Michael,

For your requirements of performance from 500 MHz to 2 GHz, I would
recommend the RO4000 materials from Rogers (thermoset resin/woven
glass). This is a low cost high frequency material that is processed
like FR4 (keeps fab costs sinmilar to FR4). PTFE based materials (RO3203
material from Rogers as well as various from Taconic from a previous
posting) will also provide the performance you need but processing costs
may be greater (depending on complexity of construction, MLB for
example). Other resins have provided better performance than FR4 like
PPO (GE) and PPE (Nelco, Isola) but since these are not true high
frequency materials their ability to perform to your electrical
specifications might not be met. Hope this real brief summary of
available materials helps, let me know if you have any additional
questions.

Art Aguayo, Technical Support Manager
[log in to unmask]
602 961-1382
www.rogers-corp.com/mwu/

Michael Thiel wrote:
>
> I would like to know the options available, as far as board
> material/conductor and its
>  characteristics, for an application involving frequencies ranging from
> 500mhz to 2ghz (with the upper
>  limit (2ghz) being more of a concern). Intentions are to emphasize
> microstrip matching at higher
>  frequencies (2ghz) and lumped component matching at lower frequencies
> (500mhz). Basically, what
>  works the best and is cheap.
>
>  Thank you for your cooperation.
>
> ################################################################

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