Current to voltage converter (CB7332E)

This circuit is from a Popular Electronics from the 90s. The integrated circuit admits equivalents that must be tested.

Two Level Light (CB16423E)
Although we have already published the complete project of a light on two levels several times,...
Capacitive Transducer Circuit LM2907 (CB14299E)
This circuit is from the Linear Applications Handbook from National Semiconductor, providing an...
Analog Multiplexer (CB21250E)
This low impedance circuit was found in an Electronic Design from the 90's. Operational amplifiers admit...