Posted in hardware Tagged current limiting, current source, pnp, transistor ← The Biggest Corner Antenna We’ve Ever Seen DIY Tube Oven Brings The Heat To Homebrew Semiconductor Fab → ...

There are numerous differences between NPN and PNP transistors, and even though both are bipolar junction transistors, the direction of current flow is the name of the game.

[Paulo] just tipped us about an Excel based high frequency transistor amplifier calculator he made. We’re guessing that some of our readers already are familiar with these class A ampl… ...