This circuit delivers at its output a voltage that proportional to the amplitude of the input signal in a range of 36 dB. We found it in an American documentation from 1966.
This circuit was found in an old manual and can be applied to any operational amplifier. The power...
This circuit uses a JFET at the input to increase the impedance. The circuit has a gain voltage...
An excellent low frequency sine signal is produced by this oscillator. The frequency is determined by the...