Using an operational amplifier of the time, this circuit was obtained from a 90s Radio Electronics. The circuit covers the frequency range from 2 Hz to 20 kHz.
Found in Radio Electronics from the 90s, this circuit generates signals from 100 Hz to 1.5 kHz....
Operating in the range of 1.5 to 15 kHz, this sinusoidal oscillator is based on a 741 operational. The...
This circuit was obtained in a 1973s documentation. The transistors may be BC558 for the PNP and...