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White Noise
Noise which is equal in intensity across a band, at all frequencies.
See Also: Noise, Pink Noise, RF Noise, Noise Generators
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Analog Noise Generator
PNG7000
The PNG7000A Series instruments generate white Gaussian noise and provide a summing input to control signal-to-noise (SNR) or carrier-to-noise (CNR) for bit-error-ratio (BER) testing. The output can also be used as a source for Jitter applications.
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"Extremely Random" Precision Noise Generator
Model 3025
The Model 3025, "Extremely Random"TM Precision Noise Generator supplies White and Pink Noise, and a 1 kHz reference signal. Crystal controlled - the pseudo random circuitry provides a 6.5 Day pseudo-random cycle time, assuring a "Extremely Random"TM noise source.
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Audio Test Tone Generator
ToneGenerator
Tone Generator is a sine wave generator, frequency generator and signal generator that lets you create audio test tones, sweeps or noise waveforms using your computer or a PDA handheld. Generate sine wave, square wave, triangular waveform, saw tooth waveform, impulse, white noise and pink noise.
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Dual Channel Arbitrary Function Generator
TGF4000
High resolution, low jitter pulses can be generated up to 100MHz as can wide bandwidth white noise. A extensive array of modulations is provided using internal and external sources. Gated, burst and sweep modes can use internal or external trigger sources. Remote control via USB and LXI compliant LAN (standard) can be supplemented by optional GPIB if required.
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Utilities
Audio signal generator that include sine waves, square waves, white noise, and pink noise. The noise signals may be octave-band limited. In landscape mode, you can set sweep start and stop frequencies, and a time in seconds.
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Audio Function Generator
Audio function generator app for the iPad, iPhone and iPod Touch. You can have up to five generators, each operating at a different frequency. Each generator can be one of the following types: Sine Wave, Triangle Wave, Sawtooth Wave, Square Wave, White Noise, Pink Noise
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Precision Pink Noise Generator
Noise Plug
The NOISE PLUG is a complete precision pink noise generator built in a XLR microphone connector. Inside the NOISE PLUG is an ultra wideband, avalanche junction white noise source.
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Microwave Noise Source Generators
Noise Sources supply white gaussian electronic noise. The output is a flat instantaneous broadband electronic random noise. The noise source converts a DC input to noise. Units are available in bands between 10MHz thru 26.5 Ghz.
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Digirator
DR2
The Digirator DR2 is a reference-grade digital audio signal generator with transformer-balanced AES3, S/PDIF, TOSLINK and ADAT outputs. The generator offers a wide range of test signals like sine, pink noise, white noise, polarity, delay, chirp and sweep.
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Audio Generator & Impedance Meter
MR-PRO/MR2
The Minirator MR-PRO provides a full set of analog audio signals including sine wave, pink noise, white noise, delay test signal, polarity test signal, stepped sweep and continuous sine sweep. Further, a set of wav-files, useful for system optimization, is stored in the internal flash memory. Add your own personal favorites to this set.
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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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Minirator
MR-PRO / MR2
The Minirator MR-PRO provides a full set of analog audio signals including sine wave, pink noise, white noise, delay test signal, polarity test signal, stepped sweep and continuous sine sweep. Further, a set of wav-files, useful for system optimization, is stored in the internal flash memory. Add your own personal favorites to this set.
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Pulse Function Arbitrary Noise Generator
81160A
Generation of 330-MHz pulses and 500-MHz function/arbitrary waveforms with a 2.5-GSa/s sample rate and 14-bit vertical resolution; Selectable crest factors for white Gaussian noise lets engineers determine how much distortion to apply to a device during stress testing to meet various serial bus standards; Glitch-free timing parameter changes allow engineers to change the frequency without drop-outs or glitches and enable continuous operation without rebooting or resetting the device under test; and Arbitrary bit patterns show capacitive load of the channels using simple pattern settings. Complex measurement setups are no longer necessary to test designs to their limits. Pulses 330 MHz, 500 MHz sine waves, 660 Mbit pattern
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Chips and Diodes
NC100/200/300/400 Series
Noisecom's noise diodes are the fundamental building blocks for analog noise systems. They are sorted for performance characteristics that enhance their broadband noise output and flat spectral response. All Noisecom noise diodes can deliver symmetrical white Gaussian noise and flat output power versus frequency
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Noise Sources
NC1126A
This noise source by Noisecom produces white Gaussian noise up to +13 dBm. It contains a hermetically packaged noise diode that has been pre-selected for special performance characteristics. This module is ideal for many different applications including CATV, Secure communications, Jamming systems, OC-192 Testing, EW & EC.
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Noise Sources
NC1128A
This noise source by Noisecom produces white Gaussian noise up to +13 dBm. It contains a hermetically packaged noise diode that has been pre-selected for special performance characteristics. This module is ideal for many different applications including CATV, Secure communications, Jamming systems, OC-192 Testing, EW & EC.
