit Diagram

Previous
Next Post »