This circuit allows you to vary the duty cycle without changing the frequency. An interesting application for PWM controls. The circuit is from a Radio Electronics magazine from July 1985.
This circuit was found in a 1967 General Electric documentation. Tunnel diodes can oscillate at very...
The circuit shown in the figure has basically the same configuration as any TTL oscillator, with...
This levitation circuit keeps a small globe floating in space under the action of a magnetic...