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6.5-Digit Low Noise Power Source, 32 W, 210 V, 3 A, 2-Channel
B2962B
The Keysight B2961B Series 6.5-digit low noise source power supplies provide a power supply and source solution that meets the difficult measurement challenges researchers, designers, and developers face working on advanced components, circuits, and materials.
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Noise Thermometer
MFFT-1
The MFFT-1 magnetic field fluctuation thermometer is a high accuracy thermometer system for typical dilution refrigerator temperature ranges.
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White Box Testing
Does your application have legacy code and your software code messy? If the answer to the above questions is ‘Yes’, your application will fail to perform as expected. Under such cases, you need to optimize the internal structure of your application so that it performs well. To test for the errors in the internal structure opt for white-box testing.
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Noise Receiver Modules And Noise Switching Modules
MT7553 Series
Noise Parameters are the non-50Ω extensions of Noise Figure, and are an important modeling and model validation tool to understand how a device-undertest’s performance changes as a function of source impedance. Noise Parameter measurements are typically performedusing a Vector Network Analyzer (VNA) to measure the S-Parameters of the DUT, and a Noise Analyzer (either Noise Figure Analyzer NFA or Spectrum Analyzer SA) to measure the noise power of the DUT. Noise parameters are calculated from a combination of knownsource impedances, S-parameters and noise powers.
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Noise Dosimeters
Spark Family
Spark® series dosimeters are compact, affordable and tamper-proof personal Noise Dosimeter that measures the following to applicable IEC and ANSI standards:*Noise Exposure: Multiple Dose; Projected Dose; Time Weighted Average; (all with 4 user selectable combinations of Exchange Rate, Threshold, Criterion Level and Criterion Time); Sound Exposure Level*Sound Levels:; Leq; Lmax; Lmin; Lpeak/Luwpk, SEL and more*Time and number of events above Ceiling Level (115 dB) and Peak Level (140dB)
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Low Noise Amplifiers
Our range of ITAR Free, Low Noise Amplifiers (LNAs) cover a variety of applications but are primarily suited to airborne, maritime and ground based radar systems. LNAs are primarily intended to minimise added noise whilst providing high gain so design focusses on the parameters associated with the noise response of the amplifier. They are usually the first amplifier in the Radar detection chain and will have the lowest noise figure.
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Antenna Noise Canceller
ANC-4
The ANC-4 is an rf device that eliminates or reduces power line noise, BPL noise, computer noise, TV-generated interference, and other types of electrical noise. The ANC-4 unit connects right to the antenna connector of the receiver or transceiver to cancel locally generated noise before it gets into the receiver and affects the receiver AGC circuits.
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Low Noise Amplifier
Low noise amplifiers, or LNAs, are designed and manufactured by utilizing the most advanced PHEMT or MMIC devices, thin film technologies, and an improved DC power supply to deliver a low noise performance with broad operating bandwidths and good gain flatness. While standard models focus on general purpose applications, additional models with differing frequency ranges, gains and noise figures are listed on the website. Custom designs are also offered to meet any user’s specific needs.
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Noise and Vibration Testing
Electronic Systems of Wisconsin, Inc.
ESW's unique Noise & Vibration Test Systems come fully equipped with the latest industry features. The on-screen operator display in our testers make it easy to set-up, read, track and record your noise or vibration information. We work directly with you to determine the best solution that will work for your application. Our data logging make sure that important data is stored and available for download for future reference. ESW's design engineers work to make sure the testing interface is easy for your operators to use. We work closely with our customers to make sure that your unique testing needs are met. Please see the slideshow below to see some of our Noise & Vibration Testers.
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Noise Monitoring Systems
It delivers 24/7 connectivity, continuous power capabilities, and a rugged design to simplify your long-term testing.
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USB TESTER, 3-9V, 3A, WHITE
72-13540
*USB tester inspects USB charger & portable power source*Lightweight and portable*LCD backlight*High/low output voltage warning*10 sets of data memory
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Low Noise Amplifiers
Chengdu KeyLink Microwave Technology Co., Ltd.
KeyLink's low noise amplifiers typically exhibit noise figures below 5.5dB and output 1dB compression points up 8dBm. These amplifiers are economical choices for general purpose applications. KeyLink's low noise amplifiers can be categorized as follows.
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Noise & Vibration Tester
System PC Based particularly suitable for vibration and noise measurements for the characterization of mechanical, electromechanical and electroacoustic and for the control and monitoring of installations of production. Complete configurability for the use of platforms PC (Notebook, desktop, PXI) suitable to applications of both static labotatorio, both dynamic (eg road-test) and also in the production line (functional tests and monitoring).
