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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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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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I/Q Demodulators
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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Oscillators
Ducommun’s oscillator family includes FET based dielectric resonator oscillators (OFD), phase locked oscillators (OPL), Gunn diode based low cost Gunn oscillators (OGL), bias tuned Gunn oscillators (OGB), mechanically tuned oscillators (OGM), varactor tuned Gunn oscillators (OGV), injection locked Gunn oscillators (OGI) and Gunn oscillator bias regulators and modulators (OGR and OMR). In the mechanically tuned Gunn oscillator family, the ultra broadband series (OGF) delivers up to full waveguide tuning bandwidth.
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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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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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Beam Lead PIN Diodes
The SemiGen SBL 2000 series Beam Lead PIN Diodes feature fast switching speeds at both low capacitance and resistance. Beam Lead PIN Diodes have high levels of mechanical strength and stability during assembly. These diodes are suitable for microstrip or stripline circuits as well as circuits requiring high isolation from a series of mounted diodes such as multi-throw switches, phase shifters, attenuators and modulators.
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RF Upconverters
SignalCore offers traditional multi-stage and single-stage RF upconverters, and Direct IQ modulators that feature low phase noise, high dynamic range, wide bandwidth, and continuous tuning. SignalCore RF upconverters are compact and built for mechanical robustness and ruggedness. Applications include various test and measurement applications such as those in point-to-point radio, wireless communication, ATE, and software-defined radio. All products are provided with a Graphical User Interface (GUI), driver, and API for easy programming control.
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Vector Modulators
Analog Devices high dynamic range vector modulator RF ICs offer 360° continuous phase control, a continuous gain control of 40 dB, and a low output noise floor of at least –160 dBm/Hz at the maximum gain setting.
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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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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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Compact TV Analyzer
ETC
Shenzhen Wellcore Technology Co., Ltd.
The R&S®ETC compact TV analyzer offers a comprehensive set of measurement functions for DVB-T2, DVB-T/DVB-H and ISDB-T digital TV transmitter testing. It is also useful for service and maintenance of TV transmitters as well as for testing modulators in R&D or quality assurance environments. The design of the analyzer is ideal for coverage measurements in broadcast network planning.
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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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voltage controlled crystal oscillator
VCXO
A VCXO (Voltage Controlled Crystal Oscillator) is a crystal oscillator the output frequency of which is controlled by adding an external control voltage via a frequency control input on a variable capacitance component such as a varactor diode connected in parallel to a load capacitance (CL). Epson VCXOs are divided into two types according to Voltage-Frequency (V-F) characteristic slopes depending on the AFC (Automatic Frequency Control) input configuration of the VCXO. One is a VCXO with a positive V-F slope and the other is a VCXO with a negative V-F slope. Please note that the input voltage of a control circuit will vary according to the individual type, as shown in Figs. 3 and 4. Epson's VCXOs are capable of either, depending on the customer's preference. Epson's VCXOs have been increasingly used for broader applications such as slave oscillators in phased-lock loops, or frequency modulators. Among the above types, a VCXO combined with a TCXO is called a VC-TCXO , respectively. These components have the merit of delicately controlling their output frequency electrically.
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Frequency Converters
Ducommun's frequency converter families include waveguide detectors (FAS), passive and active multipliers (FMP and FMA), up and down converters (FUB and FDB), harmonic mixers (FDH), subharmonically pumped up and down converters (FUS and FDS) and phase detectors and single sideband modulators (FPB and FSS). These devices are offered in 7 waveguide bands to cover entire 18 to 110 GHz frequency spectrum. These converters employ high performance GaAs Schottky beamlead diodes and DLT's proprietary circuit configuration to produce superior performance, such as low conversion loss and up to full waveguide instantaneous operation bandwidth.
