Re: Simple RF power oscillator

>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

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Simple? is in the eye of the beholder . . .

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

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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.
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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.

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Hi Default,

I wish tank you very very veru much ;) The links that you've posted are a rich repository that I was looking for. My problem wasn't the weak or strong effort to search , but the fact that my search keywords was wrong. In fact, if you put in google the string such as "power oscillator" you will find a lot of accademic paper, patents and so on, but nobody pratical scheme. Conversely if you put "Tesla coil" in google you will find what you've need.

So, speaking with you and the other friends of this group the term "Tesla coil" is suddenly emersed and my problem solved ;)

Thanks again, Antonio

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