500 watt using 4 PL519
60 watt mosftet linear
Stabilizing Mosfet Amplifiers
Has a few amplifiers to 1000 MHz at up to 100 watts output, and then gives results of stabilizing.
Class E Amplifier design  Home Page of this site
This section describes the various components used in class E RF amplifiers, and how the values of these components affect amplifier operation.
807 with PLL input
1400 KHz circuit
10-15 watt SSB IRF510 mosfets (clean amplifier)
Shows amplifier diagram, pcb layout etc. This uses 4 mosfets.
Mosfet class D,E,F amplifiers
Tutorial plus this site has  more like Hints &  Kinks on how to paint & label electronic project enclosures, 300–400 MHz Sweep Oscillator and more!
RF Power Amplifiers
30 watt Broadband IRF510 amplifier from QST magazine Part 1  Part 2
50 watt PEP using 2 IRF430 Mosfets
Tank Output design for tube amplifiers and transistors
Output Impedance - Source Impedance - Load Imedance
Discussion to explain what they mean
Amplifier Noise (Discussion)
VLF power amplifier IRF430 mosfets