Products/Services for Quadrature Phase-shift Keying
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QPSK Modulators and BPSK Modulators - (27 companies)Quadrature phase shift keying (QPSK) modulators and binary phase shift keying (BPSK) modulators are used to change certain characteristics (amplitude, frequency or phase) of a carrier signal in order to transmit information. The changes... Search by Specification | Learn More -
Oscillators - (566 companies)Oscillators are devices that are used to generate repetitive signals. They produce output signals without an input signal. There are two major types of electronic oscillators: harmonic oscillators and relaxation oscillators. Harmonic oscillators produce sine wave outputs. Relaxation oscillators produce non-sine wave outputs such as square wave, rectangular wave, and sawtooth outputs. Search by Specification | Learn More -
I/Q Modulators and I/Q Demodulators - (65 companies)I/Q modulators and I/Q demodulators change the amplitude, frequency, or phase of a carrier signal in order to transmit information. I/Q modulators split an incoming data stream into its in-phase (I) and quadrature (Q) components, mix the resulting... Search by Specification | Learn More -
Incremental Rotary Encoders - (361 companies)Rotor inertia is specified as a product of mass, distance, and/or time, such as oz-in-sec2 or kg-m2. Signal Output. Incremental rotary encoders may feature one of several different types of signal outputs. Quadrature encoders employ two binary... Search by Specification | Learn More -
Linear Encoders - (264 companies)...determines the minimum linear position increment that can be distinguished. Either counts or lines may be specified, but they are not the same; for example, in quadrature systems, a line is associated with four counts or pulses. . Types of Linear... Search by Specification | Learn More -
Rotary Encoder Disks - (20 companies)...patterns for rotary encoder discs that are made by printing or cutting alternating dark and light areas. Quadrature, a common technique, offsets two sets a half line-width apart to produce four counts per line. Other types of patterns permit... Learn More
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RF Phase Shifters - (98 companies)...of output states (phase changes) is 2n . Performance Specifications. Performance specifications for RF phase shifters include frequency range, phase shift range, insertion loss, input voltage standing wave ratio (VSWR), and input power. Frequency range... Search by Specification | Learn More
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Logic Encoders - (71 companies)Logic encoders convert coded information into a familiar or uncoded format. Search by Specification | Learn More
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RF Modules - (137 companies)...shift key (ASK) is a modulation method that transmits data by varying the amplitude of the transmitted signal. Frequency shift key (FSK) is a digital modulation scheme that uses two or more output frequencies. Phase shift key (PSK) varies the phase... Search by Specification | Learn More
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RF Phase Detectors and Comparators - (35 companies)RF phase detectors and comparators are circuits or instruments that provide a DC output voltage proportional to the difference in phase between two RF signals. Search by Specification | Learn More
Product News for Quadrature Phase-shift Keying
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Colby Instruments, Inc.
PIN Diode Modules Programmable Delay Phase Shift PIN Diode Modules offer programmable delay (phase shift) to 1 ps resolution and 5.12 ns total range. Combine three modules (P1-PDM, P2-PDM, and P3-PDM) for a total range to 5.12 nanoseconds. TTL/CMOS level interface. Each module requires +12V and +5V power. P1-PDM for precision (1 ps to 15 ps total delay; 4 steps of delay). P2-PDM for versatility (5 ps step to 1.275 ns total delay; 8 steps of delay). P3-PDM for range (1.28 ns step to 2.56 ns total delay; 2 steps of delay) (read more)Browse RF Phase Shifters Datasheets for Colby Instruments, Inc. -
API Technologies Corp - Spectrum Control & Sensors
WIRELINE® and WIREPAC® Quadrature Couplers API Technologies Corp., a trusted provider of RF/microwave, microelectronics, and security solutions for critical and high-reliability applications, announced today it is now offering design patented WIRELINE ® and WIREPAC ® quadrature couplers. WIRELINE and WIREPAC couplers consist of a pair of wire center conductors surrounded by a continuous dielectric insulator and shielded by a drawn or extruded outer jacket. The resultant construction has the physical attributes of semi-rigid... (read more) -
Magnetic Sensors Corporation
Quadrature Speed and Direction Geartooth Sensors Hall effect circuitry measures speed accurately to true zero, direction of rotation or travel, and true angular position of gear. Built to stand up to hostile environments, including a wide range of operating temperatures. The parts shown herein are typical models and are not intended to limit your options. Specifications can be modified to suit your specific application. (read more) -
Krytar, Inc.
