This circuit was found in documentation from the 90s. The operational amplifier admits an equivalent. The circuit has frequency ranges up to 5kHz determined by R1.
The voltage gain of the circuit shown in the figure is 10 times. This gain is given by the ratio...
This circuit, from an old Argentine publication, uses a slightly different symbology than we are...
In this circuit we have two oscillators, one controlling the other, using the 4 NAND gates of the...