Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Product
Torsional Vibration Monitoring Systems
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Advanced Telemetrics International
Are used for Noise Vibration and Harshness (NVH) testing and analysis in automotive drivetrain, wind turbine gearbox and various other applications where measuring or monitoring rotating vibration is important. These systems are used to transmit torsional acceleration from a rotating shaft or component, while the machinery is running.
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Product
Bluetooth Enabled Signal Conditioners I/O Modules
microBlox
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Acromag's microBlox uB Series I/O modules offer a compact, high-performance solution for interfacing sensors and field devices with data acquisition systems. uB signal conditioning modules are ideal to isolate, filter, convert and amplify a wide variety of signal types for test, measurement and control systems. Just plug uB modules into 4, 8, or 16-channel backpanels in any mix for a high-density analog I/O interface. Channel-to-channel isolation provides optimal noise and surge protection from ground loops, spikes, and high common mode voltages.
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Product
NI-9227, 50 kS/s/ch, 5 Arms, 24-Bit, 4-Channel C Series Current Input Module
781099-02
Current Input Module
50 kS/s/ch, 5 Arms, 24-Bit, 4-Channel C Series Current Input Module - The NI‑9227 was designed to provide high-accuracy measurements to meet the demands of data acquisition and control applications. It includes built-in anti-aliasing filters. When used with a C Series Voltage Input Module, the NI‑9227 can measure power and energy consumption for applications such as appliance and electronic device test. You can not only measure and meter current and power but also look at quality factors such as noise, frequency, and harmonics.
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Product
Analog Summing Amplifier
SIM980
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Stanford Research Systems, Inc.
The SIM980 Summing Amplifier has four input channels that can be added or subtracted from each other. The output noise is less than 60 nV/√Hz, and crosstalk between channels is less than -80 dB. With a bandwidth of 1 MHz, a slew rate of 40 V/ms, and input offsets that are trimmed to ±100 µV, the SIM980 is extremely useful in many analog applications.
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Product
PXI Dual 4 to 1 RF Multiplexer 3GHz 50 Ohm SMB
40-872-002
Multiplexer Module
The 40-872-002 is a 50 Ohm 4 to 1 PXI RF MUX with 2 banks in a single PXI slot. It exhibits low insertion loss and VSWR through the use of modern RF relay technology at an affordable cost. Each MUX has been carefully designed to ensure excellent and repeatable RF characteristics to frequencies of 3GHz with each path having a nominally equal insertion loss. The injection of noise and unwanted signals into the signal paths of this RF MUX has been minimized by careful attention to the mechanical and electrical design.
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Product
sbRIO-9211, Non-Enclosed, 4-Channel, 14 S/s Aggregate, ±80 mV C Series Temperature Input Module
780877-01
Temperature Input Module
Non-Enclosed, 4-Channel, 14 S/s Aggregate, ±80 mV C Series Temperature Input Module - The sbRIO‑9211 includes anti-aliasing filters, open-thermocouple detection, and cold-junction compensation for high-accuracy thermocouple measurements. The sbRIO‑9211 features NIST‑traceable calibration and a channel‑to‑earth ground double isolation barrier for safety, noise immunity, and high common-mode voltage range. Non-enclosed modules are designed for OEM applications.
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Product
RF Signal Generators
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As Rigol's RF first signal source, the DSG3000 series offers standard AM/FM/ØM analog modulation, as well as options for I/Q modulation and I/Q baseband output. The instrument is available with maximum frequencies of either 3 GHz or 6 GHz. Featuring a high signal purity with phase noise measuring <-110dBc/Hz@20kHz (typical) and a wide output range of -130dBm to +13dBm, the DSG3000 RF signal generator has standard pulse modulation with an on/off ratio of up to 80dB, with optional pulse train generator available. The DSG3000 series also has an amplitude accuracy of <0.5dB (typical).
