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Products/Services for coherent modulation

I/Q Modulators and I/Q Demodulators
I/Q Modulators and I/Q Demodulators - (59 companies)

...types of modulation: amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM). For each type of modulation, I/Q demodulators apply an RF signal to a 0º splitter. The resulting signals are then mixed with two local oscillators... Search by Specification | Learn More about I/Q Modulators and I/Q Demodulators

Lasers
Lasers - (565 companies)

Lasers are devices that produce intense beams of monochromatic, coherent radiation. The word "laser" is an acronym for Light Amplification by Stimulated Emission of Radiation. Search by Specification | Learn More about Lasers

Optical Modulators
Optical Modulators - (42 companies)

Optical modulators vary the amplitude and phase of a light beam; e.g., from a laser or by sound waves. Optical modulators vary the amplitude and phase of a light beam; e.g., from a laser or by sound waves. In optical modulation, not only... Learn More about Optical Modulators

Electro-optic Modulators
Electro-optic Modulators - (24 companies)

Electro-optic modulators are analog or digital devices that use an electric field to alter the characteristics (e.g., band gap and index of refraction) of a material through which light is traveling, changing the characteristics of the light itself. Search by Specification | Learn More about Electro-optic Modulators

Laser Mounts
Laser Mounts - (13 companies)

...a relatively wide temperature range. Laser mounts with a bias-T option are also available. Specifications for these products include modulation bandwidth and impedance. Laser mounts are used with several different types of lasers. Examples include diode... Learn More about Laser Mounts

RF Modules
RF Modules - (93 companies)

...modules use several different modulation methods and radio techniques. On-off key (OOK) modulation turns a signal on or off. Amplitude modulation (AM) causes the baseband signal to vary the amplitude or height of the carrier wave to create the desired... Search by Specification | Learn More about RF Modules

QPSK Modulators and BPSK Modulators
QPSK Modulators and BPSK Modulators - (25 companies)

in the parameter(s) of the carrier are made in accordance with an information-bearing signal (modulation signal). Search by Specification | Learn More about QPSK Modulators and BPSK Modulators

Microwave Tubes
Microwave Tubes - (11 companies)

A microwave tube works on the principle of velocity modulation. A velocity modulation principle generally avoids the problem of frequency limitation that often occurs in microwave tubes. The size of microwave tubes should range from 0.25 mm to 200 mm... Learn More about Microwave Tubes

Frequency-to-Current Converters
Frequency-to-Current Converters - (69 companies)

...where the phases are controlled using semiconductor switches and pulse width modulation devices. A frequency current converter may also be used to monitor the speed of heavy equipment such as turbines or flow meters, or machinery used in hazardous... Search by Specification | Learn More about Frequency-to-Current Converters

Diode Lasers
Diode Lasers - (303 companies)

Diode lasers use light-emitting diodes to produce stimulated emissions in the form of coherent light output. They are also known as laser diodes. Search by Specification | Learn More about Diode Lasers

Optical Isolators
Optical Isolators - (69 companies)

...ring lasers, fiber optic links in CATV applications, and high-speed and coherent fiber optic communication systems. Single polarization fiber optic isolators are also used with laser diodes, gyroscopic systems, optical modular interfaces... Search by Specification | Learn More about Optical Isolators

Interferometers
Interferometers - (93 companies)

Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources. Search by Specification | Learn More about Interferometers

Ceramic Insulation and Textiles
Ceramic Insulation and Textiles - (142 companies)

Ceramic insulation and textiles are fibrous refractories or thermal insulation products that consist of ceramic fibers in bulk, cloth, batting, paper or rope forms. Search by Specification | Learn More about Ceramic Insulation and Textiles

RF Diodes
RF Diodes - (31 companies)

...consideration. Typically, RF diodes are categorized as amplification diodes, detector diodes, mixer diodes, damper diodes, limiter diodes, switching diodes, microwave diodes, or modulation diodes. Application requirements determine the proper selection... Search by Specification | Learn More about RF Diodes

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Product News for coherent modulation

Deltrol Controls/Division of Deltrol Corp.
Pulse Width Modulation Solenoid - Deltrol Controls

Deltrol Controls has introduced a new series of solenoids offering pulse width modulation (PWM). This series increases the force of a specific model by up to 300% in continuous duty applications.

