With a unijunction transistor and a tunnel diode it is possible to obtain rise times of 1 ns with the circuit shown in the figure. The circuit is from a 1965 Electronic Design.
This configuration was found in an American publication from the 90s. Operators admit equivalents just...
The circuit shown in the figure has basically the same configuration as any TTL oscillator, with...
This circuit with the PLL567 serves as a decoder for PWM modulated signals of frequencies up to...