Re: Solid State Plasma Tweeters

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Stephen Conner by way of Terry Fritz <teslalist-at-qwest-dot-net>" <steve-at-scopeboy-dot-com>

At 15:57 12/06/03 -0600, you wrote:
>Original poster: "Dan Strother by way of Terry Fritz 
><teslalist-at-qwest-dot-net>" <dstroth-at-hotmail-dot-com>
>
>I'm currently working on a design, also using a SSTC topology. But I 
>havent nailed down much on it, and I'm sure it will not turn out well, 
>like most of my projects ;).
>
>Unless you are using a ground strike, you will need to operate at several 
>MHz (5+), in order to eliminate audible hiss in the brush discharge.

I imagine you could achieve high frequencies using a single mosfet in a 
flyback-type configuration, driving a parallel-tuned primary. I've seen 
radio transmitters up to 10s of MHz built with an IRFxxx mosfet in this 
way. I think it's called Class DE or something similar.

Steve C.