Debouncer (CB20546E)

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

Frequency triplicator with varicap (CB4113E)
This circuit triples the frequency of a low-intensity signal and is suitable for VHF and UHF...
Precision Diode (CB15882E)
A diode with precision characteristics can be simulated with the figure circuit based on the...
Power supply with solar panel (CB21022E)
This circuit was found in a Maxim documentation from the 90s. It is valid for the lower income types...