Precision AD Converter (CB9026E)

This circuit from the 70s uses components from that time. The converter and SAR are components that are difficult to obtain today.

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Ramp and Hold Circuit (CB14217E)
The circuit whose characteristics are given in the graph uses two transconductance operational amplifiers...
Silence Warning (CB16997E)
The idea of this circuit is simple. Installed in a place where it is desired to be silent, it...
Dark activated LED flasher (CB7587E)
This circuit causes an LED to flash when it gets dark or when no light is falling on the sensor....