Standard cell amplifier (CB6841E)

Found in Linear Technology documentation from the 90s, this circuit uses an operational amplifier of the time. The power supply must be symmetrical.

Voltage Comparator Shield (CB4588E)
Voltage comparators, such as those in the LM139/239/339 series, consist of devices that can be...
One-of-Eight Data Selector - 4051 (CB190E)
Figure shows the basic application of a data selector using the 4051 . The same configuration is...
Intrusion alarm (CB7239E)
This circuit is from a 1965 General Electric manual. It uses components from the time that admit...