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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Tone Decoder (CB5146E)
This circuit was found in a 1980s documentation. It decodes by identifying a certain frequency tone...
Product Detector (CB4830E)
The purpose of this 2000 documentation circuit is to decode SSB (BLU) signals to be audible on...
Direction Indicator for Bike (CB931E)
This circuit was found in Electronics Handbook, Vol XIII 1993 and consists of a simple direction...