This circuit was found in a 1970's Radio Electronics. The pulse transformer has a 1: 1 turn ratio. The triac must be in accordance with the controlled load.
The circuit shown in the figure presents a 18 dB attenuation for frequencies below the cut. The...
This circuit monitors the current of a series of 40 V lithium battery packs connected in series....
Suggested by Siliconix in documentation from the 90s, this amplifier has its gain digitally...