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Noise Sources
create signal disturbances for the purpose of noise instrument calibration.
See Also: Pink Noise, Noise Generators
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Noise Sources
WGNS
The system allows the user to extend the frequency range of the NFA to allow for accurate noise figure measurements to be performed on a device operating in the 26.5 – 170GHz range on wafer as well as in benchtop applications. Farran offers the WGNS series of noise sources to be used in conjunction with the FBC down converters for use as frequency extenders for noise figure measurement test system.
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Noise Figure Analyzers & Noise Sources
Keysight Technologies provide a range of noise figure measurements solutions to meet your needs, from the NFA series noise figure analyzers to the noise figure measurement personalities for our spectrum analyzers. We also have a range of noise sources to complete the measurement solution.
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High-Power Noise Sources
These modules not only contain the noise diode circuitry, but also gain stages to boost the output power. While lower frequencies (under 2 GHz) are most common, Mercury produces powerful amplified noise modules up to 18 GHz. Noise modules are available in coaxial, surface mount and pin type construction. TTL control options are available.
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Calibrated, Integral Isolator Noise Sources
Calibrated, Integral Isolator Noise Sources by Pasternack
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Noise Sources
This power amplifier ensures that you get the maximum sound pressure level out of the Norsonic range of speakers.
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Broadband Calibrated Noise Sources
Fairview Microwave’s calibrated noise sources cover frequency bands from 10 KHz to 18 GHz. Their performance specifications include output ENR levels ranging from 15 dB to 30 dB and typical VSWR levels as low as 1.25:1. Depending on the model, calibrated frequency points are at 10 MHz, 100 MHz, 1000 MHz, 2000 MHz and 1 GHz steps. The temperature coefficient of these noise sources is < 0.01 dB/°C and noise output variation is < 0.1 dB/%V.
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Noise Sources
NC3208
It offers a high ENR output AWGN noise over a wide frequency range. This Noisecom noise source has excellent stability with temperature and voltage for tough environments. It contains a hermetically packaged noise diode that has been pre-selected for special performance characteristics. This module is ideal for many different applications including radar warning receivers (RWR), built-in test equipment (BITE), military aircraft, and Wi-Fi.
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Noise Sources
NC1128A
This noise source by Noisecom produces white Gaussian noise up to +13 dBm. It contains a hermetically packaged noise diode that has been pre-selected for special performance characteristics. This module is ideal for many different applications including CATV, Secure communications, Jamming systems, OC-192 Testing, EW & EC.
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Broadband Coaxial Noise Sources
Our integrated noise modules contain all the required biasing circuitry and only need a positive voltage to activate for an easy installation. Since they typically do not contain amplification, the raw noise output from the diode is seen at the output of the module resulting in a maximum ENR of approximately 35dB. Primary applications include system built-in test and laboratory use.
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SNS Series Noise Source 10 MHz to 18 GHz (ENR 15 dB)
N4001A
The SNS series N4001A noise source is ideal for general purpose use with a low reflection coefficent and a nominal ENR of 15 dB from 10 MHz to 18 GHz.
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Comb Generator
CG118
The main application of comb generator is to quickly verify 1GHz above radiated emission and conducted emission test setup.And the most important application is 3m chamber and 10m chamber 1GHz above to18GHz with 250MHz frequency spacing for site validation,shielding efficiency. reference signal source Noise Generators Signal Generators
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Noise Source Family
SNS Series
Works in conjunction with the NFA Series of noise figure analyzers to simplify measurement set-up and improve accuracy and reliability, automatically downloading electronically stored calibration data.
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Noise Source, 1 GHz up to 50 GHz
346CK01
The Keysight 346CK01 is the ideal companion to Keysight´s noise figure solutions when working on high frequency applications. Since it is broadband (1 GHz to 50 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty, which are reflections of the test signals. This is a coaxial noise source with a 2.4 mm coaxial connector. ENR typically 20 dB at 1 GHz, decreasing to typically 7 dB at 50 GHz.
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Coaxial
NC3000
The NC 3000 Series calibrated coaxial noise sources are well suited for receiver testing, noise figure measurements, or applications that require broadband noise and fast switching times.
