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Noise Figure Measurement Accur
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2010-07-08
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Noise figure is a key performance parameter in
many RF systems. A low noise figure provides
improved signal/noise ratio for analog receivers,
and reduces bit error rate in digital receivers.
As a parameter in a communications link budget,
a lower receiver noise figure allows smaller
antennas or lower transmitter power for the
same system performance.
In a development laboratory, noise figure
measurements are essential to verify new
designs and support existing equipment.
In a production environment, low-noise receivers
can now be manufactured with minimal need
for adjustment. Even so, it is still necessary to
measure noise figure to demonstrate that the
product meets specifications.
many RF systems. A low noise figure provides
improved signal/noise ratio for analog receivers,
and reduces bit error rate in digital receivers.
As a parameter in a communications link budget,
a lower receiver noise figure allows smaller
antennas or lower transmitter power for the
same system performance.
In a development laboratory, noise figure
measurements are essential to verify new
designs and support existing equipment.
In a production environment, low-noise receivers
can now be manufactured with minimal need
for adjustment. Even so, it is still necessary to
measure noise figure to demonstrate that the
product meets specifications.
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