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RF Stub Line Practical Frequency Range

June 9th Fact-of-the-Day

Parallel-conductor or coaxial transmission line stubs or transformer-sections often are used to match transmission lines to the impedance of antennas, radio equipment, or both. The frequency range over which that is practical is limited on the low-frequency end of the radio spectrum by the extraordinarily long lengths of transmission line required and on the high-frequency end by the relative inefficiency of transmission line compared to waveguide. ©2005 Martek International All rights reserved.

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