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Modulators
Are devices which varies a characteristic of a repetitious electrical or electromagnetic wave of less than infrared frequency in accordance with a characteristic of an arbitrarily varying information carrying signal.
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Modulators
A modulator is an electronic circuit that superimposes a low-frequency (information) signal onto a high-frequency (carrier) signal for the purpose of wireless transmission. The reason for this is that higher frequency signals can be received using shorter aerials, which are more practical than longer ones. The information signal can be either analog or digital.
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Phase Shifters & Bi-Phase Modulators
PMI offers the highest quality phase shifters and bi-phase modulators for industrial and military applications in the frequency range of a few MHz to 40 GHz. If you do not see exactly what you need, please e-mail your requirement to sales@pmi-rf.com so we can propose an instant solution.
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IQ Modulators with Integrated LO
Analog Devices IQ modulators and demodulators operate at frequencies up to microwave and feature a combination of high performance, broadband operating frequency, and flexibility.
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Schottky Barrier Ring Quads
SemiGen’s Silicon Schottky Diodes are designed for applications through 40Ghz. The special process technology utilizes various metal schemes to provide excellent performance of Low, Medium, and High Barrier applications. The end result is a low resistance diode with tightly controlled capacitance which allows for optimum performance. Low conversation loss and superior TSS make these diodes ideal for detector / mixer applications with frequency ranges from S band to Ka band as well as modulators, lower power limiters and high speed switches.
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QPSK Quadraphase Modulators To 1880 MHz
QPSK Modulators incorporate a 90° hybrid, 2-way 0° divider and two BPSK Modulators to phase shift an input signal by 0°, 90°, 180°, and 270° by injecting ± 20 mA control signals at ports D1 and D2.
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10 GHz Signal Source
YIG Series
The SC5503B and SC5502A are designed to meet demanding low phase noise applications. This is accomplished by employing a multiple phase-locked loop architecture as well as a YIG oscillator as the heart of its synthesizer. Frequency accuracy is provided by an onboard 10 MHz temperature compensated crystal oscillator (TCXO) which can be phase locked to an external reference source if required. These modules can be used as standalone CW signal sources or as LO sources for frequency conversion systems such as the SignalCore IQ modulators and demodulators. They are designed to meet the requirements of many modern applications such as wireless device testing, software-defined radio research, point-to-point radio, multi-channel coherent systems, and other academic and military programs.
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Electro-Optic Modulators
Thorlabs’ selection of electro-optic (EO) modulators includes free-space and fiber-coupled LiNbO3 modulators. Free-space amplitude, phase, or resonant modulators can operate at speeds up to 100 MHz. We also offer liquid crystal EO modulators for speeds up to 2.5 kHz. Fiber-coupled intensity, phase, or IQ modulators for speeds up to 40 GHz can be driven by our EO modulator drivers. A modulator bias controller is also available for use with fiber-coupled intensity modulators.
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Basic Pulsed-RF Measurements
S93025B
S93025B basic pulsed-RF measurements enables 4 internal pulse generators that can be used to control the internal pulse modulators (N522xB/N524xB Options 021/022), and provides an integrated pulse application that uses the wideband-detection method.
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Bi-Phase Modulators To 12 GHz
BPSK Modulators modulate an input signal by 0° and 180° phase shifts by injecting a ± 20 mA control signal at port D1.
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Basic Pulsed-RF Measurements
S95025B
Eliminate the need for external test sets and pulse generators using the built-in pulse modulators in the PXI VNA pulsed-RF measurement solution. S95025B also controls external pulse generators and modulators and can synchronize to external master pulses. If using external master pulses or external pulse modulators, the Y1731A PXI adapter odule is recommended.
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Basic Pulsed-RF Measurements
S96025B
Enables internal pulse generators to control the internal pulse modulators and provides an integrated pulse application that uses the wideband-detection method. Requires hardware Option 021 pulse modulator hardware.
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Basic Pulsed-RF Measurements Lite
S95024B
Using built-in pulse modulators, the PXI VNAs are complete pulsed-RF measurement solutions, eliminating the need for external test sets and pulse generators. Lite version of S95025B Basic Pulsed-RF Measurements.
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Video Encoding
Blonder Tongue Laboratories, Inc.
Our HD Encoders and Modulators consist of a variety of models suitable for SD and HD applications, utilizing MPEG-2 and MPEG-4 compression standards and feature Dolby(R) audio, providing network operators the flexibility to optimize performance and cost without compromising the video quality.
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Fiber Test & Measurement
Thorlabs manufactures a range of devices for testing and measuring the performance of optical fiber. Power, spectral signature, polarization, or end face surface geometry can by characterized with out-of-the-box solutions from our catalog. EO modulators, optical switches, and light sources are available to treat light being used on a test bed.
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Spatial Light Modulators
Spatial Light Modulators (SLM) are used as adaptive optical elements that modulates light spatially in amplitude or phase. We offer devices that are based on either reflective (LCOS) or translucent (LCD) liquid crystal microdisplays.
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Optics
Welcome to Thorlabs; below you will find links to optical components and systems, a subset of our entire line of photonics products. All single element optical components can be found under the optical elements link with the exception of optical components that have polarization properties since they have a separate link. Multi-element systems like beam expanders and objective lenses as well as interferometers, fiber collimators, reference cells, modulators, and other optical devices can be found by choosing the optical systems link. Thorlabs also manufactures an extensive line of free-space and fiber optic isolators; stock items ship the same day that they are ordered while our custom orders benefit from our streamlined design and manufacturing process, which minimizes lead time.
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PNA Network Analyzers
The PNA Series of network analyzers offers industry-leading performance for testing amplifiers, mixers, and frequency converters. Built-in pulse modulators and pulse generators provide pulsed S-parameter measurements quickly and accurately. All models are available in two-port single-source and four-port dual-source versions.
