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.
Suggested by Siliconix in documentation from the 90s, this amplifier has its gain digitally...
This circuit is from Radio Electronics. The magazine no more exists, but the circuit can be...
An oscillator that uses two gates is not suitable for critical applications, as it tends to pick...