Alarm (CB6115E)

This circuit is from an old documentation. However, it can be mounted with modern equivalent transistors.

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Constant Amplitude Twin-T Oscillator (CB4163E)
This circuit was found in a 1980s documentation. Modern operational amplifiers can be used. The...
AD590 or AD592 Temperature Sensor (CB25446E)
This circuit allows you to read temperatures with a common digital voltmeter. We found it in the...
Electronic Circuit Breaker (CB5898E)
We found this circuit in 2005 Linear Technology documentation. MPOSFET is load-matched. The...