Water Level Sensor (CB6557E)

This grid-isolated sensor was proposed by General Electric in 1966 documentation. The circuit currently uses common components.

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Timer 4011 (CB19630E)
The outputs of this timer or CMOS timer configuration with the 4011 integrated can be connected to load...
First IF Amplifier Stage (CB935E)
For reference only, this is the first IF amplifier stage of a common transistor radio from the...
DC DC Converter from 12 V to 33 V (CB1231E)
We find this circuit in a 1994 technical documentation. The circuit has a 12 V input and a 33 V...