This circuit is from a 1968 Motorola power circuit manual. The circuit uses transistors of the time. The passing band is 45 Hz to 100 kHz.
This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any...
This basic configuration of an astable multivibrator was found in a publication of the year 1968....
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...