This modulator amplifier for transmitters was found in a 1947 American book. The circuit uses an output with 4 tubes connected in parallel and in push-pull.
We found this power supply in the 1982 SGS Linear Integrated Circuits manual. The L296 is not...
This circuit is from an English book from the 1980s. Transistors can be general-purpose types of...
The basis of this circuit is the integrated TA7205, which is not very common today. We found the...