The performance improvement is achieved with an integral add-on module that controls the current to th... (read more)

Browse Continuous Duty Linear Solenoids Datasheets for Deltrol Controls/Division of Deltrol Corp.
Fluke Corporation, Hart Scientific Division
9640A RF Reference Source

The Fluke 9640A and 9640A-LPN Reference Generators feature a unique combination of level accuracy, dynamic range and 4 GHz frequency capability to calibrate the broadest range of RF measurement workload. They have been designed specifically for metrology applications where the combination of level accuracy and dynamic range is important. (read more)

Browse Calibration Standards and Reference Sources Datasheets for Fluke Corporation, Hart Scientific Division
Anritsu Company
MG3690B Series RF/Microwave Signal Generator

The MG3690B series of broadband signal generators covers both RF and microwave frequencies from 0.1 Hz to 70 GHz. For mmW frequencies, the MG3690B's coverage can be extended up to 325 GHz or beyond, with external multipliers. Thus, the MG3690B series is an ideal signal source for both RF and microwave requirements, fully configurable from simple to high performance applications. (read more)

Browse Signal Generators and Waveform Generators Datasheets for Anritsu Company
Rigol Technologies, Inc.
Function / Arbitrary Waveform Generators

Based on DDS technology, RIGOL DG2000 series Function/Arbitrary Waveform Generators could generate sine signal with little distortion steadily, precisely and purely. (read more)

Browse Signal Generators and Waveform Generators Datasheets for Rigol Technologies, Inc.
Duncan Instruments Canada, Ltd.
Economical 50MHz ARB Generator

The new high performance moderate cost BNC645 50MHz ARB/Waveform Generator incorporates:

Waveform and Pulse Generation

Custom Waveform Generation

Graph Mode

WaveCrafter Editing Software

Data Transmission via Pattern Out

Ease of use

External Frequency Synchronization (read more)

Arcoptix S.A
ARCoptix Velocimeter

The ARCoptix Velocimeter is a unique non-contact speed sensor that allows you to measure the smallest variations in the dynamics of a mechanical watch oscillator during oscillation. (read more)

Nikon Instruments Inc.
SMZ-1500 Stereo Microscope

Nikon's top-of-the-line stereomicroscope features a powerful zoom ratio (15:1) and a zoom range of 0.75x to 11.25x, while maintaining optical quality. Unique new accessories round out this powerful microscope. (read more)

Browse Microscopes Datasheets for Nikon Instruments Inc.
PTC - University Program
Mathcad Academic Solutions for Higher Education

Mathcad is an excellent tool for any course that uses mathematics. Mathcad's features are specially suited to learning and teaching technical subjects in high school, vocational education, and college. That's why more educators and students rely on Mathcad for calculation and documentation in math-related disciplines than any other desktop software. (read more)

Daytronic Corp.
4000 Instrument Series

Extremely versatile panel-mountable instruments for local real-time data acquisition, data display, and process control (read more)

Browse Data Acquisition Datasheets for Daytronic Corp.
A & D Rubber Products Company
Water Jet Cutting

Water jet cutting uses a jet of water so powerful that it cuts cleanly and precisely through material in a single pass without shredding or crushing. (read more)

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Conduct Research

Engineering Web Search: coherent modulation
MATLAB Central - File detail - Exact BER for Gray-coded...
Exact BER for Gray-coded 2^2n-QAM modulation with AWGN
See MathWorks, Inc. (The) Information
<a name="berawgn"></a>Bit error rate (BER) for uncoded AWGN...
The berawgn function returns the BER of various modulation schemes over an additive white Gaussian noise (AWGN) channel.
See MathWorks, Inc. (The) Information
Advance Program
MC2.3 16.15 - 16.30 PMD Compensation in Multilevel Coded-Modulation Schemes with Coherent Detection using Alamouti-Type Polarization-Time Coding, I.
See IEEE - Institute of Electrical and Electronics Engineers, Inc. Information
Synchronous measurement of inter-modulation products using a...
Synchronous measurement of inter-modulation products using a multi-frequency coherent signal
High Linearity Wideband Coherent Amplitude Modulation (AM)...
High Linearity Wideband Coherent Amplitude Modulation (AM) Radio Frequency (RF)-Photonic Links
See Storming Media LLC Information
Modulation Instability of Spatially-Incoherent Light Beams and...
Modulation Instability of Spatially-Incoherent Light Beams and Pattern Formation in Incoherent Wave Systems
See Storming Media LLC Information
Demodulation - Wikipedia, the free encyclopedia
Modulation techniques Analog modulation Digital modulation OOK · FSK · ASK · PSK · QAM MSK · CPM · PPM · TCM · OFDM
De-modulation of mok(m-ary orthogonal modulation) invention
is from USPTO Patent Application 20070183542, De-modulation of mok(m-ary orthogonal modulation). Brief Patent Description - Full Patent Description -
A single sideband from only one modulator: SPIE Newsroom:...

Comparison of two efficient modulation schemes for wireless...
Comparison of two efficient modulation schemes for wireless data applications (Proceedings Paper)

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