Noise Signal Generators
Description
Noise signal generators are electronic instruments designed to produce random noise signals. These signals are characterized by their random nature and are used to simulate or test various conditions in electronic systems. The noise generated can vary in frequency and amplitude, providing a wide range of output frequencies and signal characteristics.
Working Principle
Noise signal generators work by producing a random voltage or current that varies over time. This randomness is a key feature, as it allows the noise to simulate real-world conditions where unwanted fluctuations are present. The noise is typically characterized by its power spectral density, which describes how the power of the noise signal is distributed across different frequencies. This makes noise signal generators useful for testing and analyzing the performance of electronic systems under realistic conditions where noise is always present.
Applications
Noise signal generators are used in a variety of applications, particularly in testing and measurement scenarios. For example, they are employed in the testing of communication systems to evaluate how well these systems can handle noise and maintain signal integrity. They are also used in the development and testing of wireless communication devices, where understanding the impact of noise on signal quality is crucial.
Advantages over other Signal Generators
Noise signal generators offer specific advantages when it comes to testing systems under realistic conditions. Unlike other signal generators that produce deterministic signals, noise generators provide a non-deterministic output that can better simulate the unpredictable nature of real-world environments. This makes them particularly valuable in scenarios where understanding the impact of noise on system performance is critical.
Limitations
One limitation of noise signal generators is their inherent randomness, which can make it challenging to reproduce exact test conditions. Additionally, the accuracy of the frequency and amplitude settings can vary, which may affect the precision of the tests being conducted.
Considerations
When selecting a noise signal generator, several factors should be considered. Initial costs can vary depending on the complexity and capabilities of the generator. Operating expenses may include maintenance and calibration to ensure accuracy over time. Durability is another consideration, as the generator should be robust enough to withstand regular use. Accuracy in frequency and amplitude settings is crucial for reliable testing, and potential replacement and maintenance costs should be factored into the overall investment.
from NTi Audio AG
The TalkBox is an acoustic signal generator for speech intelligibility measurements in evacuation and announcement systems, as well as for level alignment of teleconference or other audio systems. It allows performing the complete end-to-end evaluation of the speech intelligibility STIPA from the... [See More]
- Generator Type: Noise; Signal
- Form Factor: Portable
- Device Type: Generator
- Resolution: 16
from Fluke
The 271 is a high performance function generator using Direct Digital Synthesis techniques. A wide variety of standard waveforms are provided and an arbitrary waveform capability allows it to be used to generate non-standard and user-defined waveforms. Extensive modulation capabilities make this a... [See More]
- Generator Type: Function; Noise; Pulse; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- User Interface: Manual Controls; Front Panel
from Wayne Kerr Electronics
WF1947/WF1948 boast accurate and stable output, an abundance of output waveforms, various oscillation modes for various purposes, outstanding user-friendliness and the flexible generation of waveforms that engineers need. Wide range Frequency: 0.01 µHz to 30MHz. Amplitude range: 0Vp-p to... [See More]
- Generator Type: Function; Noise; Pulse; Sweep
- Form Factor: Portable
- Device Type: Generator
- Inputs: 2
from VIAVI Solutions, Inc.
The AXIe Modular Products set a new standard in performance and function. VIAVI Solutions formerly Cobham/Aeroflex is pleased to announce its new modular line of products based upon the latest AXIe standard. The new Cobham AXIe chassis is the world ’s first to support both the Wide PCI Express... [See More]
- Generator Type: Continuous Wave; Function; Noise; Multiple Outputs; Signal
- Form Factor: Fixed
- Device Type: Generator
- Operating Modes: Full/Half Duplex, List, Leveling, Triggering
from ValueTronics International, Inc.
The 81150A is an Arbitrary Noise Generator from Agilent. An arbitrary waveform generator (AWG) is a type of electronic test equipment people use to generate repetitive or single-shot electrical waveforms. Single-shot waveforms require a triggering source, either internal or external, while... [See More]
- Generator Type: Noise; Signal
- Minimum: 120
- Device Type: Generator
- Maximum: 120
from Red Pitaya, d.o.o.
SDRlab 122-16 External clock is based on the SDRlab 122-16 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from RIGOL Technologies, Inc.
Engineers who require high signal fidelity in a reliable and capable waveform generation need look no further than the DG2000 Series generators. With frequencies up to 100 MHz, 16Bit Resolution, and arbitrary waveforms of up to 16 Mpts the DG2000 reproduces any waveform with high signal fidelity. [See More]
- Generator Type: Function; Noise
- Inputs: 2
- Device Type: Generator
- Minimum: 50
from NTi Audio AG
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. The DR2 further offers a set of... [See More]
- Generator Type: Noise; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- Minimum: 1.00E-5
from Fluke
A selection of universal waveform generators offering superior performance and excellent value. These universal waveform generators combine many generators in one instrument. Their extensive signal simulation capabilities include arbitrary waveforms, function generator, pulse/pulse train generator,... [See More]
- Generator Type: Function; Noise; Pulse; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- User Interface: Manual Controls; Front Panel
from Wayne Kerr Electronics
The multifunction generator WF1973/WF1974 can generate various waveforms and also provide wide array of functions including sequence, modulation, and sweep. These are up-and-coming general-purpose signal source that are must for engineers and should be kept on hand for a wide variety of... [See More]
- Generator Type: Function; Noise; Pulse; Sweep
- Form Factor: Portable
- Device Type: Generator
- Inputs: 2
from ValueTronics International, Inc.
