Pulse Scrambler (CB20547E)

This circuit assumes that a pulse produced by S1 has a constant duration determined by R1 and C1.

Proximity Detector (CB11566E)
This circuit is from a 1965 Argentine publication (Radio Chassis Television). The original...
Microammeter with the 709 IC (CB24197E)
Using a 709 integrated circuit this circuit was found in the June 1972 issue of Radio Electronics...
Temperature sensor shield (CB5093E)
This circuit was found in an old publication and can be adapted for use with modern...