Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Product
Infiniium MXR B-Series Real-Time Oscilloscopes
MXR B-Series
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Keysight's Infiniium MXR B-Series oscilloscopes have hardware-accelerated, automated analysis tools, extra-low, front-end noise, and uncompromised performance so engineers can test faster, shorten time to market, and design without compromise using an oscilloscope that delivers dependable results.
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Product
Embedded Synchro - Resolver -
LVDT I/O Cards
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Computer Conversions Corporation
100% Transformer Isolation is offered for all AC I/O, and various Isolated DC converters are available as standard product, eliminating concerns for ground-loops, ground interjected (intermittent and ghostly) field noise, inductive surges, differing potentials, and high voltage field transients from effecting the card itself, the sensitive ISA bus backplane and any other device or system sharing these signals.
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Product
Single Phase Lock-In Amplifier
SR510
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Stanford Research Systems, Inc.
The SR510 and SR530 are analog lock-in amplifiers which can measure AC signals as small as nanovolts in the presence of much larger noise levels. Both the single phase SR510 and the dual phase SR530 have low-noise voltage and current inputs, high dynamic reserve, two stages of time constants, and an internal oscillator.
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Product
complete 1/2 inch Type 1 Measurement Microphone System
PS9200KIT
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A complete 1/2 inch Type 1 measurement microphone system. Available in 1 Inch and 1/4 Inch versions. The heart of the KIT is the 1/2 inch Type 1 measurement microphone. A selection of 4 different 1/2 inch capsules is offered. These include models with frequency responses to 40 kHz, noise floors of 12 dBA in both free field and pressure versions. Microphone sensitivities range from 12 to 50 mV/Pa.
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Product
USB-8451, 250 kHz I2C, 12 MHz SPI I2C/SPI Interface Device
779553-01
Interface Module
The NI USB‑8451 is a master interface for connecting to and communicating with inter-integrated circuit (I2C), System Management Bus (SMBus), and serial peripheral interface (SPI) devices. With plug‑and‑play USB connectivity, the USB‑8451 is a portable solution to communicate with consumer electronics and integrated circuits. It also includes eight general-purpose digital I/O lines for a variety of applications, such as configuring the address of I2C devices or toggling LEDs. The USB‑8451 can be physically located more closely to I2C/SPI devices than PCI interfaces, reducing I2C bus length and minimizing noise problems. Additionally, the interface provides +5 V and GND to power circuits with no external power supply.
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Product
High-Speed Precision SMU (100 FA, 60 V, 15 MSa/s)
PZ2121A
Source Measure Unit
The Keysight PZ2121A is a high-speed precision source / measure unit (SMU) featuring best-in-industry narrow-pulse width, fast Digitizer Mode, and seamless current measurement ranging. It enables narrow-pulsed measurements and fast dynamic measurements with a wide dynamic range for a wide range of emerging applications such as vertical-cavity surface-emitting laser (VCSEL) optical devices, integrated circuit (IC) testing. In addition, its low measurement noise performance enables measurements with shorter aperture times, and its seamless current measurement ranging function enables a wide dynamic range and eliminates range change time, which improves test throughput.
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Product
NIST Calibration for D420-A
D420-A-CCNIST
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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
Programmable Linear Dc Power Supply
DP700 Series
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DP700 is a basic power supply product designed for users with lower cost and smaller size and high reliability. It has low ripple noise, fast transient response, excellent power supply and load regulation rate, powerful timing output function and complete protection function.
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Product
40mA One-Channel Amplifiers
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Piezo amplifiers/controllers are designed for high precision low to mid-speed positioning of low-voltage piezo actuators. These amplifiers are tuned for extremely high output stability and extremely low signal noise at the output. A low amplifier signal-to-noise ratio is very important because it determines the total resolution of the actuator. The nearly unlimited resolution of piezo-electric actuators using these amplifiers results in ultra-precise movement.
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Product
Midi Logger
GLT400
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*Transferring data to PLC via Modbus/TCP protocol*DC Power only for -20 to +60 operation*Supports WEB server, FTP server and FTP client network functions for remote monitoring and controlling*High Isolation inputs to ensure signals are not corrupted by noise from other channels*Connect as a remote terminal unit of GL840
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Product
Signal Analysis
Cross-Spectrum FFT Analysis
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The program Cross narrow-band spectrum is used for evaluation of the interrelation between the signals’ parameters obtained from the two primary transducers installed at various parts of the controlled object. This program can be used for detection of noise source location, for sound absorption level evaluation and the researched object acoustic properties control, for evaluation of space-time distribution of the directional energy flux (Poynting vector), for the ground cross-section FR characteristic evaluation (Nakamura method), etc.
