Instantaneous ultra-wideband measurements from 100 MHz to 65 GHz
Banded Measurements from 50 to 75 GHz, 60 to 90 GHz, and 75 to 100 GHz
Automates Noise Parameter Measurement Systems
Replaces External Banded Components
Integrated Downconverter, Bias Tees, Low-Noise Amplifier, and Switches
Low Noise Figure
Introduction
Noise Parameters are the non-50Ω extensions of Noise Figure, and are an important modeling and model validation tool to understand how a device-undertest’s performance changes as a function of source impedance. Noise Parameter measurements are typically performed
using a Vector Network Analyzer (VNA) to measure the S-Parameters of the DUT, and a Noise Analyzer (either Noise Figure Analyzer NFA or Spectrum Analyzer SA) to measure the noise power of the DUT. Noise parameters are calculated from a combination of known
source impedances, S-parameters and noise powers.
Noise Receivers and Noise Receiver Calibration
The Noise Receiver consists of the
component chain from the DUT output
to, and including, the Noise Analyzer.
The minimum Noise Figure (Fmin) of the
Noise Receiver will affect the minimum
accurately measurable Noise Figure of
the DUT by increasing the sensitivity
of the receiver. Therefore it is critical
to provide a Noise Receiver with the
lowest Fmin possible. In addition, Noise
Analyzers may not be available at the
frequencies of interest and in these cases
it is common to use a downconverter
chain to lower the frequency of the
signal to one that can be measured by
the Noise Analyzer. Maury’s family of
MT7553-series Noise Receiver Modules
assist in doing exactly these things.
MT7553-Series Coaxial Noise Receiver Modules
MT7553-series coaxial Noise Receiver
Modules integrates the entire output
network of a typical Noise Parameter
measurement system into a turnkey
solution. These NRMs consist of
>> Wideband low-noise amplifiers to
improve the sensitivity of the Noise
Receiver
>> RF switches to switch between VNA
and NFA paths
>> Wideband bias tees to provide bias
to the device under test
The MT7553A03 NRM covers 0.1-26.5
GHz and is designed to operate with
either standalone Noise Analyzer or
combined VNA/NFA up to 26.5 GHz.
The MT7553B03 NRM covers 0.1-50 GHz
and is designed to operate with either
standalone Noise Analyzer or combined
VNA/NFA up to 50 GHz.
In cases where the NFA does not
match the Noise Parameters frequency
of interest, an NRM with integrated
downconverter module may be used
to accept an input signal (commonly
referred to as RF signal) at F1 and mix it
with local oscillator signal F2, resulting in
an intermediate frequency (IF) of F1-F2, a
frequency able to be directly measured
by a lower frequency NFA.
The MT7553B01 NRM covers 0.1-50 GHz
and is designed to operate with either
standalone Noise Analyzer or combined
VNA/NFA where the VNA operates to at
least 50 GHz but the NFA operates to
26.5 GHz.
The MT7553C01 NRM covers 0.1-65 GHz
and is designed to operate with either
standalone Noise Analyzer or combined
VNA/NFA where the VNA operates to at
least 65 GHz but the NFA operates to 50
GHz.
The MT7553M is designed for full millimeter wave noise parameter measurements within the TE10 waveguide band of operation. The MT7553M downconverts noise power densities from the frequency of interest to the NFA bandwidth using a double-side band swept LO technique. The MT7553M is available in configurations covering the 50-75 GHz (WR15), 60-90 GHz (WR12) and 75-100 GHz (WR10) frequency ranges.
MT7553N-series Noise Switching Modules
MT7553N-series Noise Switching Modules integrates the entire input network of a typical Noise Parameter measurement system into a turnkey solution. These NSMs consist of
>> RF switches to switch between the VNA and noise source paths
>> Wideband bias tees to provide bias to the device under test
The MT7553N26, MT7553N50 and MT7553N65 cover 0.1-26.5 GHz, 0.1-50.0 and 0.1-65.0 GHz respectively.
Learn more about how we can help you reach your goals
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Application Notes and Data Sheets
For information about the available models, configurations and specifications, please see the following data sheet:
4T-085
MT7553 Noise Receiver Modules
5A-042
A New Noise Parameter Measurement Method Results in More than 100x Speed Improvement and Enhanced Measurement Accuracy
5C-085
Using an Impedance Tuner and Noise Receiver Module to Extend the Agilent PNA-X to 50 GHz Noise Parameters
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