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MICROWAVE SWITCHING DIODES FROM 1 to 40 GHz
Insight Product Company offers Microwave Switching Diodes with switching time up to 3 nsec and operating in frequency range from 1 to 40 GHz. The p+ -n - n+ silicon spackage-less switching diodes are designed to be used in microwave switching devices, phase changers, modulators, microwave attenuators - parts of hybrid microcircuits that provide capsulation and protection against ambient action.
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Schottky Diodes
SemiGen’s Silicon Schottky Diodes are designed for applications through 40Ghz. The special process technology utilizes various metal schemes to provide excellent performance of Low, Medium, and High Barrier applications. The end result is a low resistance diode with tightly controlled capacitance which allows for optimum performance. Low conversation loss and superior TSS make these diodes ideal for detector / mixer applications with frequency ranges from S band to Ka band as well as modulators, lower power limiters and high speed switches.
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Light
Welcome to Thorlabs; below you will find links to light emitters, sources, and controllers, a subset of our entire line of photonics products. Our light sources are conveniently separated into coherent and incoherent sources. The coherent source category includes laser diodes, laser diode modules, tunable lasers, HeNe lasers, and femtosecond lasers, while the incoherent source link brings you to a selection of LEDs, white light, and broadband SLD sources. The Quantum Electronics category includes optical amplifiers, modulators, and gain elements that are frequently used in research and OEM applications. All of our light sources and optical amplifiers are supported by an extensive line of mounts, sockets, TEC controllers, and current controllers.
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Schottky Barrier Bridge Quads
SemiGen’s Silicon Schottky Diodes are designed for applications through 40Ghz. The special process technology utilizes various metal schemes to provide excellent performance of Low, Medium, and High Barrier applications. The end result is a low resistance diode with tightly controlled capacitance which allows for optimum performance. Low conversation loss and superior TSS make these diodes ideal for detector / mixer applications with frequency ranges from S band to Ka band as well as modulators, lower power limiters and high speed switches.
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IQ Networks
Teledyne RF & Microwave offers a capable range of high performance IQ Modulators and Image Reject Mixers as well as IQ (Quadraphase) Modulators which can be used on applications from commercial test equipment to space qualified projects. IQM products can be used either as an IQ modulator or IQ demodulator and cover several frequency bands from 1.4 GHz to 18 GHz. Click on the model number to view the available datasheets.
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I/Q Modulators
Analog Devices I/Q modulators and demodulators operate at frequencies up to microwave and feature a combination of high performance, broadband operating frequency, and flexibility.
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PC/104 SBC with Vortex86DX3 1GHz CPU and Data Acquisition
HELIX
The HELIX family of PC/104 SBCs combines mid-range CPU performance, standard PC I/O, and on-board data acquisition circuitry in a compact size and at a competitive price. Available PC I/O includes 3 or 6 USB 2.0 (model dependent), 4 serial ports (2 RS-232/422/485 and 2 RS-232), 1 10/100Mbps Ethernet, 1 Gigabit Ethernet, and a SATA port. The optional data acquisition circuit includes 16 16-bit analog inputs, 4 16-bit analog outputs and 27 digital I/O lines configurable as counter/timers and pulse width modulators.
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Solid State Modulator
MOD
Computer Conversions Corporation
The MOD 500 and D400 series of solid state modulators and demodulators are hi-accuracy, low cost, miniature, phase sensitive converters designed for military and industrial control applications.
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PNA-X Network Analyzers
Keysight's PNA-X is more than just a vector network analyzer. It is the world’s most integrated and flexible microwave test engine for measuring amplifiers, mixers, frequency converters, and other active devices. The hardware includes two internal signal sources, a signal combiner, S-parameter and noise receivers, pulse modulators and generators, and a flexible set of switches and RF access points. These hardware features provide a powerful core for a broad range of linear and nonlinear measurements, all with a single set of connections to your device under test.
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Mission Data Transmitters
L3 Cincinnati Electronics (L3 CE) offers a wide choice of modulators and transmitters for spacecraft ranging from X-Band to Ku-Band. All the products listed below can be customized to specific user requirements.
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IQ Mixers
The new MMIC IQ mixers from Fairview (also known as IQ modulators) utilize a highly reliable GaAs MESFET semiconductor process which integrates a pair of matched double balanced mixer cells, a 90-degree hybrid and a 0-degree splitter/combiner that produces exceptional amplitude and phase balance performance. This level of integration offers size and performance advantages in comparison to discrete module assemblies. With the addition of an external 90-degree IF hybrid module, these IQ mixers can be used as either a Single Sideband Up-converter Mixer or an Image Reject Down-converter Mixer. The benefit of image rejection and sideband suppression can reduce overall system cost and complexity by removing the need for pre-selection filtering. Typical applications include point-to-point and point-to-multipoint radio, VSAT, military radar, electronic warfare, satellite communications, test equipment, and sensors.
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All-standard VHF/UHF/L-band Modulator For PCIe
DTA-2115B
DekTec's highest-end modulator for satellite, terrestrial and cable standards, up to the latest standards such as ATSC 3.0. The DTA-2115B can be a single-channel 72-MHz bandwidth modulator, or it can function as eight independent 8-MHz modulators.
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HDTV Encoder Modulators
All-in-one 4 Channel Full HD Compact Encoder Modulator which integrates encoding MPEG-2, MPEG-4/H.264 modulation to convert HDMI/YPbPr /CVBS signals to digital RF output. To meet customers various requirements the B-QAM-HDMI-IP-4CH is also equipped with 1 ASI input and 2 ASI output ports.
