This is a low-gain amplifier to operate as a booster. We found it in an American documentation from 1947. The circuit uses a coupling transformer at the input.
This circuit makes use of a Linear Technology LT6100 having been taken from the component...
The transistors T1 and T2 of this circuit can be the BC558. T3 can be a BD135 and T4 a TIP42. The...
Found in an 80's documentation this circuit uses an integrated from the uncommon era today. Other...