B-2 PN: 10580-00321 Rev. M S331L UG
B-2 Glossary Terms Glossary of Terms
Analog
Transmission : Analog Transmission refers to signals propagated
through the medium as continuously varying
electromagnetic waves.
Attenuation : Attenuation refers to the decreasing of signal
magnitude between two points. These points may
be along a radio path, transmission line, or other
devices.
Attenuator : Attenuator is a device specifically designed to
decrease the magnitude of a signal transmitted
through it.
Band Pass Filter : A Band Pass Filter is a radio wave filter with a
specific range of frequencies in which it is
designed to pass. It rejects frequencies outside the
pass-band range. A resistor-inductor-capacitor
circuit is an example of a Band Pass Filter.
Bandwidth : Bandwidth usually identifies the capacity of a
circuit or amount of data that can be sent through
a given circuit. It may be user-specified in a PVC.
It is an indication of the amount of data that is
passing over a medium. Also, bandwidth is the
portion of the frequency spectrum required to
transmit desired information. Each radio channel
has a center frequency and additional frequencies
above and below this carrier frequency which is
used to carry the transmitted information. The
range of frequencies from the lowest to the highest
used is called the bandwidth.
Bandwidth Ratio : Bandwidth Ratio is the ratio of two devices having
differing bandwidths, not necessarily in the same
frequency spectrum.
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