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Product
Differential Scanning Calorimeter
DSC-L600
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The Differential Scanning Calorimeter (DSC-L600) is a powerful thermal analysis instrument that measures the heat flow of a sample as a function of time or temperature. The DSC-L600 has been designed to be a cost-effective instrument that is well suited for research or QC applications. The instrument communicates with the PC via a RS232/USB connection. The specially designed heat flux plate has demonstrated more than twice the sensitivity than other heat flow type DSC’s on the market. The reproducibility is excellent, and the noise level is virtually unnoticeable due to a precision high gain, low noise differential amplifier
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Product
RF Mixers with Integrated LO
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Analog Devices RF mixers/multipliers include both active and passive, as well as broadband and narrowband, products. These devices promise high performance and flexibility to help designers achieve their target specifications, reduce design time, and optimize costs. With leading specifications including speed, dynamic range, noise figure under blocking, SFDR, and ESD performance, ADI RF mixers and multipliers help to raise the bar within RF systems.
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Product
Mini MEMS Tunable Filter With VOA
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The Optoplex mini tunable filter described is specifically designed for 100G tunable transceiver analog coherent optics (CFP2-ACO) application. The main purpose of this tunable filter is to suppress the noise to improve the sensitivity and OSNR performance.
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Product
AC/DC Current Probe, 100 MHz, 15A
N2893A
Oscilloscope Probe
The Keysight N2893A is a 100 MHz bandwidth, active current probe for InfiniiVision and Infiniium oscilloscopes. The probe features flat bandwidth (DC-100MHz), low noise(<2.5 mA rms) and low circuit insertion loss. Auto demagnetization (degauss) and calibration removes any residual magnetism and unwanted DC offset in the probe. The probe is powered directly by the InfiniiVision and Infiniium Autoprobe interface, eliminating the need for an additional power supply.
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Product
Force Balanced Accelerometer
PA-23, PA-23BH, S-230
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The Geotech Model S-230 is a high resolution, 1-component, force balanced accelerometer capable of meeting the noise and stability requirements of the most demanding seismic studies. It features a very wide frequency response (DC to 90 Hz) and an internal calibration coil. Three S-230 accelerometers are packaged as a borehole 3-component unit (Model PA-23BH) and as a surface 3-component unit (Model PA-23). PA-23BH can be submerged up to 100 m depth.
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Product
Minimal Signal Noise
SCSI Quiet Cables
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Paralan Corporation was one of the first companies to recognize that 90% of the problems with SCSI Bus installations lie with the cables. To address this problem, Paralan developed its own line of high-quality shielded Quiet Cables.
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Product
Phase Noise Analyzer
DCNTS
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Noise eXtended Technologies S.A.S.
The DCNTS is a two channel Phase and Amplitude noise analyzer. Its dual demodulator architecture allows the system to use cross-correlation to cancel its internal noise and limitation; it is like comparing the outputs of 2 systems and only display the similarities while rejecting differences.
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Product
Rack-Mounted Timing Systems
CommSync II Family
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The CommSync II family of modular systems provide GPS time and frequency outputs to meet your synchronization requirements. All systems include support for multiple input and output modules including 1PPS, IRIG, HAVE QUICK, PTTI, IEEE-1588 PTPv2, low phase noise 1, 5, and 10 MHz sine wave as well as custom outputs.These systems are available with military SAASM MPE-S GB-GRAM, SAASM Force 22E MRU or civilian C/A GPS receivers. Rubidium or OCXO oscillators provide for excellent holdover performance in the event of failure of the reference inputs. In addition, they may be configured as Distribution Time and Frequency (DTF) systems that are synchronized by an external reference. Dual Redundant systems (CommSync II & CommSync II-D) may be configured with two GPS Time & Frequency (GTF) modules and two power supply modules (AC and/or DC power) for redundancy with uninterrupted automatic switchover.