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Multi-Channel, Programmable Current Source
CS-48-100
The Model CS-48-100 is a multi-channel, programmable current source. Developed for both semiconductor and digital superconductor electronics, it is computer-controlled and features 48 low noise current source outputs. Each source output has the capability to both set and read back currents and can be set to a zero current high Z mute state. Each of the 48 sources are optically coupled for control and are sourced from their own secondary winding for complete galvanic isolation. The device consumes a maximum of only 80 W and handles a maximum load current of 4.8 A total over all outputs. Operating over a range of 0-100 mA on each channel, the device features accuracy of +/-25 ?A. The mute state can be set thru a rear panel interlock or from the front panel button for maximum circuit protection. The unit can be mounted in a standard-sized rack.
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60 GHz Noise Figure Test Set
The Noisecom 60 GHz Noise Figure test set has 4 separate systems designed to perform Y-factor noise figure measurements using a high performance Spectrum Analyzer or a dedicated receiver. Each system contains a highly stable V-band noise source, isolator(s), optional waveguide to coaxial transitions and an optional pre-amplifier for use with a spectrum analyzer. The two standard calibration tables have ENR data points at 1 GHz intervals.* System ENR is measured before the DUT connector and at the final output stage allowing for pre-test calibration of the system.
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SNS Series Noise Source 10 MHz to 18 GHz (ENR 6 dB)
N4000A
The SNS series N4000A noise source is designed for accurately measuring devices with low noise figure, with a frequency range of 10 MHz to 18 GHz and nominal ENR 6 dB.
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Noise Source, 1 GHz up to 40 GHz
346CK40
The Keysight 346CK40 is the ideal companion to Keysight´s noise figure solutions when working on high frequency applications. Since it is broadband (1 GHz to 40 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source greatly reduces measurement uncertainty, which are commonly reflections of the test signals. This is a coaxial noise source with a 2.4 mm coaxial connector. ENR typically 14 dB at 1 GHz, decreasing to 5 dB at 40 GHz (typical).
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Microwave / RF Synthesizers, Test & Measurement
Berkeley Nucleonics Corporation
The 825-M is an agile ultra-low phase noise RF signal source from 8 kHz to 20 GHz RF Synthesizer. It is available in single-channel or multichannel configurations. A single channel 825-M is packaged in a compact enclosure, or can be ordered with a touch-screen display, or a 1U 19" rackmountable version. The multi-channel version (2, 3, or 4 channels) is packaged in a 19” 1U rackmount enclosure.
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Noise Figure Analyzer, Multi-touch, 10 MHz to 3.6 GHz
N8973B
The N8973B high performance noise figure analyzer is designed to make fast, accurate and repeatable noise figure measurements. When paired with an SNS Series noise source and U7227 Series USB preamplifier the ENR data from the SNS and USB preamplifier data automatically downloads into the N8973B.
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RF Noise Source
NS-3
The NS-3 Broadband RF Noise Generator provides an extremely flat AWGN (Additive White Gaussian Noise) signal from 5 to 2150 MHz. The output level adjusts in 0.1 dB steps over a 30 dB range.The bench-top configuration is standard and an optional two unit rack enclosure is available. The RS232 or USB remote control interface simplifies its use in automated test and factory ATE environments. The NS-3's combination of range, versatility and value make it the ideal general purpose broad-spectrum signal source for bench and ATE applications, including C/N, BER, MER, PER testing and rain fade simulation.
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Phase Noise Generator / Calibrator
PNG-A
Noise eXtended Technologies S.A.S.
The PNG-A is a high precision generator used in Test and Measurement instruments calibration. It is a Signal Generator with precisely computed phase and amplitude noise characteristics. With its wide frequency offset range, 1Hz to 1 MHz offset, and its programmable Phase and Amplitude noise in real time, this is the ideal standard to calibrate phase noise analyzers, Signal Source Analyzers and Spectrum Analyzers.
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Frequency Generation
Quartzlock time and frequency generators offer a complete range of cost effective and low noise sources for a variety of applications. These acurate time and frequency generators are used in telecoms, aviation, nautical and precision test and calibration measurement enviroments.
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Noise Source, 10 MHz to 18 GHz, nominal ENR 15 dB
346B
The Keysight 346B noise source is the ideal companion to Keysight's noise figure solutions. Since it is broadband (10 MHz to 18 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty; reflections of test signals. The 346B's high ENR, low SWR, and variety of connectors make it a general-purpose noise source. Add special option H01 for high ENR (21 dB typical) to measure high noise figure devices, or option H42 for measuring Direct Broadcast Satellite (DBS) low noise block converters.
