Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be mounted on a heat sink. The transformer is 25 V with a current of 3 to 4 A.
For a negative voltage of -48 V, this circuit from the 2005 Linear Technology manual makes use of an...
Found in a 1980s telecommunications documentation, this balanced modulator circuit uses...
This circuit is from a 2005 Linear Technology publication. It converts current into load sensing...