On Mar 1, 12:37*pm, "D. v. Bilt" wrote:
"Bob"

* * Because a power mosfet is far too expensive to hobby around with.

What? *The IRF730 (for example) is capable of 50 Watts at up to 25 MHz for
very little drive, and costs under $1!

Bob

* Agreed. But now the 150 W and up versions for 2 meters..

* b.t.w. since when did the u.s. agree to go metric ? (1888?) *not only for hams.

I wonder what the cost would be on an SCR that oprates at 150 Mhz.

Jimmie