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Product
Three Axis Accelerometers
TAA
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The Inertial Labs MEMS TAA-308, TAA-315 and TAA-340 are the third generation of the Inertial Labs MEMS, three-axis high-precision accelerometers released in a stand-alone design. The TAA-308, TAA-315 and TAA-340 are revolutionary, compact, self-contained, strapdown, Navigation-grade Accelerometers that measure linear accelerations with high precision due to their unique design and developed by Inertial Labs over last 20 years several significant know-know and technics in calibrations of inertial sensors. Measured by TAA Accelerometers accelerations are determined with low noise and very good repeatability for both motionless and dynamic applications.
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Product
PCIe High-Speed Digitizer
U5310A
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The U5310A is a two channel PCIe, DC coupled 10-bit signal acquisition card providing sample rates up to 10 GS/s with 2.5 GHz bandwidth for use in a variety of advanced imaging and processing systems. Featuring unique spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) performances in high frequencies, especially at 250 mV full scale range (FSR), the U5310A ADC card is suited for embedded OEM applications requiring signal acquisition at wide bandwidth and high dynamic range.
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Product
Directional Mic.
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Our directional microphone helps you to find sources of noise easily and intuitively without any special knowledge.
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Product
NI-9216, 8-Channel, 400 S/s Aggregate, 0 Ω to 400 Ω, PT100 RTD C Series Temperature Input Module
785186-01
Temperature Input Module
8-Channel, 400 S/s Aggregate, 0 Ω to 400 Ω, PT100 RTD C Series Temperature Input Module - The NI‑9216 is a resistance temperature detector (RTD) input module. You can configure the NI‑9216 for two sample rate modes: high sample rate or high resolution. The NI‑9216 is compatible with 3‑ and 4‑wire RTD measurements, and it automatically detects the type of RTD (3-‑or 4‑wire) connected to the channel and configures each channel for the appropriate mode. The module provides per channel current excitation. The NI‑9216 features calibration and includes a channel‑to‑earth ground double isolation barrier for safety, noise immunity, and a high common-mode voltage range.
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Product
Sound Level Meter
AWA5636-0
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Hangzhou Aihua Instruments Co., Ltd.
Complies with IEC 61672 Class 2 use in Industrial Noise Surveys ; machinery, vehicles, ships and etc
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Product
High Power Narrow Linewidth Laser
AULLD series
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Amonics' high power narrow linewidth laser (AULLD series) is integrated with Redfern Integrated Optics (RIO) PLANEXTM high performance external cavity laser. It features narrow linewidth, low phase noise, ultra low RIN, high output power with exceptionally reliable performance. The turnkey microprocessor controlled benchtop AULLD provides alarms and status indicators. An integrated RS232 or Ethernet computer interface provides easy control, diagnostic functions and data acquisition. It is particularly suitable for commercial fiber optic sensing applications, such as interferometric and Brillouin DTSS sensing systems for oil & gas, security, metrology and smart infrastructure.
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Product
DCDC
GA Series
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The GA series is an economically priced 15 watt DC/DC converter featuring ultra-wide input range, efficiencies to 85% and a continuous six-sided shielded case. Low ESRcapacitors are used both on the input and the output(s) to minimize the conductive noise. Other key features include: overvoltage protection, output trim adjustability, TTL and CMOS compatible remote on/off, short circuit protection and small size. The GA series measures only 1.6” x 2.0” x 0.40” and offers a power density of 11.7 watts/cu. in.
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Product
Isolated Analog Expansion Board
MSXB 085
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The MSXB 085 Isolated Analog Expansion Board provides isolated analog inputs and isolated analog outputs for DAP systems. Use these boards to eliminate ground currents – a potential source of noise in your measurement and control signals – and eliminate timing skew.
