This is a classic FM amplifier IF amplification stage configuration. The circuit is from a 1980s documentation. CN is the neutralizing capacitor.
The use of field effect transistors in this circuit improves its performance. This configuration is from a...
Carefully removing (and a lot of work) the cover of a metallic 2N3055 to expose its joints it...
We find this power oscillator circuit in a 90's Popular Electronics. The circuit can be powered by...