This 50 kHz to 250 W circuit was found in an old RCA documentation. The transformer is a commercial type of the time and the output voltage is 80 to 90 V.
The figure shows how to implement an inverter amplifier with a Norton operational amplifier. The...
This is a commercial circuit for an AM radio with 4 transistors, published in a Japanese magazine in...
This circuit is indicated for the analysis of TTL circuits being powered by 5 V taken from the...