I am now a bit lost as to what i should do. Is it possible to directly design a 500 Mhz square wave oscillator stable to 10ps or do i have to design a sine wave first and then put it into a PLL synthesizer to get the stablility from the crystal oscillator? Does this mean that i must design a Clapp,wein bridge etc. oscillator(bec i cant find equations and circuits that help me design this from scratch, the bias circuits and the colpitts are always seperate, how do i combine them)? using s-parameters and such? I have tried some square wave circuits i found on the web, but they don't work to well at certain frequencies-something tells me that each circuits have limitations to the frequency they can produce.
How can i understand the fundamentals of electronics/electronic components in order to build my own square wave generator? I am in urgent need of help, this must be done, and fast - PLS HELP!!