Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Measurement Power Amplifier
Qam
The amplifier is DSP controlled, with a very straightforward operation. Included is a white/pink noise signal generator. The internal signal module provides low crest noise signals to be able to reach high power levels from sound sources or electromagnetic shaker. External input of signal is equally possible, with spectral linearisation or without. This can be used for music, RASTI or any other signal
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Sound Level Meter
831C SoundAdvisor
The SoundAdvisor Model 831C Sound Level Meter is designed to make noise measurement easy. Due to its color display, connectivity, extensive software features and small form factor the SoundAdvisor is an ideal choice for handheld operation. Attended measurements are simplified, with the ability to control and monitor data via any PC or mobile device with a standard web interface. Designed with the acoustic professional in mind, the SoundAdvisor offers an elegant solution for complex needs in an easy to use system.
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Power Supplies and Sources
DC Power Supplies
DC power supplies are commonly used in electronics design, battery charging, electrical vehicle, research labs and education sectors. UNI-T offers both programmable and non-programmable power supplies with features such as low ripple and noise, constant voltage/current, overload protection, and more.
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Services
By working in this way to help meet our customers’ needs, we have developed more than 30 models and over 900 finished goods. That gives you more detector choices, by far, than you will find from any other supplier. These provide the core products we customize for our customers. There’s no “one size fits all” here. With Dexter detectors, you will not need to compromise on noise, sensitivity, size, and durability. Instead, we have just the right component to help optimize performance for your sensing application.
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3D RF Noise Measurment System
EMI-360
3D RF Noise Measurement System EMI-360 to realize the new EMC measurement.EMC measurement is possible to realize a low-cost and time reduction.
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Phase Noise Measurement Solutions
Keysight offers dedicated phase noise measurement solutions to simplify your measurements and maximize your efficiency. Building on 30 years of low phase noise and RF design and measurement experience, our innovative solutions are designed to provide the most accurate phase noise data possible, and are economically tailored to fit your specific performance and application needs - now and well into the future.
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TX Ranger
4405200
The TX Ranger is a hand-held Time Domain Reflectometer (cable fault locator) with a first range of 2.5 meters combined with a 1.3 Nano second pulse width gives a blind zone of only 5 cm, it makes this the ideal product for fault location on short cable assemblies and harnesses. Small and intermittent faults can be easily identified by using the selectable gain control allowing trace amplification of up to 7 times and when set to scan lock mode the advanced noise reduction software may be selected allowing the user to select between 8,16 and 32-point trace averaging further enhancing the clarity of the trace by reducing electrical and environmental interference.
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MXG Signal Generators
On the path to better performance, the Keysight's MXG signal generators are fine-tuned signal sources in R&D measurements. Whether you’re pushing for a linear RF chain or an optimized link budget, the analog and vector MXG models deliver the performance and capabilities you need: phase noise, ACPR, channel coding, and more.
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Brake Test Systems
GIANT 9000 Series
The major test target is to detect noise and vibrations generated by the vehicles brake. Our intention was to build a dynamometer that can operate either with brakes mounted to the complete vehicle, or with just the axle module mounted to a universal adaptor system or wheel suspensions.
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RF Upconverters
SignalCore offers traditional multi-stage and single-stage RF upconverters, and Direct IQ modulators that feature low phase noise, high dynamic range, wide bandwidth, and continuous tuning. SignalCore RF upconverters are compact and built for mechanical robustness and ruggedness. Applications include various test and measurement applications such as those in point-to-point radio, wireless communication, ATE, and software-defined radio. All products are provided with a Graphical User Interface (GUI), driver, and API for easy programming control.
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RF/Microwave Test Capability
Teledyne Labtech have extensive microwave alignment and microwave testing facilities. This includes the ability to test noise figure, S-parameters and harmonics. This ensures that Teledyne Labtech can supply a fully compliant product and provide a complete turnkey microwave assembly and test solution.
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HandyScope HS6-DIFF With SafeGround & SureConnect: 200 MS/s, 250MHz BW, 4 Channel (256MS/ch), USB Differential Digital Storage Oscilloscope, Spectrum Analyzer, Voltmeter, Transient Recorder
HS6-DIFF-200XMSG-W5
The only oscilloscope in the world that has:- SafeGround, differential input channels that can be switched to single ended.-SureConnect, auto-detects a true connection between the probe tip and the device under test.- CMI interface.- USB 3.0 interface, 5Gb/s data transfer- Lowest noise
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DC Power Supply
PW-4033
*4 digits, 4 display*Tracking operation*Low Ripple & Noise: ≦0.4mVrms*High Resolation Read out: 10mv/1mA*10 Turn VR for Voltage and current Setting*Triple output: 0-30V/0-3AX2 ,5V Fixed/0-3A
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USB Preamplifier, 100 MHz to 26.5 GHz
U7227C
The U7227C, 100 MHz to 26.5 GHz USB preamplifier is designed to bring reliable gain and low noise figure to measurement systems improving the overall system performance and reduce systematic errors; a total solution to the X-Series signal analyzers to perform noise figure measurement
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Real-time RF Channels Simulator
RF-LiveSim
Covering a frequency range from 50 to 900 MHz, RF Live Simulator can emulate RF channels propagation modes in real-time for a signal bandwidth from 20 kHz to 20 MHz (gaussian noise, multipath, Doppler and frequency drift tools). RF-LiveSim is a cost effective solution for intense automatic non regression tests at the physical layer level. RF-LiveSim includes 1x RF input and 1x RF output ports, and provides a complete set of channel models, either for fixed or mobile propagation environments. Whatever the standard, any type of receiver can be tested. Thanks to its real-time process, from your basic original signal, RF-LiveSim can perform, for instance, efficient regression testing of LTE solutions to check the good behavior and the limits of your receiver when multipathes, Doppler and Gaussian noise are applied.