NEW, COMPACT, 90-DEGREE QUADRATURE HYBRID COUPLER KRYTAR ANNOUNCES NEW, COMPACT, 90-DEGREE QUADRATURE HYBRID COUPLER OFFERING HIGH PERFORMANCE OVER ULTRA-BROADBAND FREQUENCY FROM 1.7 GHz TO 36.0 GHz. KRYTAR, Inc., a leader in the design and production of ultra-broadband microwave components and test equipment announces a new 90-degree quadrature hybrid coupler offering high performance over the broadband frequency range of 1.7 to 36.0 GHz in a single compact and lightweight package. RF and microwave designers can see this new 90-degree... (read more)Browse RF Couplers Datasheets for Krytar, Inc. -
LEMO USA, Inc.
Mechanical Keying Metal-Sealed Connectors K Series Environmentally sealed version of the LEMO B Series. With an IP 66 to 68 rating, these connectors handle the outdoors, wash-downs, autoclaving, and an unexpected drop in a puddle. Benefits. Sealed design is watertight without screw coupling, allowing quick connect/disconnect operations. Excellent EMC/RFI shielding. Dense multi-contact and hybrid configurations save panel space and connection time. Multiple keyways prevent accidental cross mating. Reverse sex configurations enhance safety in... (read more)Browse Circular Connectors Datasheets for LEMO USA, Inc. -
Excelitas Technologies Corp.
Pulsed Laser Diodes Pulsed semiconductor lasers in the near IR (NIR) are commonly used for long distance time-of-flight or phase-shift range finding systems. Excelitas offers a broad range of suited pulsed 905 nm lasers including monolithic layered structures with up to 4 active areas per chip, resulting in up to 100 Watts of peak output power. Learn More. A laser diode is a laser where the active medium is a semiconductor similar to that found in a light-emitting diode. The most common and practical type of laser... (read more)Browse Diode Lasers Datasheets for Excelitas Technologies Corp. -
Measurement Specialties, Inc.
LVDT Selection, Handling & Installation Guidelines Measurement Specialties, Inc. (NASDAQ: MEAS), an expert in sensor design and manufacturing, has issued a 10-page application note with many details on how to select, handle and install LVDTs (Linear Variable Differential Transformers). The document provides unprecedented insight and responds to many questions which users typically ask when confronted with the task of using an LVDT. Such issues as phase-shift, frequency response, electro-magnetic shielding, and cross-talk are discussed amongst... (read more)Browse Linear Variable Differential Transformers (LVDT) Datasheets for Measurement Specialties, Inc. -
MICROMO
Faulhaber 2232SR a powerful motor / encoder combo series magnetic encoder integrated into the miniature motor is insensitive to dust, dirt or light incidence – and adds a mere 1.4 mm to the overall length of the motor. This cutting-edge solution offers two quadrature signals (90° phase shift) and up to 512 pulses per revolution per channel, thus combining the world's highest resolution with the smallest footprint for motors equipped with magnetic encoders. The addition of an extensive range of FAULHABER components, such as plastic or metal... (read more)Browse DC Motors Datasheets for MICROMO -
Texas Instruments High-Performance Analog
Dual 14-bit 65MSPS DAC and RF IQ Modulator The AFE7071 is a dual 14-bit 65-MSPS digital-to-analog converter (DAC) with integrated, programmable fourth-order baseband filter and analog quadrature modulator. The AFE7071 includes additional digital signal-processing features such as a quadrature modulator correction circuit, providing LO and sideband suppression capability. The AFE7071 has an interleaved 14-bit 1.8-V to 3.3-V CMOS input. The AFE7071 provides 20 MHz of RF signal bandwidth with an RF output frequency range of 100 MHz to 2.7... (read more)Browse I/Q Modulators and I/Q Demodulators Datasheets for Texas Instruments High-Performance Analog -