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Product
PXI/PXIe RF Multiplexer, Dual 8-Channel, 3GHz, 75Ω, MCX
40-834A-102
Multiplexer Module
The 40-834A-102 (PXI) and 42-834A-102 (PXIe) are 75 Ohm 8 to 1 RF multiplexers with 2 banks in a single slot. They have been designed to exhibit low insertion loss and VSWR through the use of modern RF relay technology at an affordable cost. Each MUX has been carefully designed to ensure excellent and repeatable RF characteristics to frequencies of 3GHz with each path having a nominally equal insertion loss. The design of the 40/42-834A minimizes the injection of noise and unwanted signals into the signal path by careful attention to the mechanical and electrical design.
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Product
QuickLink Solder-In Starter Pack for use with Dx10 Amplifier
Dx10-QL-3SI
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- Choice of 4 GHz or 6 GHz bandwidth models- Up to 5 Vpk-pk dynamic range with low noise- ±3 V offset range- Low loading and high impedance for minimal signal disturbance- Ideal for DDR2, DDR3, LPDDR2- Deluxe soft carrying case- Innovative QuickLink architecture- Wide variety of tips and leads-- Solder-In Lead-- Optional Positioner (Browser) Tip-- Quick Connect Lead-- Square Pin Lead-- HiTemp Solder-In Lead
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Product
Noise Generator
NG 600
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The NG 500 noise generator is an external module with dual power supply for different applications: to calibrate filters, switchboards, to the distance of a fault caused by the impedance mismatch, to test the cable efficiency.
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Product
Bench Power Supply, Linear, Programmable, 1 Output, 0 V, 60 V, 0 A, 3 A
72-2720
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The 72-2720 from Tenma is a single channel programmable bench top power supply. It is a digitally controlled industrial grade power supply with load for a long time. This compact design power supply has intelligent temperature controlled fan, low noise and low ripple. It also features knob lock function to avoid improper operation. This power supply has load regulation ≤0.01% +2mV (voltage), ≤0.1% +5mA (current) and line regulation of ≤0.01% +3mV (voltage), ≤0.1% +3mA (current). The setting accuracy (25°C ±5°C) is ≤0.5% +30mV (voltage), ≤0.5% +10mA (current).
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Product
Taper System, CCD Beam Imaging Camera
TaperCamD series
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355 to 1150 nm, standard CCD detectorHyperCal Dynamic Noise and Baseline Correction software (Pat. Pending)CTE Comet Tail Elimination for > 900 nm (Pat. Pending)Port-powered USB 2.0; flexible 3 m cable, no power brick14-bit ADC, 4 MB image buffer & on-board microprocessorWindow-free sensors standard for no fringing25,000:1 electronic auto-shutter, 40 s to 1000 ms1,000:1 SNR (30/60 dB Optical/Electrical)
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Product
PXI-6230, 8 AI (16-Bit, 250 kS/s), 4 AO, 6 DI, 4 DO, Bank-Isolated, PXI Hybrid, Multifunction I/O
779616-01
Multifunction I/O
8 AI (16-Bit, 250 kS/s), 4 AO, 6 DI, 4 DO, Bank-Isolated, PXI Multifunction I/O Module—The PXI‑6230 is a bank-isolated DAQ device designed for voltage I/O. It offers analog I/O, digital input, digital output, two 32‑bit counters, and digital triggering. The digital input and outputs are compatible with 5 V TTL/CMOS signals. It combines the safety and performance benefits of isolation with high-performance timing, amplification, and calibration technologies to offer accurate measurements and precise control. The PXI‑6230 is ideal for test, measurement, control, and design applications in environments with high voltages and electrical noise. You can use the PXI‑6230 to read from encoders, flow meters, and proximity sensors as well as control valves, pumps, and relays.
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Product
mAEStro Audio Analog to Digital Converter
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The mAEStro AADC-100 accepts balanced stereo analog audio inputs and converts them into a single digital bit stream in compliance with the AES/EBU (AES3) and S/PDIF digital audio standards. It generates 24-bit values and uses 128 times over-sampling for extremely accurate and linear analog to digital conversion, as well as offering a high dynamic range with exceptionally low total harmonic distortion and noise.
