>Before of all I wish thanks all you for your useful answer. Our
>different time zone delays the discussion, but this topic is very
>intersting for me ;)
>
>x Charles: yes, probably I've need of a solid state Tesla circuit!
>
>In other word making a solid state Tesla oscillator (let me say
>10-20watt) and stop it at the primary coil I will have what I'm
>looking for.
>In fact on the "few turn" primary coil there is a strong variable
>magnetic field that's excellente to experimentate the RF induction.
>
>Just two question:
>1) Are there simple solid state Tesla circuit just to start to do
>experience?
>2) Are there solid state Tesla circuit working at frequency beyond 1
>MHz?
>
> ... and, IF YES someone can kindly post the scheme or link?
>
>Thanks a lot in advance
>Antonio
Use Google search terms: "solid state tesla coil" AND circuit AND schematic, Turns up 65 hits
There are some mosfet ham radio output stages that use a mosfet driver chip that output 40-50 watts of carrier for an AM transmitter - but simple?
If I wanted a SIMPLE power oscillator in the 100 KHZ range, I'd get a pair of power transistors with a good high frequency response and wind a simple air core center tapped coil and use the more or less ubiquitous push-pull, cross coupled power inverter circuit to drive the tank circuit.
See: He's done just that
If I wanted SIMPLE I'd start with the 1962 "RCA Transistor Manual" for some ideas. They have schematics for a very simple 100 Khz (kilo cycles in those days) ten watt oscillator that uses a single germanium (!) transistor with a 28 volt supply and besides a tuned tank uses only one resistor and one capacitor.
Put a silicon transistor into the circuit and boost the voltage and you have a 50 watt oscillator . . .
They also show a 28 KHZ oscillator for 5 watts.
Again scroll down the page and there's the pretty close to the '62 transistor manual oscillator using one mosfet with an input power of
180 watts.
I can scan and post the '62 schematic to alt.binaries.schematics.electronics if you want, but you are just not searching hard enough or effectively enough - the stuff you want is on the web.