The 1381 is a used Noise Generator from General Radio. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Frequency... [See More]
- Generator Type: Noise; Signal
- Device Type: Generator
from Red Pitaya, d.o.o.
SDRlab 122-16 was developed specifically for software-defined radio and more demanding RF applications. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from RIGOL Technologies, Inc.
The DG800 redefines the entry level waveform generator by bringing advanced capabilities like 16 bit high resolution, intuitive touch screen control, and a quiet fanless design to our most affordable line of generators. Add SiFi II point-to-point sampling technology and 2 MPts of standard arb memory... [See More]
- Generator Type: Function; Noise
- Inputs: 1
- Device Type: Generator
- Minimum: 10
from NTi Audio AG
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... [See More]
- Generator Type: Function; Noise; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- Minimum: 1.00E-5
from Fluke
These universal waveform generators combine many generators in one instrument. Their extensive signal simulation capabilities include arbitrary waveforms, function generator, pulse/pulse train generator, sweep generator, trigger generator, tone generator, and amplitude modulation source. The 290... [See More]
- Generator Type: Function; Noise; Pulse; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- User Interface: Manual Controls; Front Panel
from ValueTronics International, Inc.
The 1382 is a used Noise Generator from General Radio. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Frequency... [See More]
- Generator Type: Noise; Signal
- Device Type: Generator
from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from RIGOL Technologies, Inc.
Engineers and students who require high signal fidelity in a reliable and capable waveform generation need look no further than the DG900 Series generators. With frequencies up to 100 MHz, 16Bit Resolution, and arbitrary waveforms of up to 16 Mpts the DG900 reproduces any waveform with high signal... [See More]
- Generator Type: Function; Noise
- Inputs: 2
- Device Type: Generator
- Minimum: 50
from NTi Audio AG
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... [See More]
- Generator Type: Function; Noise; Sweep; Signal
- Form Factor: Portable
- Device Type: Generator
- Minimum: 1.00E-5
from ValueTronics International, Inc.
The 1383 is a used Noise Generator from General Radio. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Frequency... [See More]
- Generator Type: Noise; Signal
- Device Type: Generator
from Red Pitaya, d.o.o.
SIGNALlab 250-12 is most sophisticated Red Pitaya product, built for more demanding industrial applications and research, where robustness and performance matter more than cost. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from ValueTronics International, Inc.
The 1390B is a used Noise Generator from General Radio. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Broad band... [See More]
- Generator Type: Noise; Signal
- Device Type: Generator
from Red Pitaya, d.o.o.
STEMlab 125-14 4 Inputs is based on STEMlab 125-14 board, but instead of 2 inputs and 2 output channels offers 4 Input channels that with improved performance. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 4
from ValueTronics International, Inc.
The 346A is a used 18 GHz Noise Generator from Agilent. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Low SWR for... [See More]
- Generator Type: Noise; Signal
- Minimum: 18000
- Device Type: Generator
- Maximum: 18000
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in a wide variety of contexts, from hobbyists and ham radio operators to industry, research, and space applications. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from ValueTronics International, Inc.
The 346B is a used 18 GHz Noise Generator from Agilent. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Frequency... [See More]
- Generator Type: Noise; Signal
- Minimum: 18000
- Device Type: Generator
- Maximum: 18000
from Red Pitaya, d.o.o.
STEMlab 125-14 is our most versatile and popular product, which was introduced to the market in 2013 when Red Pitaya was established. Since then it has been used in wide variety of contexts, from hobbyists and ham radio operators to industry, research and space applications. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from ValueTronics International, Inc.
The 346C is a used 26.5 GHz Noise Generator from Agilent. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Low SWR for... [See More]
- Generator Type: Noise; Signal
- Minimum: 26500
- Device Type: Generator
- Maximum: 26500
from Red Pitaya, d.o.o.
STEMlab 125-14 Edu Pack is based on Red Pitaya's best-selling DAQ platform and with the chosen accessories a perfect fit for educational purposes. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from ValueTronics International, Inc.
The CNG-1-26/180 is a noise generator from dBM. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Pink noise is a random signal that the... [See More]
- Generator Type: Noise; Signal
- Device Type: Generator
from Red Pitaya, d.o.o.
STEMlab 125-14 External clock is based on the STEMlab 125-14 model that is modified to be used with an external clock oscillator, which is important especially for RF applications that operate at other frequencies, require better quality clock or clock synchronization. With this modification, users... [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4
from ValueTronics International, Inc.
The N4000A is a used 18 GHz Noise Generator from Agilent. A noise signal generator is a type of electronic test equipment that produces a noise, or random signal, to test an electronic product ’s frequency response, noise figure, and other important parameters. Additional Features: Electronic... [See More]
- Generator Type: Noise; Signal
- Minimum: 18000
- Device Type: Generator
- Maximum: 18000
from Red Pitaya, d.o.o.
Based on the STEMlab 125-14 Starter kit and it comes with individual ISO17025 certificate. [See More]
- Generator Type: Continuous Wave; Function; Noise; Pulse; Sweep; Multiple Outputs; Synchronized Multiple Outputs; Signal
- Form Factor: Portable; PCB
- Device Type: Generator
- Inputs: 2 to 4