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Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
- Applied Instruments, Inc.
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Handheld Broadband Noise Generator
NS-1
The Model NS-1 is a handheld broadband white Gaussian noise source. It generates a wide, even, RF noise-signal. The NS-1 is popular for testing network components and aligning a building's coaxial cable network. The NS-1's noise-signal is also used to provide the RF source for measuring insertion loss of cable, splitters, taps and more.
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Energizer BLUE Vibration Exciter for Buzz, Squeak & Rattle (BSR) Testing
Energizer Blue Vibration Exciter
The Energizer BLUE Series is part of a family of extremely quiet vibration exciters. The Series is ideally suited for the support of subjective and objective BSR evaluations according to industry test specifications, such as GMW14011, GM7293TP, BMW PR311-2 or PSA “Specification bruit parasites”, as well as several Hyundai Engineering Standards. With availability in four unique models and sizes, the Energizer Series is expressly designed to support such evaluations, while reducing the risks of measurement uncertainty caused by unwanted vibration exciter noise occurring within the BSR test environment.
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PXI Dual 4 to 1 RF Multiplexer 3GHz 50 Ohm MCX
40-874-102
The 40-874-102 is a 50 Ohm 8 to 1 RF multiplexer with 2 banks in a single PXI slot. It has 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 with each path having a nominally equal insertion loss. The injection of noise and unwanted signals into the signal paths of the 40-874 has been minimized by careful attention to the mechanical and electrical design.
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PXI-6236, 4 AI (16-Bit, 250 kS/s), 4 AO, 6 DI, 4 DO, Bank-Isolated, PXI Multifunction I/O Module
779622-01
4 AI (16-Bit, 250 kS/s), 4 AO, 6 DI, 4 DO, Bank-Isolated, PXI Multifunction I/O Module—The PXI‑6236 is a bank-isolated DAQ device designed for current 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‑6236 is ideal for test, measurement, control, and design applications in environments with high voltages and electrical noise. You can use the PXI‑6236 to read from encoders, flow meters, and proximity sensors as well as control valves, pumps, and relays.
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High Voltage Linear Power Supplies Bipolar 4-quadrant, Analog/Digital/Local Control, Ultra Low Ripple/Noise
Series BOP-HV
The Kepco Model BOP 500DM and BOP 1000DM are high voltage power sources, up to 500V or 1000V, respectively. These combine the capabilities of fast programmable power supplies with a Class A output stage, which can respond bidirectionally from zero. The BOP-HV can be operated in either a "voltage stabilizing" or "current stabilizing" operating mode (selectable by a front panel switch). These power supplies offer ultra low noise and ultra low ripple at the output and are MIL-STD-461 compliant.
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550W to 2000W - Single Output / Multiple Output
QM Series
*Up to 18 Outputs*Full Medical Isolation (MOPP)*Low Speed, Low Audible Noise Fan*Industry Leading Flexibility*7 year warranty*Suitable for B and BF rated equipment*PMBus™ communication option
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Optical Probes - Low Bandwidth
Depend on Tektronix to provide you with performance you can count on, and industry-leading service and support.*Broad Wavelength Response 500 to 950 nm or 1100 to 1700 nm*High-bandwidth DC up to 1.2 GHz*High Gain 1 V/mW*Low Noise <11 pW/√Hz*Probe Connects to DPO7000*1 and DPO/DSA/MSO70000*2Series*SONET/SDH and Fibre Channel Reference Receiver Performance
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Basic Quad J-Type Analog Thermocouple Amplifier
SEN-30103-J1
Analog thermocouple amplifier board based on the AD849x from Analog Devices (successor of the AD597). This quad-channel thermocouple board converts the very low voltage signal from a thermocouple to a highly-linear, 0.005V/C output with either 0V or 1.245V offset (both configurations stocked) while removing unwanted noise from the signal. Many supply and output configurations are available with this board, though the PCB was designed with Arduino in mind. Specifically, the output header will plug directly into a standard Arduino Uno or Mega, with a pin-for-pin match for power supply, ground and analog outputs. With a 5V Arduino, temperatures from 0C to 1,000C are possible with the 0V offset board and -249C to 750C with the 1.245V offset board. If using a 3.3V microcontroller (Due, etc), the board must be supplied with no more than 3.3V to avoid damaging the microcontroller. Temperature measurement range is dependent on the supply voltage. It is possible to supply the board with higher voltages to allow temperature measurement over the entire operating range of the K-Type and J-Type thermocouples, allowing use with more capable data acquisition equipment.