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Zero Bias Schottky Detectors
Fairview Microwave’s line of coaxial packaged zero bias Schottky detectors feature matched inputs for excellent VSWR, voltage sensitivity levels that range from 100 to 500 mV/mW for small signal detection, negative video output polarity, and can withstand maximum input power levels up to +20 dBm CW. Operating temperature range covers 0°C to +90°C and storage temperature of -65°C to +125°C. These zero bias Schottky detectors utilize compact cylindrical package outlines that are made of passivated stainless steel and offer a variety of popular input/output SMA and BNC connector configurations that make them ideal for use with precision test and measurement, instrumentation, and subsystems assemblies. Numerous applications include power measurement, leveling pulsed signal sources, AM noise measurements, radar or missile guidance systems, monitoring system level performance, and pulsed RF measurements.
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One Port Vector Network Analyser
TE3001
The TE3001 One Port Vector Network Analyser is built for the professional who understands the calibration process and has a network analysis task to perform. The unit features a larger output signal than the TE3000 for better noise immunity, and is supplied with a 6 piece custom calibration kit to remove the effect of test fixtures and cables. Together, these features make the TE3001 ideal for broadcast and plasma applications that require a length of cable for connection and may be high in noise or interference.
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Ultra-Low Noise, Precision Voltage Reference
ISL21090
The ISL21090 is an ultra-low noise, high DC accuracy precision voltage reference with a wide input voltage range. The ISL21090 uses Renesas' advanced bipolar technology to achieve sub 1.0µVP-P (1.25V option) 0.1Hz to 10Hz noise with an initial voltage accuracy of 0.02% (2.5V option).
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Coaxial Probes
Smiths Interconnect offers the industry's most extensive line of high reliability coaxial probes. Our coaxial probes provide a low noise, controlled impedance signal path with reliable and easy connect/disconnect options.
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Signal Generator
8006
Normal switching mode, SSB phase noise will be degraded in the fast mode. 5 digit BCD, 1 latch control line, 25 pin female, D type connector
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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.
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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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Manual Tuners
Manual tuners are used both in the laboratory and as system components to establish or transform impedances for a number of applications. They can be used to establish optimum source or load terminations for device characterization, normalize a source or load for precision laboratory measurements and/or calibrations (noise, power, etc.), and can act as a matching transformer between a mismatched source and a mismatched load.
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Powered VXI Crates
VXI-C Size 6021
WIENER C-size VXI mainframes of the 6021 deliver highest performance and reliability. Incorporating high density & lowest noise power supply technology the 6021 VXI series is the best choice for any demanding test and measurement VXI application.
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Sound Level Test System
In a world where precision and performance rule, measuring and controlling sound levels can be crucial to the success of your product or project. The team at Integrated Test & Measurement (ITM) have developed a customized solution that not only measures and collects sound-level data, but will help your team identify the specific components causing all that noise.
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BCI Tester
Test scenario creation function of BCI test.・Test scenario auto-run feature.・Test results file generated automatically. (CSV file: can be customized)・CAN / LIN communication function, data logging. (FlexRey available)・Power I/O, ECU I/O control functions, data logging.・Anomaly detection function display.・Noise detection function.
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Data Acquisition System
System 730
System 730 eliminates the errors caused by phase shift and skew between channels while maintaining state-of-the-art accuracies of +/- (0.02% FS + 2uV). Quality data acquisition systems include multi-pole filters to attenuate noise and prevent aliasing but skew and phase shift differences between channels can cause errors that eclipse the magnitude of all others.
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Noise Figure Analysis Using NI PXI RF Test Instruments
NI-RFmx Noise Figure
Measure noise figure, gain, Y-factor, effective temperatures, hot and cold power, and moreOptimized calibration and measurement routines for multi-DUT test using Y-factor and cold sourceSupports the PXIe-5668R 26.5 GHz VSA, the PXIe-5698 26.5 GHz preamplifier, and VSTsDesigned for use with industry-standard noise sources such as the Noisecom NC346 Series
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PXI-4461, 204.8 kS/s, 2-Input/2-Output PXI Sound and Vibration Module
779687-01
204.8 kS/s, 2-Input/2-Output PXI Sound and Vibration Module—The PXI‑4461 is designed for sound and vibration applications. It provides two-channel dynamic signal generation and two-channel acquisition, and you can use one of six gain settings to configure your input range. The PXI‑4461 also includes software-configurable AC/DC coupling and IEPE conditioning. The PXI‑4461 includes the hardware and software needed to make precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. Common applications include audio test; automotive noise, vibration, and harshness (NVH); and machine condition monitoring.
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Accelerometers
Columbia Research Laboratories
The force balance accelerometer has a classical critically-damped, second-order frequency response. There is no peaking in the response but simply a smooth roll-off above the natural frequency. This property along with the excellent characteristics of the "HP" torquer design makes Columbia accelerometers the best choice for demanding applications where precise DC and near-DC measurements are needed in demanding shock and wide band vibration environments. Columbia force balance accelerometers are available to cover virtually all applications. Low noise, high output units can be used for seismic structure motion studies while miniature, high range versions are optimum for measuring more violent high G environments encountered in many industrial, aircraft and missile applications.
