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Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
- Pickering Interfaces Inc.
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PXI/PXIe RF Multiplexer, Single 16-Channel, 3GHz, 75Ω, MCX
40-835A-101
The 40-835A-101 (PXI) and 42-835A-101 (PXIe) are single 75 Ohm 16-channel RF multiplexers in a single slot. It has been designed to exhibit low insertion loss and VSWR through the use of modern RF relay technology at an affordable cost. The MUX has been carefully designed to ensure excellent and repeatable RF characteristics to frequencies of 3GHz. The design of the 40/42-835A 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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Low Noise Differential Preamplifiers
Provide a high gain amplification to 1MHz with an AC output derived from a very low noise FET instrumentation amplifier. Each model has fixed gain settings of x1 (0dB), x10 (20dB), x100 (40dB) and x1000 (60dB) over a selectable bandwidths of 100Hz, 1kHz (HP), 3kHz, 30kHz, 100kHz and 1MHz (7000 model only). Noise referred to input is 7nV√Hz and common mode rejection is >100dB at 1kHz. Momentary pushbutton switches are provided that control coupling, bandwidth, gain and channel on/off selections. BNC connectors are provided for single-ended and differential input, ac output, and dc output (optional) connections.
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Infiniium V-Series Oscilloscope: 33 GHz, 4 Analog Channels
DSOV334A
33 GHz analog bandwidth4 analog channels Capture a longer signal trace with up to 80 GSa/s sample rate and 2 Gpts of acquisition memory Get the best signal integrity with low noise floor (2.09 mVrms at 50 mV/div) and lowest jitter measurement floor (100 fs)See better measurement accuracy with ENOB values in excess of 5.5 and a SFDR exceeding 50 dBC Improve your testing with the broadest range of jitter, trigger, analysis and protocol tools (featuring Precision Probe)
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NI-9269, 100 kS/s/ch Simultaneous, ±10 V, Isolated, 4-Channel C Series Voltage Output Module
781098-02
100 kS/s/ch Simultaneous, ±10 V, Isolated, 4-Channel C Series Voltage Output Module - The NI‑9269 is a channel‑to‑channel isolated analog output module. The NI‑9269 adds channel‑to‑channel isolation for increased safety and improved signal quality. Channel‑to‑channel isolation is commonly needed for applications that have multiple electrical systems, such as automotive tests, or industrial applications that are subjected to increased noise and often contain multiple ground planes.
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Dual Output AWGN Generator Line Module
458-AWGN2
The Model 458-AWGN2 is the ideal solution for injecting Additive White Gaussian Noise (AWGN) for ADSL, ADSL2, ADSL2+, and VDSL2 chip/modem/DSLAM testing applications.
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Ethernet/LXI digitizerNETBOX 16 Bit High Speed Digitizer - 250 MS/s on 2 Channels, 2 Single-Ended Inputs
DN2.442-02
The digitizerNETBOX DN2.44x series allows recording of one, two, four or eight 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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Frequency Dividers
Holzworth Instrumentation, Inc.
The HX4210 was designed as a reference output translator for Holzworth's early RF Synthesizer designs. The key design requirement was to maintain the low phase noise /jitter characteristics the 100MHz calibrated reference output signal so that it could be utilized as a 10MHz laboratory reference standard.
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EMI Tester
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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Power Supplies
CM Series
The CM-300 is perfect for those with smaller computer cases – tiny in size, but huge in effectiveness with an anti-corrosive nickel plated chassis. Within this power supply is an 80mm silent cooling fan designed to cool at maximum efficiency with the lowest noise level. And to power your CPU, the CM-300 comes with an 8 pin Xeon connector ready in a tube-tide design to keep all your wires tidy. The CM-300 is the ideal combination of power efficiency in a sleek body kit.
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Chrysler CCD Vehicle Bus Comms PC Card
SL100
The SL100 uses a standard 16450 UART with baud rate settings that makes it capable of communicating with a Chrysler CCD Vehicle bus. The SL100 uses a protected interface driver chip, as prescribed by the bus specification, to connect with vehicle peripherals in a robust and highly noise immune way. The card automatically configures to become another COM port by using the built-in O.S. drivers that are tried and tested and are optimized to work in the Windows environment.
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CATV & SAT IF Optical Receiver Module
MRS-26D
Hangzhou Huatai Optic Tech. Co., Ltd.
*Ultra low noise push-pull technology *Band width of 2.7 GHz* 46dB CNR (typ.) for NISC with OMI = 4% at –8dBm optical input power @ 1550nm* 20dBmV RF output level (-5dBm,1550nm,OMI=4%)* Very low intermodulations *Low power consumption *Small package with single-mode fiber pigtail *Integrated optical demultiplexer (WDM filer) for RF overlay applications *Monitor voltage output and output disable input
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Sound Level Meters
A sound level meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the sound level meter and acoustic measurement values are shown on the display of the sound level meter. The most common unit of acoustic measurement for sound is the decibel (dB); however, some sound level meter devices also determine the equivalent continuous sound level (Leq) and other acoustic parameters. With a portable sound level meter, industrial hygiene and workplace safety professionals can measure sound levels in multiple locations to ensure environmental conditions fall within recommended exposure limits (RELs). Some sound level meter devices can be permanently installed for continuous monitoring of sound levels at a work or job site.
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Bench Power Supply, Linear, Programmable, 1 Output, 0 V, 60 V, 0 A, 2 A
72-2715
The 72-2715 from Tenma is a single channel programmable bench 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% +5mA
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Vibration Unit Tester
BK2020B
We developed the BK2020B as an upgrade to our BK2020 to test the electrical specifications (RPM, current, drop pulse, start up voltage) of your cylindrical or coin type vibration units. You can also test vibration level, noise, isolation resistance, and the DC resistance. The DUT power supply and all measurement components are self contained, so external devices aren't needed and the tester uses DSP, making it capable of fast, highly accurate and reliable measurements. The BK2020B is very versatile. It can be set up as a stand alone machine, or used with a PC and software for access to more information, and to save the data for analysis. Either version is great on the product line but you may also use it for QA, QC and development.
