pH meter (CB21196E)

This circuit was found in documentation from Analog Devices. The circuit is based on an AD795 and a commercial pH probe.

| Clique na imagem para ampliar |

Sine and Cosine Oscillator with the 741 IC (CB9513E)
This circuit generates sinusoidal and cosine signals of 2 kHz given basically by the values of C1...
2 W Amplifier (CB6162E)
Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of...
Low Voltage Regulator (CB14163E)
This circuit was found in the National Semiconductor Linear Applications Handbook, published in...