This circuit was found in the July 1988 issue of Radio Electronics magazine. It makes use of an operational transconductance amplifier (OTA) still in use today.
This current monitor can operate on 500V circuits. The circuit is suggested by a 2005 Linear...
This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time...
This circuit is suggested by Texas Instruments in old documentation. The components depend on the...