Noise
a signal's fluctuation other than that desired.
See Also: Pink Noise, White Noise, RF Noise, Distortion, NVH
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Product
VNIR Hand-held Spectroradiometer
HandHeld 2 Pro
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Analytical Spectral Devices, Inc.
The FieldSpec HandHeld 2 Pro hand-held spectroradiometer offers greater sensitivity over the standard HandHeld 2 spectroradiometer model, aiding spectral measurements for applications with low reflectance characteristics such as water surfaces. Wherever there is a need for enhanced sensitivity, faster collection rates, high signal to noise performance, the HandHeld 2 Pro is the low cost VNIR spectroradiometer of choice.
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Product
Sound Level Meters
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Cirrus Research offers a comprehensive range of Class 1 and Class 2 handheld sound level meters, ideal for all noise measurement applications from basic noise assessments to detailed acoustic analysis. IOur range of noise level meters spans simple instruments that provide the measurement of sound pressure level, integrating-averaging instruments that provide Leq and occupational noise functions, as well as precision data logging noise meters with 1:1 & 1:3 real time octave band filters and in-measurement audio recording. Trusted by professionals, our sound level meters deliver accurate, reliable results for workplace noise monitoring, environmental noise surveys, and industrial noise assessments.
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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
PC based USB Real Time Analyzer
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1) Measurement microphone and its accessories (a windshield and a microphone clip)2) XLR-to-USB Converter3) USB cable (1.5 m) 4) CD (contains the copy-protected Multi-Instrument Software) 5) USB hardkey (contains a Multi-Instrument Standard License)6) Audio Test CD (contains a list of audio test tones and noises) (AudioTestCD.zip or AudioTestCD.rar)7) 1/8” TRS cable (1.8m) 8) Black Soft Pouch Case 9) Individual Sound Level Calibration Data 10) Individual Microphone Calibration Data (only provided in RTA-168B)11) A small microphone stand
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Product
Chemiluminescence Ammonia Analyzer
Model T201
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The Model T201 combines a specially configured chemiluminescence analyzer with an external thermal converter to give stable and repeatable NH3 measurements at very low levels. In addition, the T201 provides simultaneous values for NO, NO2, and NOx concentrations. The T201 is ideal for trace ammonia monitoring applications in ambient air as well as in clean rooms and make-up air units. Optional zero and span valves allow automatic, unattended calibration checks.The Model T201 achieves its remarkable stability by means of an AutoZero valve which measures and corrects for zero noise. Multiple self-checks are performed continuously to insure maximum up-time while an innovative sample path, plumbed with specially conditioned materials, preserves the NH3 sample and reduces interferents to a minimum. All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/O, and built-in data acquisition capability. All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports either locally or by remote connection.The Model T201 comes with the Numaview™ Software. NumaView™ Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView™ Software.
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Product
HandyScope HS6-DIFF With SafeGround & SureConnect: 500 MS/s, 250MHz BW, 4 Channel (256MS/ch), USB Differential Digital Storage Oscilloscope, Spectrum Analyzer, Voltmeter, Transient Recorder
HS6-DIFF-500XMSG-W5
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The only oscilloscope in the world that has:- SafeGround, differential input channels that can be switched to single ended.-SureConnect, auto-detects a true connection between the probe tip and the device under test.- CMI interface.- USB 3.0 interface, 5Gb/s data transfer- Lowest noise
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Product
Thin Film Based Thermopile Detector: 2 or 1 Channels
DR46
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A two-channel or a one-channel compensated thin-film thermopile in a TO-8 package. Each active area is 4mm x 0.6mm. Offers high output with excellent signal-to-noise ratio. An internal aperture minimizes channel-to-channel crosstalk increasing sensitivity.
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Product
C-Band DWDM Line Amplifier EDFA (WLA-C)
HWA4200 (With SNMP)
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HWA4200 series, is designed for C-Band 44 waves or 88 waves DWDM system design Line Amplifier gain flatness. 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.
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Product
9kHz To 40GHz Signal Generators Module
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Corech Microwave’s Ultra Wideband Signal Generators Module operates from 9kHz to 40GHz, featured with ultra wideband, CW/Pulse mode, ultra low noise of -105dBc/Hz@10kHz , low spurious and low consumption. They are very rugged and stable to be integrated in various systems.
