Debouncer (CB20546E)

This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is the 74LS14.

Precision Optical Level Detector (CB4955E)
This circuit is from the 80's and can be implemented with modern equivalent components. R1 is 2M5,...
LZ400UB00 Series of Violet LEDs
August 2017 - The new LZ400UB00 ultraviolet LEDs from Engin LEDs with wavelengths of 385 -410 nm...
4017 Sequencer (CB438)
Pulses in sequence 1 to 10 are produced by this circuit. The pulses can be used to drive output...