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 |

FM demodulator for optical transmitter (CB25537E)
This circuit works with the previous two by demodulating the signals received modulated in FM. The...
Selection of diode inputs (CB4111E)
This circuit is used in transceivers, enabling input selection by diode switching through polarity...
Crossing Counter (CB17199E)
This circuit can be used for several purposes such as pulse counter, pass counter, roulette, etc....