Multipurpose temperature control (CB21368E)

This circuit was found in a 1967 RCA SCR manual. It uses period components that can be replaced with modern equivalents.

Fluorescent Inverter (CB15027E)
This sophisticated inverter circuit of excellent performance was found in a French publication in 1995. The...
Photodiode Sensor LMV358A (CB19653E)
The integrated circuit used in this application is the Texas Instruments LMV358A, a low voltage...
Random Number Generator (CB20177E)
This circuit is from 80s documentation, using still common CMOS components. The display is 7...