Debouncer (CB20546E)

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

Electret Microphone Preamplifier (CB17046E)
We found this circuit in a 1995 documentation. It is a two-channel preamplifier for supplying a...
Solar cell series connection (CB20479E)
In the figure we have the way to connect solar cells in series in order to increase their voltage. The...
12,5W Amplifier with the741 (CB4023E)
This circuit is from the 1990 Motorola Data Databook. The circuit can be implemented with...