This circuit uses opposing MOSFETs operating on a 6 to 15 V input voltage. The circuit is from 1997 Linear Technology Applications and uses common components at the time.
The strength of an audio signal can be controlled by touching sensors. Keeping the finger in...
This circuit was found in a 1977 radio amateur manual. Integrated circuits are operational...
In the figure we have the way to implement an adjustable active cycle oscillator using PLL 567....