Battery Status Indicator (CB6064E)

This bargraph circuit is from an ancient American documentation. It indicates the charge state of a set of 4 batteries from 9.6 to 5.2 V.

| Clique na imagem para ampliar |

Transistorized Siren (CB16420E)
This 1980 documentation circuit uses two power transistors providing good power in a heavy...
Car Power Amplifier (CB17259E)
This power amplifier configuration can be used in a public address system (ads) in the car. The...
BCD Decoder (CB25829E)
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...