This experimental monostable CMOS circuit, activating an LED was found in a documentation from the 1980s. It is recommended to connect in series with the LED a limiting resistor of 470 ohms or more.
We found this test circuit in a March 1967 Radio Electronics. The circuit uses a zener-regulated supply and...
We found this circuit in a 1995 publication. It applies to transceivers in the citizen's range (11...
The figure shows how to associate flip-flops in a shift register to obtain a lower frequency...