We found this circuit in a 90s 73 magazine for radio amateurs. The circuit has 3 W of power and can use modern equivalent MOSFETs.
This circuit makes use of the Linear Technology LT6100. We find it in a 2005 company manual. The...
We found this measurement circuit with a logarithmic scale in an Electronics Now from November 1995....
We found this circuit in a 1977 CMOS integrated documentation. The circuit also works with 6 and...