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Product
Amplifiers
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Holzworth Instrumentation, Inc.
Holzworth amplifier products are designed for use in applications where low phase noise is critical. An added benefit of the low phase noise characteristic is extremely low additive jitter, making Holzworth amplifiers beneficial for some communications systems.
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Product
PXIe High-Speed Digitizer/ Wideband Digital Receiver, 12-bit, 3.2 GS/s, FPGA Signal Processing
M9203A
Digitizer
The Keysight M9203A is a low noise, 12-bit PXIe high-speed digitizer/ wideband digital receiver with programmable on-board processing. With a wide analog bandwidth, this high-speed digitizer is ideal for applications requiring wideband signal capture and very high dynamic range. The M9203A is a dual-slot 3U PXIe 12-bit wideband digital receiver running at 3.2 GS/s, up to 2 GHz instantaneous analog bandwidth and providing a large 4 GB DDR3 acquisition memory. The M9203A features a large XilinxFPGA that can implement different functionalities depending on the selected firmware option. Dedicated functions can also be implemented on board, allowing support of various applications. Furthermore, Keysight is supporting the deployment of custom processing algorithm on this digitizer with the U5340A FPGA development kit. Integrating algorithms minimizes the need for additional circuitry and exploit the full density and speed of the digitizer.
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Product
Hybrid Raman/Er-doped Fiber Amplifier
HFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to 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 1300~1600nm.
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Product
sbRIO-9263 , Non-Enclosed, 100 kS/s/ch Simultaneous, ±10 V, 4-Channel C Series Voltage Output Module
780876-01
Voltage Output Module
Non-Enclosed, 100 kS/s/ch Simultaneous, ±10 V, 4-Channel C Series Voltage Output Module - The sbRIO‑9263 is a simultaneously updating analog output module. It features overvoltage protection, short-circuit protection, low crosstalk, fast slew rate, high relative accuracy, and NIST‑traceable calibration. The sbRIO‑9263 module 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
Powered NIM Crates
NIM CERN-CE 1920W With Fan Tray
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This CERN spec./CE NIM crate series represents modular designed NIM bins combined with high power /low noise, microprocessor controlled, switching mode power supplies in excellent and proven W-IE-NE-R quality, conforming to EUR4100 and CERN specifications. For ultimate requirements the NIM crate provides up to 1920W DC power and is outfitted with a fan tray for cooling, monitoring and control.
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Product
Oscilloscope
RTA4000
Oscilloscope
Designed with top class signal integrity and responsive ultra-deep memory, the R&S®RTA4000 brings the power of 10 to a new level. The Rohde & Schwarz designed 10-bit ADC plus class-leading noise and memory depth provides sharp waveforms, more accurate measurements and confidence when facing unexpected measurement challenges.
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Product
Source Signature Recorder
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*GPS accuracy for time break collection and source equipment locations.*32-bit, high speed, ADC chip for lower noise and increased accuracy for signatures.*Operates independently of crew, including observer and shooter or operators.*Can be used with any Vibrator Control System.*Great for monitoring rental equipment and operators.*Provides accurate start times that can be used with any nodal recording system.
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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.
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Product
Acoustics
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When it comes to selecting a microphone for product tests—whether for sound power, sound quality, or noise source location—there's no need to compromise to sacrifice quality or performance for affordability.
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Product
Differential Sensor, Wide Dynamic Range, 100 MHz
CX1105A
Power Sensor
The CX1105A ultra-low noise differential sensor is a dedicated accessory for the CX3300 series and enables dynamic current measurements from 1 μA to 100 A under up to 100 MHz bandwidth with existing shunt resistors on your test board.
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Product
60W Dual Output Power Supply, Two 8V, 3A or 20V, 1.5A
E3646A
Power Supply
Keysight basic DC power supplies offer essential features for a tight budget. The single & dual output, 30-100 W GPIB E3640 series provide small, compact size for bench and system use; low output ripple and noise; and built-in measurements and basic programmable features with GPIB and RS232 interface. The Keysight 54W, multiple output E3646A is a clean, reliable power supply for general purpose applications, and combine convenient benchtop capabilities with flexible system features in a compact, multi-output package.