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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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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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I/Q Downconverters/Receivers
In-phase quadrature (I/Q) downconverters integrate an image reject mixer, a low noise amplifier, a 90° hybrid, and an LO buffer amplifier in one package. These devices are used in receiver applications to downconvert radio frequency (RF) signals to the desired intermediate frequency (IF) while ensuring low noise and high image rejection performance.
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Automotive Electronic Stethoscope
77109
Helps to identify engine and chassis noise. Maintain all health and safety precautions whilst using on running engine. Helps to identify engine and chassis noise. Powered by a 9volt battery (not supplied). Complete with headphones and volume control. CE certificated.
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(100×130×19mm) C-Band DWDM Pre-Amplifier EDFA Module
WPA4300-FM04
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai WPA4300-FM04 series with 100 × 130 × 19mm Compact package, is a digital control circuit with DWDM full function preamplifier module. Products using the most excellent optical performance, the most advanced electronic control technology and comprehensive software features, has a wide operating wavelength range, low noise, excellent gain flatness characteristics and transient characteristics. Suitable for C-Band 44 or 88 wave wave DWDM system applications.
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Cryocoolers
DS Mini
The DS Mini cryocooler brings gas bearing technology to the mini-cryocooler market. The DS (Dual Split) features dual-opposed pressure wave generator pistons and a split cold head to reduce exported vibration and acoustic noise. The optional passive balancer will further reduce cold head vibration for sensitive applications. Both the cold head and wave generator can be mounted in any orientation. Using gas bearings in the pistons as well as the displacer, the DS maintains the core technologies of the well-established integral CryoTel MT, CT and GT cryocoolers. The DS Mini represents an advantage over flexure bearings due to its higher power density, while still offering a longer lifetime compared to rotary compressors and contact seals.
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PCI-5402, 20 MHz Bandwidth, 14-Bit Waveform Generator Device
779656-01
The PCI‑5402 can generate standard functions, including sine, square, triangle, and ramp as well as other signals like pseudorandom noise and DC signals. This function generator can generate signals from -5 V to +5 V and uses direct digital synthesis (DDS) to precisely generate waveforms.
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Noise Control And Acoustical Consulting Services
Our acoustical consultants use the latest and most advanced noise prediction and modeling software, precision sound measurement equipment and detailed acoustical analysis that enable us to help our clients achieve their project's noise requirements and goals. Contact us before your noise challenges become noise pollution problems.
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4 GHz ProBus2 Differential Probe with Dx10-SI Solder-In Tip
D410-A-PB2
- 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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PXI Dual 4 to 1 RF Multiplexer 3GHz 50 Ohm MCX
40-872-102
The 40-872-102 is a 50 Ohm 4 to 1 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 the 40-872 has been minimized by careful attention to the mechanical and electrical design.
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Event Detectors
STD Series
The STD Series Event Detectors offer test specifications associated with solder joint reliability testing but can also be used for testing other types of interconnects accordingly. Like other Event Detectors, the STD series provides continuous transient resistance detection referenced to a selected threshold resistance with a high degree of electrical noise immunity.
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CT / PT Analyzer
CTPTA-504
UDEYRAJ ELECTRICALS PRIVATE LIMITED
UDEY ‘CTPTA-504 is a comprehensive CT and PT analyzer. It’s constant voltage and current is highly stable. DSP system controls the constant voltage and current source output and amplitude. This source generates AC of 0-125V and or DC of 0-0.5A current to sample CT. The DSP system besides controlling the sources, also samples data and communicates with the internal computer. Display screen is large LCD with touch pad. The analyzer is highly accurate with high noise immunity and is very user friendly.
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NI-9252 , ±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module
786782-01
±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module - The NI-9252 is an 8-channel analog input module for CompactDAQ and CompactRIO systems. Each channel provides a ±10 V measurement range and 24 bits of resolution at a 50 kS/s sample rate. The NI-9252 features a … number of programmable hardware filters. By choosing the specific Butterworth and comb filters for your application, you can significantly reduce the noise in your system.
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PCI Express Waveform Digitizer
ATS9626
ATS9626 is a 250 MS/s 16 bit PCI Express waveform digitizer with an on-board, user-programmable FPGA. With fixed dc-coupled input range of +/- 1.25V and signal to noise ratio in excess of 72 dB, ATS9625 is an ideal solution for applications that require high dynamic range with dc coupling.
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DC Power Supplies
SG Series
AMETEK Programmable Power, Inc.
The Sorensen SG Series (hereafter SG Series) represents the next generation of high power programmable DC power supplies. The SG Series is designed for exceptional load transient response, low noise and the highest power density in the industry. With a full 15 kW available down to 20VDC output in a 3U package the SG Series leads the industry in power density. The power density is enhanced by a stylish front air intake allowing supplies to be stacked without any required clearance between units.
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Dynamic 9D Ladar
DYNAMIC 9D LADAR provides micron-level resolution while eliminating issues associated with surface reflectivity, slow data acquisition speeds, limited accuracies, restrictive incident angles, and susceptibility to production environment noise.Laser Radar systems require large sample averaging to obtain reasonable accuracy, effectively slowing data rates. API’s OFCI technology uses fast laser chirping to generate a wide spectrum for optical interference. The interference signal detected yields 100x higher sensitivity than Laser Radar.
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Audiometric Rooms - G Series Panel System
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.
