Can we use the low frequency capacitors and resistors for up to 3 GHz RF frequency?

Can we use the capacitors(smd) and resistors(smd 0805,smaller) that we use in low frequency (under 100mhz)circuits for up to 3GHZ rf frequency?
If no,what types is suitable?

As far as I know, if the working frequency is under the series resonant frequency of the component, then there is no problem. Unfortunately, not all the manufacturers offers informations about SRF. For example, take a look at Kemet spice, http://www.kemet.com/kemet/web/homep.../Weben/kemsoft , this manufacturer offers nice graphs with impedance vs freq. for their caps. I use regular 0603 and 0402 at 2,5GHz with no problems.

/pisoiu

in the @DS component library none of the capacitors have SRF more than 6-7 GHz. How to design a capcitor which has SRF more than 10 GHz or what can be alternate to this?

thanks
/k

The highest SRF I've seen at the components I use is 10GHz, for a 0402 type inductor. Beyond this....microstrip? :)

/pisoiu

Can you make your own capacitors? One type is thin filaments in an interdigital structure. I have also seen parallel plates, air dielectric, types soldered perpendicular to the PC foil. This is really a short open circuited transmission lines.