This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be equipped with a heat sink. The transformer has 10 A secondary current.
This circuit provides a linear attenuation of a signal up to 100 dB. The circuit operates with...
This circuit was found in an American documentation from 1966. The transistors are from that time...
We found this circuit in a Linear Technology documentation from the 90's. Check the availability of...