Suggested by General Electric in a 1965 publication this circuit uses a light bulb. Can be changed to use LED and capacitor can be 22 uF.
This circuit for currents from 500 mA to 1.5 A was found on a Ham Radio from the 90s. R4...
With a mains-rated transformer and 1:1 winding this benchtop circuit was found in the January 1995...
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...