High Speed Digital to Analog Converter (CB5170E)

This 8-bit converter was found in an American 1980s documentation. Motorola components are uncommon today. The circuit serves as a reference.

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Touch Die (CB12300E)
If you touch the sensor for a moment, the LEDs run and when you stop touching the sensor, only one...
Bi Quad Filter (CB12166E)
This notch filter uses four operational amplifiers that can be 741 instead of the original ones....
Overvoltage Indicator CA3140 (CB12311E)
In this circuit the LED lights up when the input voltage exceeds the value set in the trimpot. The circuit...