Overload Alarm (CB6082E)

This circuit is from a 60's documentation. The circuit uses components from the era and serves to monitor a 150V continuous power line.

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Pulse Extender (CB1444E)
This circuit is from the National Semiconductor CMOS manual of 1977. What this circuit does is to...
ON Semiconductor CMOS Operational Amplifiers
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15 V Symmetrical Power Supply from 5 V with the 555 I (CB1480E )
This circuit, found in a 1978 publication, converts 5 V into a symmetrical 15 V output under low...