This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
The figure shows the basic circuit of a relaxation oscillator with operational amplifier. The...
This circuit was obtained from American documentation from 1966. It triggers when the two input...
Found in an American 1980s documentation, this circuit generates high-intensity pulses for a...