Current to voltage converter (CB7332E)

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

High voltage probe (CB19747E)
This is a high voltage probe that allows the measurement of high continuous voltages with a common...
15 W Class D Stereo Audio Amplifier (CB12538E)
The circuit shown in figure is suggested by Texas Instruments (www.ti.com) and makes use of the...
Fuzz Distortion Pedal (CB11247E)
This well-known configuration of the guitar effects pedal was obtained in an English magazine from...