Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Product
Pre-Amplifiers
MPR, MDA series
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MPR, MDR series provides low noise, high gain and wideband to improve dynamic range for emission testing. We also offer customized model for variable requirments.. Example 30M-1000MHz with band-pass filter Amprifier unit for connecting antenna directly
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Product
Test Box
RF
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This is a custom made part of a Phase Noise test system. It contains relays, filters, amplifiers, and so on. It works with other of-the-shelf eqipment, and custom software to form a high volume production test system.
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Product
NI-9266, 8-Channel C Series Current Output Module
785047-02
Current Output Module
8-Channel C Series Current Output Module - The NI‑9266 is ideal for interfacing and controlling industrial current-driven actuators. 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 NI‑9266 includes channel‑to‑earth ground isolation for safety and noise immunity.
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Product
Test Solutions
AT/CX/CM Series
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The VeEX AT/CX/CM series are next generation test solutions designed for analog and digital cable TV networks supporting VoIP, WiFi, and Internet service. Analog and Digital SLM, ingress noise sweep, deep interleave support, and QAM constellation analysis are among many standard features. Enhanced optional features include QAM16/64/128 Upstream Generation (USG), Reverse Path QAM Analysis, and DOCSIS 2.0/DOCSIS 3.0 Cable Modem emulation. A high capacity LiIon battery pack provides extended autonomy for a full day use with only a single charge.
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Product
Ethernet/LXI digitizerNETBOX 16 Bit High Speed Digitizer - 180 MS/s on 2 Channels, 2 Single-Ended Inputs
DN2.447-02
Digitizer
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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Product
PXI/PXIe RF Switch, Triple SPDT, 3GHz, 50Ω, SMB
40-870A-003
Relay
The 40-870A-003 (PXI) and 42-870A-003 (PXIe) are 50Ω RF switches with 3 separate SPDT relays in a single slot. They have low insertion loss and VSWR through the use of modern RF relay technology at an affordable cost. The switch banks been carefully designed to ensure excellent and repeatable RF characteristics to frequencies of 3GHz. The injection of noise and unwanted signals into the signal paths of the 40/42-870A has been minimized by careful attention to the mechanical and electrical design.
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Product
250 MS/s, Two Channel, Arbitrary Waveform Function Generator PXI Card
GX1120
Waveform Generator
The GX1120 is a high performance, two-channel PXI arbitrary waveform generator that offers function generator and arbitrary waveform generator functionality within one instrument. Built-in waveforms are available for use with both the DDS or AWG modes of operation and include Sine, Triangle, Ramp, Noise, and pulse waveform generation.
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Product
Ultra Low Noise Preamp
J2180A
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The J2180A low noise preamplifier provides a fixed, AC coupled 20dB gain while converting a 1 MOhm input impedance to a 50 Ohm output impedance. With a 3dB bandwidth of 0.1Hz to 100MHz, the preamplifier improves the sensitivity of oscilloscopes, network analyzers and spectrum analyzers while reducing the effective noise floor and spurious response. The preamplifier can also serve as a low frequency DC blocker for a spectrum analyzer or you can use it to connect a high input impedance oscilloscope probe to 50 Ohm equipment.
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Product
RS-232 Fiber Optic Auto Powered Line Driver
Model 271
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FEATURES: Full Duplex to 56 KBPS; 2 Kilometers on 62/125 Fiber; Total Electrical Isolation; Eliminates Noise Problems; ST Connectors; No Power Required. The Model 271 provides feature packed performance and reliability for data transmission over glass fiber.
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Product
Receivers
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Macom Technology Solutions Holdings Inc.
MACOM's receivers are widely used in point-to-point radio, aerospace and defense, and other broadband communications applications. Operating between the 4.5 - 45 GHz frequency range, our receivers feature an integrated LNA, mixer and LO buffer amplifier onto a single chip. Available in lead-free QFN or SMD packages, our receivers boast excellent noise figure and conversion gain performance.