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Product
Pulse Function Arbitrary Noise Generator
81150A
Arbitrary Waveform Generator
1 - 120 MHz pulse generation with variable rise/fall time1 - 240 MHz sine waveform output14-bit, 2 GSa/s arbitrary waveforms512k samples deep arbitrary waveform memory per channel Noise with a selectable crest factor and signal repetition time of 26 days FM, AM, PW, PWM, FSK modulation capabilities up to 10 MHz1 or 2 channel, coupled and uncoupled Differential outputs
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Product
EMI Tester
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The EMI tester automatically measures the noise distribution of the electric field and the magnetic field radiated from electronic equipment with high accuracy.・ Even if PCB and IC parts have complicated bumpy shape and surface. The movable assembly can automatically trace them.・ EMI noise distribution is expressed as a variety of maps, such as 4D/3D/2D graphics and cross section view.
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Product
Channelized Down-Converter
DCV Series 5” x 2.5” x 0.6”
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*Connectorized Package *Wide Choice of Frequency Ranges *Integrated Filters *Gain Control *L-Band to 70 MHz IF Range Available *L-Band to 140 MHz IF Range Available *CAN, RS-232, I2C, or SPI Control *Internal / External References *Custom Designs Available *Low Power Consumption *Low Phase Noise *Low Spurs
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Product
HFC 4 Ways Return Path Optical Receiver
HR2040A, HR2040B
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Hangzhou Huatai Optic Tech. Co., Ltd.
HR2040 series HFC four ways return path receiver can convert upstream optical signal to RF signal at the head-end and remote control center. Four independent receivers integrated into a 1RU 19” casing to supply service for HFC network terminal. Receiver's low noise design, -22dBm receive sensitivity can provide service to farther place. There are two versions of this receiver. HR2040A with LCD on the front panel, HR2040B without LCD. All receivers are temperature tolerance type can be installed in any network surroundings including out-door type. Both of these two types can adopt SNMP function which can control the front panel to realize optimization work at the head-end and remote installment.
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Product
Band Pass Filter
PA72BPF
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The PA72BPF daughter board is an additional filter board. It typically contains two selectable differential 3rd order elliptic band pass filters. These filter modules are tailored by Applicos to the customers’ requirements. The filters can be used to filter the output signal of the generator daughter boards to achieve an even better distortion and noise suppression.
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Product
Flex Power Pistol Grip Non Shut-Off Pulse Tools
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The non shut-off pistol grip pulse tools are ideal selection when the operator needs to control the fastening process. The pistol grip models are commonly used for vertical operations. Designed for safe, reaction free operation for various industrial assembly applications. The FlexPower Pulse Tools provide operators with an industry leading power-to-weight ratio, allowing for a smaller tool selection for greater torques giving operators a lighter tool with more torque capability. Ergonomically safer than harmful hammering and vibration of impact wrenches. Built for durability with a superior O-ring design and specially designed pulse fluid FlexPower extends life between regular oil changes and provides more torque stability. Offers comfortable rubberized non-slip grips for easy handling and excellent thermal ergonomics. Low noise decibels, minimal vibration and low torque reaction. It is important to understand your joint application before a selecting a pulse tool.
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Product
Bench/System Silent DC Power Supply With Mixed-mode Regulation - Single Output Up To 360 Watts, With/without Remote Interfaces
TSX Series
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Compact & lightweight power supply0 to 18V at 0 to 20A or 0 to 35V at 0 to 10ABench or rack mounting, front & rear terminalsSilent fan-less convection coolingVery low noise, excellent transient responseComprehensive protection including OVP tripHigh setting resolution, remote sense terminalsAnalogue controls
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Product
15 Amp 120 VAC Filter and Surge Arrestor
AS-AC15
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- 15 amp 120VAC quad outlet for high power devices- Resettable circuit breaker protection, easy to use and reset- I EA standard input plug and #14 GA AC line cord for USA - standard interface- MOV surge arrestors included - for even more protection- High level of common mode and differential mode filtering digital noise and RF filtering eliminates- digital artifacts and RF interference - See chart- Front Panel Neon Blue AC ON indicator - just plain cool to look at, not too bright!- Double shielded box inside - for optimum filtering operation- Size 6W X 4H X 4 3/4 D in inches approx 3 lbs
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Product
Signal Generator
8002
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25C, hysteresis eliminated. To within 10 MHz of the final frequency. Normal switching mode, SSB phase noise will be degraded in the fast switching mode.
