pH meter (CB21196E)

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

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Stabilized Colpitts Oscillator (CB22395E)
This Colpitts oscillator with JFET has the amplitude of the signals stabilized by a diode. The...
Random Pulse Generator (CB12642E)
This circuit can be used with the CIR12642E TTL Roulette, or other game circuits that must draw...
Overvoltage and Undervoltage Relay (CB17023E)
This conventional window detector circuit was found in a 1995 documentation. The trigger points, that...