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Product
Xineos Large Area Detectors
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As a leader in CMOS innovation, Teledyne DALSA developed the Xineos to deliver three times more sensitivity and five times more signal-to-noise performance than other standard technologies at equal X-ray dose conditions. CMOS image detectors offer numerous advantages including the ability to record smaller image details with higher resolutions – allowing for the diagnostics of medical anomalies at earlier stages, and significantly increasing the probability of early intervention, patient recovery, and reduced treatment costs.
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Product
Sound Testing
SP series
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Are ideal for on-site measurements in accordance with the noise at work legislation for industrial and office environments.
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Product
Meter Software Module
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Metra Mess- und Frequenztechnik in Radebeul e.K.
*Level display as five digits number*Display selectable between acceleration, velocity and displacement*RMS, positive, negative and unsigned peak values, instantaneous value *Rotary speed measurement with Photoelectric Reflex Switch (only VM-METER+)*Main frequency (only VM-METER+)*Measurement at rotation speed or multiples (only VM-METER+)*Sound level meter (A and C weighted) and noise dose meter (only VM-METER+)*THD (distortion) measurement (only VM-METER+)*One VM-METER license can be operated simultaneously up to four times with different settings*Offline measurement
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Product
Powered VME Crates
6U VME 6023
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The WIENER VME 6023 crate series is the newest generation of 19" integrated packaging system for standard VME/VME64 bus systems with 6Ux160mm cards.Designed primarily for applications in data acquisition, control and test instrumentation it combines superior mechanical quality with lowest noise power supply technology.
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Product
Faraday Cage
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Electrostatic noise from the laboratory environment disturbs measurement signals and decreases data quality drastically for small current signals. Our Faraday Cage enables effective shielding for measurement on high impedance or low current samples.
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Product
RF Training Kit And Lab Sheets
Y1800A
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The RF transceiver kit consists of a transmitter unit and a receiver unit in superheterodyne architecture. The transceiver units are made up of various RF building-block modules such as filter, low noise amplifier, power amplifier, mixer and oscillator. The RF transceiver kit is controlled by a Windows-based Control Panel software via USB. A Measurement Automation Program is provided to demonstrate automated characterization and test of RF circuits. A signal generator and a spectrum analyzer are required to run this program.
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Product
Super Phosphor Oscilloscopes
SDS2000X-E Series
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The SDS2000X-E series employs a new generation of SPO technology. With its excellent signal fidelity, background noise is lower than similar products in the industry. It has a minimum vertical input range of 500 uV/div, an innovative digital trigger system with high sensitivity and low jitter, and a waveform capture rate of 400,000 frames/sec (sequence mode). It also employs a 256-level intensity grading display function and a color temperature display mode not found in other models in this class. Siglent’s newest oscilloscope offering supports multiple powerful triggering modes including serial bus triggering and decoding. History waveform recording and sequential triggering allow for extended waveform records to be captured, stored, and analyzed. Also included is the deep memory FFT. This math function uses upto 1 M samples for the FFT calculation, providing the SDS2000X-E with very high frequency resolution. The hardware co-processor executes true fast measurement and math to all of 28M sample points so that there is minimal distortion on analysis. It also supports searching and navigating, on-screen Bode plot, 16 channel digital /MSO (optional), an external USB powered 25 MHz AWG function generator module (option), a USB WIFI adapter for wireless control and monitoring (option), and an embedded application that allows remote control via web browser. The features and high-performance of the SDS2000X-E oscilloscopes cannot be matched else anywhere at this price.
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Product
HES Spectrometers
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ISI’s standard HES spectrometer offers a 100-fold increase in throughput over conventional systems currently available. This increased throughput can lead to a superior signal-to-noise ratio (SNR) for a given observation over a Czerny Turner instrument. The HES spectrometer contains no moving parts and yet offers the advantages of a Michelson Interferometer with the spectral properties of a traditional diffraction grating-based device, such as a Czerny Turner spectrometer.