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Product
EasyQRCode
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Automatic detection of the code in the imageDecodes model 1 and model 2 QR codes, all versions, all levelsDecodes Micro QR codesVery fast operationImpressive robustness to noise, blur and distortionError detection and correctionRotation and flipping invariantPrint quality verification with grading standardsMultiple codes reading
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Product
sbRIO-9265, Non-Enclosed, 4-Channel C Series Current Output Module
780921-01
Current Input Module
Non-Enclosed, 4-Channel C Series Current Output Module - The sbRIO‑9265 is ideal for interfacing and controlling industrial current-driven actuators at high rates. The module has built-in open-loop detection, which generates an interrupt in software when an open loop is detected as well as zeroing outputs to ensure safety and avoid driving actuators at system power on. The sbRIO‑9265 requires an external power supply and includes a channel‑to‑earth ground double isolation barrier for safety and noise immunity. Non-enclosed modules are designed for OEM applications.
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Product
Thick Film Passive Element
GBR-183
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GBR-183 series resistors are made in a thick film technology, on ceramic substrates(Al2O3 -96%). Thick film resistors are characterized by a higher stability, and lower noises than a typical carbon resistors. The whole of resistor is encapsulated with epoxy resin by fluidization process. GBR-183 series elements are used both for general, and professional applications.
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Product
NI-9208, 500 S/s, ±20 mA, 16-Channel C Series Current Input Module
785041-01
Current Input Module
500 S/s, ±20 mA, 16-Channel C Series Current Input Module - The NI‑9208 is designed with industrial systems in mind. It includes a high-resolution mode with 50/60 Hz rejection to remove low frequency noise. It has high-channel density to reduce the number of modules needed, which leaves slots open for other measurement types or for reducing the overall per channel cost of the system. The NI‑9208 uses a standard D‑SUB connection for use with cables and connector blocks.
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Product
Ethernet/LXI digitizerNETBOX 16 Bit High Speed Digitizer - 250 MS/s on 24 Channels, 24 Single-Ended Inputs
DN6.442-24
Digitizer
The digitizerNETBOX DN6.44x series allows recording of up to 24 synchronous channels with sampling rates of 130 MS/s up to 500 MS/s. These products offer outstanding A/D features in resolution, bandwidth and speed as a remote instrument. The powerful A/D amplifier section offers six different input ranges, two input paths, AC/DC coupling and noise reduction filters.
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Product
Downconverter for the 21cm Bandvalon
2100
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1440MHz inputLow noise figure LNA 0.3dB 20 KHigh gain >40dB8-pole ceramic dielectric input filterHigh dynamic range, low-spurious responses Rugged milled aluminum housingRFI shielded constructionDesigned for use with Valon 5009 as LOSuitable for hydrogen line observation and general radio astronomy in the 21cm band.6Vdc @ 400mAIncludes 20” dc power supply cable
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Product
Saluki SE2031 DSP Lock-In Amplifier
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SE2031 Digital Lock-in Amplifier provides an excellent performance within its bandwidth from 1 mHz to 10 MHz. With the advantage of the latest digital signal processing technology and high-speed 16-bit ADC, SE2031 can easily detect the phase and the magnitude of weak signals overwhelmed by various large noise. The performance of SE2031 is as good as other lock-in amplifier brands, even better in some certain parameters, such as measurement accuracy, SNR, dynamic reserve. Otherwise, SE2031 integrates some special functions like multiple harmonic measurement, which meets the needs of scientific research and industrial application well.
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Product
C Series Current Input Module
Current Input Module
The C Series Current Input Module features programmable input ranges, variable connectivity options, and built-in noise rejection. You can also choose from options with built-in anti-aliasing filters or high-channel density to reduce the number of modules needed. The C Series Current Input Module supports safety features, certifications, input ranges, overvoltage ranges, and connectivity for applications such as power quality monitoring and metering, utility pole-mounted smart switches, utility pole-mounted smart grid reclosers, substation merging units, industrial machine measurements, health monitoring, predictive maintenance and prognostics, and phasor measurement units (PMUs). The C Series Current Input Module includes the NI-DAQmx driver and configuration utility that simplify configuration and measurements. NI-DAQmx supports NI programming environments as well as Python, ANSI C, C#.NET, and MathWorks MATLAB® software.
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Product
Noise Figure Analyzers
NFA Series
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Optimize for noise figure using the NFA Series of high performance noise figure analyzers, which are designed to make fast, accurate, repeatable measurements. Key features include the simple user interface, graphical display, data storage, selectable bandwidths and on screen limit lines for pass/fail testing. With the NFA Series reliable measurements up to 40 GHz are now available in a single instrument.
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Product
Audiometric Rooms - G Series Panel System
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Eckel Noise Control Technologies
Eckel offers a wide range of standard rooms and custom-made suites to meet audiological clinical and research requirements. All combine high performance, versatile design and economy. Eckel acoustically engineered G-Panel construction affords excellent noise reduction. Choose from 19 demountable (G-Series panels) standard models and custom-made rooms for your specific needs. Rooms are easy to install, easy to take down and move.
