This synthesized generator circuit was found in an article in October 1980 Radio Electronics magazine. The article taught how to assemble it. The circuit generates signals from 1/100 Hz to 1 MHz.
This small blocking oscillator for approximately 1000 Hz was found in an American documentation from the...
An audio signal is applied to the input of this circuit. Depending on the position of the selector...
Using only one LM107 operational amplifier, National Semiconductor suggests the circuit in the...