Digital Oil Pressure Gauge (CB25336E)

This circuit was found in the July 1990 Radio Electronics magazine. It is based on the 3-digit indicator ICs CA3161 and CA3162.

| Clique na imagem para ampliar |

Transistor Tester (CB4370E)
This circuit was found in an English magazine from 1979. The magazine no longer exists, but the...
VCO- Voltage Controlled Oscillator (CB12170E)
We found this circuit in a PopularElectronics of 1993. The circuit generates signals whose...
Two Phase Voltage Controlled Oscillator (CB13741E)
This circuit was found in an English technical documentation from 1973. The circuit generates...