Found in na 1970 EDN this circuit has a parallel regulation providing a symmetrical output of 15 V. The transistors are from that time.
This circuit, suggested by Sylvania in a 1956 publication, serves as an experimental stage for a...
This circuit generates signals for the calibration of IFI (Intermediate Frequency) of traditional AM and...
With this circuit, a relay can be activated from an alternating signal with frequency up to a few...