This precision signal rectifier was obtained in an American technical documentation from 1975. The operational amplifiers can be 741 and the power must be supplied from a symmetrical source.
This circuit simulates the call tone of a telephone. The transducer is a high impedance capsule, and...
This simple circuit presents a voltage gain of about 1,500. The input impedance is high and the...
This is a single IC voltage regulator that can acts in the range from 1.2 to 20 V. Output currewnt is up to...