Oscillator with stable start and stop (CB8918E)

Found on an Elektor from the 90s, this TTL circuit generates a predetermined number of pulses with a steady start and stop from a control signal.

Debounced flip Flop (CB9256E)
Found in an American magazine from 1968, this circuit produces pulses free of bounces on its...
Temperature Sensor (CB1591E )
This circuit uses a 6-bit A / D converter from Philips, and has its output compatible with most...
Short circuit eliminator for batteries (CB9541E)
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...