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14-bit 16 Concurrent Channel 65MSPS A/D board
AD14-65Mx16AVE
14-bit 16-concurrent channel 65MSPS A/D board for demanding large-system uses, where signals on multiple time-aligned channels need to be observed with high SNR, such as RADAR, nuclear instrumentation, ultrasound, medical imaging, spectroscopy, communications systems, RF component and antenna testing and other critical applications. An on-board low-jitter LMX2581-based RF synthesizer allows any A/D sampling rate between 20MSPS and 65MSPS to be specified in software. A second on-board LMX2581 with synchronized reference can be optionally used to output four stimulus clocks on SMA connectors that can be vectored to any combination of 4 external transmitters, microwave pulse generators, laser modulators, and other devices.
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TWT Amplifiers
dB Control designs and manufactures high-power microwave amplifiers, transmitters, high- and low-voltage power supplies and modulators for radar, electronic warfare (EW), electronic countermeasures (ECM) and data link applications. The modularity of our designs enables us to rapidly configure power products for custom applications. Our products can meet your specifications and platforms requirements for ground-based, shipborne and high-altitude military manned and unmanned aircraft.
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Bi-Phase Modulators
PMI's line of Bi-Phase Modulators includes a comprehensive selection of different models which cover broad octave frequency bands ranging from 0.5 to 40 GHz. Bi-phase modulators take a TTL level digital bits stream that’s encoded onto the RF carrier using 2 Phase Shift Keying (2PSK) modulation, where the 2 phases are separated by 180º. This performance is desirable in communications systems, microwave radio, radar, high data rate test & measurement, serial data transmission, base station infrastructure, and other industrial and military applications.
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High-Speed Switching Diodes 33 To 140 GHz
Insight Product Company offers high-speed switching diodes with switching time up to 2 nsec and operating frequency range up to 140 GHz. Silicon p+-p-n-n+ high-speed switching diodes are designed to be used in mm-wave switching devices, phase changers, modulators, attenuators for the millimeter wavelength range. They are fabricated in the metal-ruby packages with hard-lead carrier (diameter 3.0 mm, 1.5 mm).
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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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Optical Systems
Thorlabs' optics can be incorporated together to create packages with new functionalities. Some of the packages highlighted here range from beam expanders and collimators to interferometers and spectroscopy kits. Optical isolators, Pockels cells, and modulators are other examples.
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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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Isolated ADCs
Isolated analog-to-digital converters (ADCs) are second-order sigma-delta modulators that convert analog values into a 1-bit stream and are able to withstand high common-mode voltages.Combining a high-frequency external clock input and wide bandwidth, our isolated ADCs provide very high accuracy thanks to the improved signal-to-noise ratio (SNR). The isolation grade and a high level of transient immunity are keys to reliably sensing currents and voltages to ensure the robustness and high performance of many industrial applications.
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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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Medical Modulators
Te;edyne e2v offers a range of compact modulator systems based around its patented solid-state switching technology. High power pulsed systems are developed for radar and for linear accelerators used in industrial, scientific and medical applications.The compact modulator is a direct switching unit, designed to drive either our microwave tubes or those from other manufacturers. The high voltage modulators and semiconductor switches provide a real proven alternative to conventional "line and hard valve type" modulator technology. Using innovative assemblies of solid-state switches, together with compatible power supplies and energy storage units, gives a significant improvement in pulse shape and quality. A flexible control system gives the ability to remotely vary the pulse parameters on a pulse-to-pulse basis. These features make the units ideal for systems where precise energy control is essential.
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Lightwave Transmitter Analyzer Bundle
N4364A
The N4364A Lightwave Transmitter Analyzer Bundle consists of a calibrated OE-converter - the N4377A Lightwave Detector - and Vector Network Analyzer - either from the PNA- or from the Streamline Series USB-family - and is a cost-effective solution to test the frequency response of optical transmitters such as directly modulated lasers diodes (DMLs), Mach-Zehnder Modulators (MZMs) or other devices.
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IQ Demodulators 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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Modulators / Demodulators
Mini-Circuits QPSK Modulator and I/Q Modulator / Demodulators are available in connectorized or surface mount packages up to 2000 MHz. These components provide excellent harmonic suppression as well as good carrier and sideband rejection while maintaining low conversion loss over the operating frequency band.
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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.
