The transistor used in this circuit is uncommon today. AC124 or equivalent such as AC188K and 2N2431 can be used. The circuit is from the 80's and makes use of transformers.
June 2017 - Vishay Siliconix's new Generation IV (Gen IV) Channel N MOSFETs can now be purchased...
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
This circuit drives symmetrical loads through a single transistor. The circuit is from a Radio...