We found this circuit for video games in a Radio Electronics magazine from August 1977. The transistor can be any common RF type that reaches the desired signal frequency.
We found this circuit in a 1977 Italian Elettronica Prática. BC107 can be replaced by BC547 and...
This circuit for 40 V systems was found in a Linear Technology application manual. The circuit...
Found in a 1968 EEE, this circuit uses transistors from that time. The output is 300 ns....