High speed switching IC

[norman medi]

I am looking for a high speed switching IC (GHz). Can anyone help me on that?
Regards
Norman

 

[Anon_LG]

What exactly is the IC?
Do you mean one that can switch at GHz, or do you mean an oscillator resonating at GHz, do you mean a multiplexer?
What is the purpose of this IC?
How much experience do you have?