Microprocessor supervisor (CB9321E)

This circuit was obtained in a Maxim documentation from the 90's. The circuit applies to microprocessors of the time.

Half-wave power control (CB20715E)
The trigger element of this circuit is a neon lamp. The SCR admits an equivalent. We found it in...
Bistable (CB21100E)
This bistable with transconductance operational amplifier was found in early National...
Portable ultraviolet source (CB7188E)
This 1965 circuit consists of a small inverter for an ultraviolet lamp. The circuit is from a...