Try contacting Rogers. Ask for a copy of the "Blue Book" on microwave
products.

Jeffrey McGlaughlin
Battelle
Columbus

        -----Original Message-----
        From:   Rhoads, Randall E [SMTP:[log in to unmask]]
        Sent:   Wednesday, February 04, 1998 11:21 AM
        To:     [log in to unmask]
        Subject:        [TN] High-Frequency Dielectric Constant

        Does anyone have any sources of info on high-frequency dielectic
        constant for circuit materials, especially how it varies with
frequency?
        I'm interested in the megahertz and gigahertz ranges.  Thanks!

        Randy

                Randall E. Rhoads
                Development Engineer
                Electromagnetic Technology
                AMP Incorporated
                Harrisburg, PA 17105-3608
                [log in to unmask]

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