This CMOS 4001 oscillator alternately turns the relay on and off at times set by R2. The circuit is from Electronics Now magazine, June 1995.
We found this circuit in a Texas Instruments documentation from the 80s. The circuit uses simple...
This oscillator provides a sinusoidal signal and can be applied to other operational amplifiers. The...
This circuit was found in a 90s Popular Electronics. Both the coupler and the MOSFET can be of any...