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Product
Preamplifiers
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The primary function of a preamplifier is to extract the signal from the detector without significantly degrading the intrinsic signal-to noise ratio. Three basic types of preamplifiers are available: the current-sensitive preamplifier, the parasitic-capacitance preamplifier, and the charge-sensitive preamplifier. ORTEC manufactures a preamplifier to fit your detector, your application, and your budget.
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Product
Digital I/O Device
Digital I/O Module
The Digital I/O Device supports channel, current, and voltage options to help you automate applications. This module features programmable input filters to remove chatter, noise, glitches, and spikes on inputs, and these filters also provide debouncing for digital switches and relays. You can use the module to perform safe operation when connected to pumps, motors, and other industrial actuators or machinery using the included power-up states. The module also provides a fail-safe mechanism that monitors for computer or application crashes and place the system in a state to ensure safe recovery. Additionally, some models include high-voltage, high-current, and isolation options to ensure the product can work safely in many environments.The Digital I/O Device 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
L-Band Separate Raman Fiber Amplifier
RFA6000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to the multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600 nm.
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Product
Oscilloscope, 350 MHz, 2 GS/s interleaved, 4 CH, 200 Mpts/Ch DSO, Fully Loaded with 10.1" Color Display
T3DSO2354HD
Oscilloscope
The T3DSO2000HD series of Bench Oscilloscopes feature 4-channel models with analog bandwidth options of 100 MHz, 200MHz and 350 MHz. The T3DSO2000HD Oscilloscopes use 12-bit high resolution ADCs and a low noise front end which provides an impressive noise performance to cover a wide range of measurement applications. Each model offers a maximum sample rate of 2 GSa/s (interleaved) and a maximum memory depth of 200 Mpts in interleave mode. The MS configured models also include a 16 channel logic probe as standard.
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Product
Event Detectors
STD Series
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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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Product
Digital Arrester Clamp Tester
ALCL-40
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*ALCL-40 is designed to test the diagnostic of OXIDE SURGE ARRESTER.*The least influence from the external magnetic field and noise by triple shielding of CT.*Compliant with IEC6099-5.*Enabled the measurements for 100nA resolution and harmonics current.
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Product
NI-9266 , 8-Channel C Series Current Output Module
785046-01
Current Output Module
8-Channel C Series Current Output Module - The NI‑9266 is ideal for interfacing and controlling industrial current-driven actuators. 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 NI‑9266 includes channel‑to‑earth ground isolation for safety and noise immunity.
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Product
C-Band Separate Raman Fiber Amplifier
RFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to the multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600 nm.
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Product
RVDT Rotary Position Sensors
RV Series
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The NewTek is a family of RVDT rotary position sensors for industrial applications. RVDT technology is known for reliability and ruggedness in harsh environments. The non-contact design allows for extremely long operational life and reliability and eliminates internal components that might wear or degrade over time. With a non-contact measurement, RVDTs offer good noise performance with excellent repeatability. The NewTek RV series is available in two sizes – The RV 8-30 is a size 8 (0.75 inch diameter) and the RV 11-30 is a size 11 (1.06 inch diameter).
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Product
Sound Level Meter
831-LOWN
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Easily make low noise measurements to 6.5 dB A-weighted using the Model 831-LOWN sound level meter paired with the 378A04 low noise microphone and preamplifier. Due to the innovative design of the 378A04 which uses a prepolarized microphone and ICP (constant current) interface, the combination produces a highly portable system that is battery powered and intuitive to use for measuring low noise levels.
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Product
Audio Line Drivers and Receivers
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Analog Devices audio line driver and receiver solutions feature differential-output buffer amplifiers and differential input buffer amplifiers to support a wide range of applications. By using low noise thermally matched thin film resistors and high slew rate amplifiers, these parts maintain the sonic quality of audio systems by eliminating power line hum, RF interference, voltage drops, and other externally generated noise commonly encountered with long audio cable runs. Applications involving this product portfolio include ADC drivers, high performance audio, sine/cosine encoders, and other professional and consumer uses.
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Product
Flux Meter
NF-100
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NF-100 can perform stable high accuracy measurement because noise and drift are reduced by the structure of digital counter and integral V/F converter with use of operational amplifier.
