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From aeroflex.com
The powerful fault location facility of the 6820 series scalar analyzers allows the user to locate faults in cables or waveguide systems to high accuracy. Fault location provides a means of measuring VSWR or Return Loss in real time as a function of distance. The system identifies the location of any faults of discontinuities to an accuracy of 0.1% of range. For a 100 metre (328 feet) cable, a fault will be determined to within 10 centimetres (4 inches) of its true position.
In any microwave system, reflections are caused whenever a
microwave signal encounters an impedance discontinuity.
If we take a normal system with an impedance, Z0 of 50 O,
then figure 1 below illustrates the effect.
Products & Services
Scalar network analyzers measure the amplitude portion of scattering or S-parameters, reflection and transmission coefficients between the incident and reflection waves that describe a device’s behavior under linear conditions at the microwave frequency range.
Fault detectors and recorders are electric power instruments that detect and/or record electrical faults that may happen in power lines. A fault recorder keeps a log about the time, location, intensity of the fault.
RF waveguide tees are components that allow one signal (line) to branch into two or more lines.
RF waveguide couplers are RF circuits used to sample RF frequency transmissions by coupling (combining) signals asymmetrically.
RF switches route radio frequency signals to particular waveguides.
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Technical Articles
Interpretation of Fault Location Results Using the 6820 Series Scalar Analyzers (.pdf)
- Test and Measurement
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