Precision temperature transducer (CB10174E)

This circuit was found in 1980s documentation. The circuit uses components from that time serving for remote sensors.

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Random Number Generator (CB20177E)
This circuit is from 80s documentation, using still common CMOS components. The display is 7...
Priority Switch (CB10548E)
This circuit was obtained in an English magazine from 1979, but it can be easily assembled with...
555 testing generator (CB21341E)
Found in Electronics Now, this circuit generates signals for testing like a signal injector. The...