5V Powwr Supply Crowbar protection MC3425 (CB14530E)

This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no longer common in the market.

Amplifier LM380 (CB11581E)
This amplifier provides a power near to 1W. The supply must be made with a voltage of 9 V coming...
Frequency meter (CB7383E)
Found in a Popular Electronics from the 90s, this circuit reaches 100 kHz and battery power is...
Bidirectional Motor Control L165 (CB15141E)
Motors up to 2 A DC can be controlled by this circuit that we find in the manual for linear...