Noise Sources
create signal disturbances for the purpose of noise instrument calibration.
See Also: Pink Noise, Noise Generators
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Surface-Mount Noise Sources
Mercury’s family of surface-mount noise sources provides exceptional performance in a compact and easy to integrate package. These products are ideal for applications such built-in test and dithering circuits where the system requirements drive a need for compact, surface mount technology.
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Fullband Coaxial Noise Sources
Our line of full-band noise sources are specially designed for easy integration into microwave systems. They feature rugged construction with excellent long-term stability. In addition to the RF output choices, there are also different packages available to meet a wide range of mechanical constraints. Typical applications include jamming, radar alignment, SNR testing and general lab use.
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Noise Sources
NC1126A
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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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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10 MHz to 55 GHz Noise Sources
CNS346 Series
The Spanawave CNS346 Series is designed for precision noise figure measurement applications. The superior VSWR characteristics reduce multiple reflections of the test signals and significantly increase the measurement accuracy of most noise figure set-ups. The CNS346 Series noise sources have broadband coverage and extremely good temperature and voltage stability, for the finest noise figure meter-compatible laboratory standards. Outputs of 6, 15.5 and 22 dB ENR are available, allowing the units to accurately measure noise figures up to 20 ,30 and 36 dB respectively.
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Precision Calibrated Noise Sources
ELVA-1's calibrated noise source ISSN-XX series delivers a uniform level of noise power spectral density within the whole waveguide frequency range. Sources are available in eight waveguide bands covering 26.4-170 GHz.
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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 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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Acoustics
When it comes to selecting a microphone for product tests—whether for sound power, sound quality, or noise source location—there's no need to compromise to sacrifice quality or performance for affordability.
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1000W Ferroresonant Power Supply
Series PRR
Kepco's PRR are 1000 Watt rack mounted laboratory systems power supplies that offer the low cost and very high dependability of ferroresonant voltage stabilization.The ferroresonant stabilizing technique provides extraordinary isolation from a wide variety of source noise. It is inherently short-circuit proof and cannot expose delicate loads to overvoltage hazards. Hence no crowbar, fuses, or bounding circuits are needed. Ferroresonant power supplies use no noise-producing switches or oscillators. Voltage setting is independent of delicate control settings or diode references and requires no comparators, references, or limiters. Efficiency is 70-80%.
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Building Acoustics
Measurements to evaluate and improve Building Acoustics are typically made to analyze and design noise control from room to room, or from outside to inside. Noise sources such as music systems, televisions, appliances, traffic, aircraft, and manufacturing are all around us. The field of Building Acoustics evaluates and designs the materials and methods to insulate and isolate us all from these sound sources when we are at work, rest, or enjoying leisure time. The resulting data is useful for evaluating compliance with building codes and for proposing countermeasures for areas of concern. These measurements often involve creating and measuring an artificial sound source, and then measuring the resulting noise in receiver locations.
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Millimeter-Wave Noise Source, Q-band, 33 To 50 GHz
Q347B
The Q347B waveguide noise source (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices...
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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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Programmable Step Attenuator DC~50GHz, 0~115dB Att.
The programmable step attenuator achieves step attenuation over a wide frequency band. It features high attenuation accuracy, excellent repeatability, low insertion loss, and long service life. Its primary applications include controlling the amplitude of signals entering systems, regulating output signal power in systems, and adjusting impedance matching between signal sources and loads. It is widely used in various broadband spectrum analyzers, broadband vector network analyzers, broadband synthesized signal sources, noise figure test sets, and diverse microwave automatic test systems.
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Charger / Quick Charger / Adapter / LED Driver Test System
6010
6010 Charger / Quick Charger / Adapter / LED Driver Test System is able to meet multi-types power products test requirements，and its multi-U.U.T test simultaneously capability can significantly enhance the production line throughput. It also possess multi-modular combination that includes low noise analog AC source with Triac to simulate output, four sets precision power meter, two or four sets ripple noise / timing measurement module, four sets OVP DC power supply, 3310F series & 3332F/3336F Electronic Load module and unique design 3340F series for LED power driver output test.
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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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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.
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Sound Intensity Measurement
Sound Intensity MeasurementA perfect tool for sound intensity level measurement and noise source determination brought to an entirely new level by Dewesoft. The solution brings a simple and intuitive measurement process while offering the utmost precision and industry unmatched adaptability.
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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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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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Noise Figure Analyzer, Multi-touch, 10 MHz to 26.5 GHz
N8975B
The N8975B 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 N8975B.
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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 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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Full Band Noise Figure and Gain Test Extenders
STG-06-S1
Full band noise figure and gain test extenders are offered to extend noise and gain measuring capabilities up to higher millimeterwave frequency ranges. These extenders are designed to interface with noise and gain test systems that have an input IF of 10 MHz to 1.6 GHz, such as the industry standard Keysight 8970A/B, N8975A and Maury MT 2075B. The noise figure and gain test extenders include a high-performance, solid-state noise source (STZ series) and a full waveguide down converter (STC series), which consists of a Faraday isolator (STF series), full band mixer (SFB series), frequency multiplier, and IF amplifier. A frequency source with an output signal in the frequency range of 10 to 20 GHz is required as a local oscillator for the down converter. The noise source is automatically powered on and off by the noise figure meter.
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Noise Source Family
346 Series
This series of broadband noise sources has been designed to cover the majority of measurement applications with a range of frequencies, Excess Noise Ratio (ENR) and coaxial connector types.
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Ultra-Low Noise Filter, 42 V / 105 MA, 50 Ω
N1298B
The N1298 Series is a collection of low noise filters for the Keysight B2960 Series 6.5-digit low noise source.
