This circuit was obtained from an Electronic Design from 1964. Transistors admit modern equivalents and the range of frequencies generated can be changed.
This circuit was found in Radio Electronics from the 90s. It uses a transconductance operational...
We found this circuit in a Popular Electronics of the 90s. The circuit can also be used as a seat...
Using two PUTs this circuit generates signals as shown in the figure. The circuit is from a Radio...