There is a new force in the GALAXY( The is a signal Generator on ebay for 105CAD (~70US) and its rated up to 24MHz and around 14Vpp I think.
I just want this as a hobbyist. I have a home soldered kit that does up to about 8kHz wit its capacitors. I look forward to seeing what that chip can do with different timing caps.
Here's a review, I plan to get 1.
plasma rifle, 40mW class