The presented circuit makes use of a common operational amplifier that must be powered by a symmetrical source. R resistors from 10k to 1M determine the gain and compression of the signal.
The purpose of this circuit is to test power supplies functioning as a variable load that can...
This circuit found in the October 1975 issue of Radio Electronics magazine uses an integrated...
We found this circuit in an old Argentine publication from the 1970s. The transistor can be the...