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Waveguide Terminators

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About Waveguide Terminators

Waveguide terminators absorb energy and prevent RF signals from reflecting back from open-ended or unused waveguide ports. They are passive devices which dissipate radio frequency (RF) energy by producing heat energy. There are three main performance specifications to consider when selecting waveguide terminators. Frequency range is the range of frequencies over which devices waveguide terminators are designed to operate. Voltage standing wave ratio (VSWR), a unit-less ratio ranging from 1 to infinity, is a measure of the amount of reflected energy at the input of the device. Return loss is a measure of the match between system impedance and the impedance of waveguide terminators.   

Selecting waveguide terminators requires an analysis of RF connector types. Choices include BMA, BMMA, Bayonet Neil-Concelman (BNC), Type C, Type F, Type G, and FME connectors. Waveguide terminators may also use the following connector types: miniature coaxial (MCX), micro-miniature coaxial (MMCX), MHV, Type N, QMA, or quarter wave stub (QWS). In addition, connector choices include subscription channel (SC), subminiature-A (SMA), subminiature-B (SMB), subminiature-C (SMC), and subminiature-P (SMP). Waveguide terminators that use SSMA, SSMB, TNC, Triax, Twinax, UHF, Mini-UHF, ZMA, 1.6 / 5.6, 7-16, or 1.0 / 2.3 connectors are also available. There are five metric connector styles: 1.85 mm, 2.4 mm, 2.92 mm, 3.5 mm, and 7 mm.    

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Products & Services Related to Waveguide Terminators

RF Adapters
RF adapters are used to connect different waveguides and/or coaxial types. They are passive devices that direct radio frequency (RF) signals with minimal return loss.

Engineering Web: Waveguide Terminators

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ITC-Manufacturer of Waveguide Adapters and Components
Waveguide Terminators Waveguide Dummy Loads Waveguide Fixed Attentuators Waveguide Terminators
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