We found this configuration in a 1974 publication. Transistors can be replaced with equivalents such as 2N2222. The circuit has a dynamic range of 60 dB.
This circuit was obtained from an American 80's documentation. The operational ones can be...
This circuit uses two Raytheon RC4558 operational amplifiers that are similar to the 741. The...
This configuration for 3 A currents with a maximum input voltage of 30 V appears elsewhere on this...