Divider by N (CB25201E)

This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio Electronics magazine from February 1989.

| Clique na imagem para ampliar |

Vdeo cable driver (CB20922
E) This circuit was found in documentation from the 1980s. The integrated circuit used is not very...
Long interval timer (CB12648E)
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
Biestable Multivibrator (CB9926E)
This circuit with operational amplifier was found in old American documentation. It can be...