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Special / Customer Spec. Crates
6U VME64x NIX-I
The low-cost / industry standard VME64x NIX-I series, provides basic, full size VME crates with low noise 6000 series based power supply technology and a removable fan tray.
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Small, High Performance InGaAs Camera With Low Noise And High Dynamic Range
Wildcat 640 Series
The Wildcat 640 series is based on an in-house developed, temperature stabilised InGaAs detector with a 640 x 512 pixel resolution. The Wildcat 640 cameras are offered with high frame rate of up to 220 Hz. The camera comes with a CameraLink or USB3 Vision interface and features low weight and power.
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High-Speed Precision SMU (100 FA, 60 V, 1 MSa/s)
PZ2120A
The Keysight PZ2120A is a cost-effective, high-speed precision source / measure unit (SMU) featuring best-in-class 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 and 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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Sound Meters
Sper Scientific sound meters include all the features and functions needed for basic noise level surveys or to meet the requirements for OSHA compliance, community noise ordinances or machine noise evaluation. These sound meters are used by: Industrial Hygienists, Sound Engineers, Construction Engineers, Municipal Code Enforcement officials, Industrial Quality Control, Environmental Scientists, and many more.
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96-CH 12-Bit 3 MS/s High-Density Analog Input PCI Express Card
DAQe-2208
ADLINK DAQe-2208 is an high-density and high-performance analog input card. The device can sample up to 96 AI channels with different gain settings and scan sequences. It makes them ideal for dealing with high-density analog signals with various input ranges and sampling speeds. These devices also offer differential mode for 48 AI channels in order to achieve maximum noise elimination.
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Amplifiers
low noise wideband current amplifiers (current to voltage converter) with a high gain and wide frequency band.CA261F2 and CA-461F2 are low noise voltage amplifiers which realize high precision signal processing and high density mounting by using single-in-line package which has six-surface strict shield.
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Minimal Signal Noise
SCSI Quiet Cables
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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High and Low Temperature Humidity Chamber
GDJS/GDJW
•The chamber is produced by SUS304 Steel, the temperature keeping material is produced by Polyurethane hard foam and ultra-fine fibre glass, the doorframe heat insulated by Double high temperature aging silicone rubber door sealing strip. •The temperature controller is used by Korean TEMI display in English/Chinese and German Siemens PLC, it can be communicated to PC via RS-232. The temperature accuracy is 0.1℃ and humidity is 0.1%R.H •The temperature sensor is platinum PT100 Ohms/MV resistor •The heating system is full separately system which produced by Nickel chromium alloy electric heating type heater •The cold system is applied by fully enclosed fan cooled single-stage and cascade refrigeration mode, the compressor is from France TECUMSEH brand which can allow you get after sales support from many countries •The cyclical system is applied by High temperature low noise air conditioning type motor and Multi blade centrifugal wind wheel •The safety self-protection function include Electric leakage, short circuit, over temperature, motor overheating, compressor pressure, overload, over-current protection •Working Power: AC380V±10% 3phases and frequency 50Hz/60Hz •Working Environmental: Temperature is 5℃～+30℃ Humidity ≤85%R.H
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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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Precision DC Power Module, 20V, 50A, 300W
N6763A
The Keysight N6763A is a 300W precision DC power module that provides low noise, and precise control and measurements in the milliampere and microampere region with the ability to simultaneously digitize voltage and current, and capture those measurements in an oscilloscope-like data buffer. This module is used in both the small, multiple output 1U high N6700 Low-Profile Modular Power System (for ATE systems) and the multiple output N6705 DC Power Analyzer (for bench testing). GPIB, LAN, USB and LXI compliance are standard. Select from more than 30 different DC power modules ranging in capability from basic to high precision, and in power from 20-500 Watts.
