Voltage controlled oscillator (CB20605E)

This VCO makes use of components from the 1980s. The circuit can be implemented with modern operators.

| Clique na imagem para ampliar |

3A Regulator from 0 to 30 V LM350 (CB17197E)
This version of the circuit is from 2000, using a source of negative voltage that allows to obtain...
Proximity Switch (CB24800E)
This somewhat complex circuit was found in the May 1984 issue of Radio Electronics magazine. The...
Optical Trigger (CB4951E)
This basic circuit is from an old documentation. The relay must be 50 mA maximum and must have a...