This circuit is from an old RCA documentation. The circuit sources a charging current of 1 A and is intended for the 6 V lead acid battery used in some cars of the era.
This circuit for testing zener diodes by lifting their curve on an oscilloscope was presented in...
With this circuit it is possible to obtain a voltage modulated in amplitude with a maximum current of...
This well-known oscillator configuration that produces a siren sound when pressing CH1 is from a...