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Power Line EMI Adapters
How much EMI noise is on your power lines indeed? How to assess the levels of noise and its properties when it is obviously a bad idea to connect your oscilloscope or a spectrum analyzer directly to your power lines?Our EMI interface adapters provide a barrier for high mains voltages but a straight passage for high-frequency signals so that you can connect your sensitive instrument to power lines for analysis and quantification. We offer plug-in and hand-held adapters which can measure both differential ("normal") and common-mode noise.
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Sound Level Meters & Calibrators
A sound level meter, also known as sound pressure level (SPL), decibel (DB) meter, noise meter or noise dosimeter is mainly used for measuring sounds travelling through air. It is used to test noise or sound levels by evaluating sound pressure. It uses a microphone to capture sound and the sound is then evaluated in the device. It is commonly used to prevent loud noises to create a better work environment.
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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.
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Power Distributor / Conditioner
AV-P Series
The AV-P series is a power distributor / conditioner lineup that can improve the sound quality of audio equipment by supplying clean power with two types of noise filters.
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6 GHz ProBus2 Differential Probe with Dx20-SI Solder-In Tip
D620-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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Environmental Noise Monitors
Our noise monitoring equipment is used across a wide range of applications and location. Each of these systems has been designed to meet the exact needs of the user by combining noise monitors with a software and support package.
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Channelized Down-Converter
DCV Series 5” x 2.5” x 0.6”
*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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GPS/GNSS Anti-Jam Antenna
8230 AJ
The 8230AJ anti-jam antenna is a high gain (40 dB) GNSS outdoor antenna with a unique conical antenna pattern that rejects interference from the horizon. The antenna rejects signals at lower elevation angles – where most of the interference comes from – and only receives signals from higher elevation angles where the true satellites are. This way, you get all the performance and timing accuracy you would with a standard antenna plus 20 dB or more of interference rejection.It uses a three-stage low noise amplifier, a mid- section SAW, and a tight pre-filter to protect against saturation by high level sub-harmonics and L-band signals. The antenna covers GPS L1, GLONASS L1, BeiDou B1, Galileo E1, and QZSS L1.
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Occupational Noise Measurement System
NK122
This Occupational Noise Measurement System is designed to give Health and Safety Managers, or any other professional with responsibilities for managing noise in the workplace, everything they need to protect your workforce from over exposure to noise and to help you ensure your company is complying with The Control of Noise at Work Regulations 2005.
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MXA Signal Analyzer, 10 Hz To 50 GHz
N9021B
The optimum choice in wireless for 5G and other new-generation devices Evolve test needs of advanced wireless R&D and manufacturing with the widest analysis bandwidth in its class and superior phase noise performance at high frequencies See through the complexity of challenging signals with RTSA and industry-leading PathWave 89600 VSA software Simplify testing with one-button measurements from PathWave X-Series measurement applications Enable faster test time with enhanced frequency sweep algorithm and hardware-based signal processing without compromising RF performance
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47~2400MHz FTTH CATV & SAT-TV Optical Receiver
HRS-24-H1
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HRS-24-H1 product series is a kind of CATV & SAT-IF optical receiver with high-performance and high-index. 7~2400MHz operate bandwidth. Output level Vo=86dBμV ( Pin=-2dBm ), suitable for FTTH, FTTP fiber access network. It is a low power consumption, high performance and excellent cost performance CATV & DBS network ONU(Optical network unit). This series product adopts high sensitivity receiving tube and special low noise matching circuit. Under 3.8% modulation, when transmitting in full channels and with receiving power of –8dBm, the CNR can still reach high index of 48dB and low inter modulation index. If adopting HRS-24-H1, it is only need very low optical power to reach 48dB CNR required by the user.
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Bench Power Supply, Linear, Programmable, 1 Output, 0 V, 30 V, 0 A, 5 A
72-2710
The 72-2710 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% +20mV (voltage), ≤0.5% +10mA (current).
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Mechanical Simulation in Matlab
There are variety of numerical possibilities in the MATLAB and Simulink simulation environment. For those simulation environments we offer you various toolboxes that allow you to perform simulations easily and efficiently. These toolboxes can be combined with all available ways of MATLAB and Simulink. Our toolboxes can provide you support in the following areas: Analysis of structural dynamic behavior, Vibration and noise abatement, Design of active systems, Model Reduction, Ansys-Matlab interface.