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Product
Omni Measuring Microphone
PVR™ 2
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Omni-directional microphone for free-field measurement. With a highly reliable circuit and a 1/4" pre-polarized condenser capsule, it boasts high stability, low distortion and low noise in performance. Its excellent flat frequency response makes it ideal for sonic analysis systems and recording.
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Product
Low Phase Noise Amplifiers
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Low Phase Noise amplifiers are critical for many applications requiring high signal integrity. This is especially relevant in instrumentation, defense, and telecommunication applications where low phase noise amplifiers are becoming increasingly important as the oscillators improve. Phase noise is described as the close-in noise to the carrier that can often appear as jitter on a clock signal. Analog Devices offers a large portfolio of low phase noise amplifiers to meet a variety of requirements in the LO network, receiver, as well as in the transmitter. Our portfolio supports a wide range of power levels and frequencies to provide the right solution for the given application.
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Product
Block Down-Converter
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RF Lambda’s block down-converters are used to convert higher frequencies down to IF. They can include front end amplifiers for lower noise figure and signal conditioning such as image rejection as required by the system.
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Product
Sound Level Meters
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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, asound 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.
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Product
NI-9205, ±10 V, 250 kS/s, 16-Bit, 32-Channel C Series Voltage Input Module
785184-01
Voltage Input Module
±10 V, 250 kS/s, 16-Bit, 32-Channel C Series Voltage Input Module - The NI‑9205 performs single-ended or differential analog inputs, with four programmable input ranges for each. It is an effective combination of channel count and speed at a low price for an economical multifunction system. You can choose from four programmable input ranges. To protect against signal transients, the NI‑9205 includes up to 60 V of overvoltage protection between input channels and common. In addition, the NI‑9205 also includes a channel-to-earth ground double isolation barrier for safety, noise immunity, and high common-mode voltage range. It is rated for 1,000 Vrms transient overvoltage protection.
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Product
Saluki SE1022 DSP Lock-In Amplifier
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SE1022 Digital Lock-in Amplifier provides an excellent performance within its bandwidth from 1 mHz to 102 kHz. With the advantage of the latest digital signal processing technology and high-precision 24-bit ADC, SE1022 can easily detect the phase and the magnitude of weak signals overwhelmed by various large noises. The performance of SE1022 is as good as other lock-in amplifiers brands, even better in some certain parameters, such as measurement accuracy, SNR, dynamic reserve. Otherwise, SE1022 integrates some special functions like multiple harmonic measurement and FFT, which meets the needs of scientific research and industrial application well.* Saluki SE1022 can be comparable to SRS SR830, even better and more stable.
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Product
14 Slot, 3U, 350W, PXI Chassis - Low Noise Fan
40-914-201
Chassis
This PXI chassis includes all the features and performance required by the PXI standard and supports a control interface or embedded controller and up to 13 more 3U peripheral modules.
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Product
SOA Driver
S-109
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SOA Driver slot module of FOTS system offers a special function that changes the amplification feature of input optical signal variously, by dynamically driving a built-in SOA module. This SOA Driver is an efficient module that can drive a high gain and low noise amplifier stably and modulate a high power amplified signal up to the rate of 155 Mbps. As a high power amplifier, this module drives the maximum amplified power of more than 10 dBm and has a stable broadband source characteristics of > 0 dBm. As a high-speed modulator of amplified signal combined with high current (400 mA) modulation technique, it outputs a high power and high bit rate amplified signal of > 155 Mbps with > 10 dBm peak power.
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Product
RF Amplifier Modules
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Analog Devices RF amplifier modules offer high linearity, low noise figures, and low phase noise, as well as low power consumption. These devices are all fully specified over frequency and temperature for use in a variety of applications.
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Product
Triaxial Wireless Accelerometer
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Our Triaxial Wireless Accelerometer is a vibration sensor specially designed for vibration analysis with universal compatibility. WiSER 3x is a wifi accelerometer that sends 3 axis vibration data + 1 additional channel simultaneously to any data collector in the market. Also, WiSER 3x is a wireless ultra-low noise accelerometer with 15 kHz bandwidth that exceeds the characteristics above all of most conventional accelerometers.