Gurley Precision Instruments
M122 Magnetic Rotary Encoder Gurley Precision Instruments introduces a new magnetic encoder, the M122, which offers high performance in a small package (22-mm). The M122 includes a microchip equipped with a matching rotating magnet that provides four output options: binary parallel, synchro-serial (SSI), incremental (quadrature) and analog. The M122 comes standard in an IP64 housing (IP68 optional), with a maximum resolution of 512 words/positions per turn, and accuracy better than a degree. About Gurley Precision... (read more)Browse Absolute Rotary Encoders Datasheets for Gurley Precision Instruments
Parts by Number for Quadrature Phase-shift Keying
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| rfRXD0920 | Microchip Technology, Inc. | Microchip Technology, Inc. | Not Provided | range. Selectable IF bandwidth via external ceramic IF filter. FSK/FM quadrature (phase coincidence) detector demodulator... |
Conduct Research
The IEEE Std 802.15.4TM-2003 [2] sets the requirements for the -85 dBm one percent. packet error ratio (PER) minimum sensitivity. The 2.4 GHz receiver link uses offset. quadrature phase-shift keying (O-QPSK) modulation with direct sequence spreading. spectrum (DSSS) techniques. The main benefit...
...simulation harmonics content of offset quadrature phase-shift keying (OQPSK) spread spectrum. modulation and evaluates the effects of the measurement bandwidth and detector on the harmonics level of both sine and. ZigBee waveforms. Microsoft Word - MWJ May Article Final.docx Budgeting Harmonics...
In radio frequency applications there are many. techniques to choose from: Carrier-Present Carrier-Absent (CPCA) Gaussian Minimized Shift Keying (GMSK). Frequency Shift Keying (FSK). Phase Shift Keying (PSK). Quadrature Modulation. Direct Sequence Spread Spectrum (DSSS). The purpose...
Engineering Web Search: Quadrature Phase-shift Keying
Phase-shift keying - Wikipedia, the free encyclopedia
Phase-shift keying From Wikipedia, the free encyclopedia (Redirected from Coherent differential phase-shift keying)
Quadrature amplitude modulation - Wikipedia, the free...
is a combination of both phase-shift keying (PSK) and amplitude-shift keying (ASK), or (in the analog case) of phase modulation (PM) and amplitude
* Quadrature Phase Shift Keying - (Infotech): Definition
Quadrature Phase Shift Keying QPSK - Quadrature Phase Shift Keying / Vierphasenumtastung F?r die QPSK oder 4-PSK gibt es verschiedene Bezeichnungen.
Differential Quadrature Phase Shift Keying - Telecom...
Dictionary Home » Webster's New World Telecom Dictionary » Differential Quadrature Phase Shift Keying Differential Quadrature Phase Shift Keying
phase-shift keying - Computer Dictionary Definition
Dictionary Home » Computer Definitions » phase-shift keying phase-shift keying See PSK. phase-shift keying
Start page - Fraunhofer HHI
Four Nyquist-shaped 25-GBd quadrature phase-shift keying (QPSK) modulation channels were successfully multiplexed to a...
See Fraunhofer Heinrich Hertz Information
Quadrature-Phase Local Oscillator - What does QLO stand for?...
Quadrature Frequency/Phase Modulation Quadrature Generator Quadrature Intermediate Frequency Mixer Quadrature Method of Moments Quadrature mirror
Scheme for differential quadrature phase-shift...
Scheme for differential quadrature phase-shift keying/quadrature phase-shift keying signal all-optical regeneration based on phasesensitive
A 20-Gb/s Quadrature Phase-Shift-Keying Real-Time Coherent...
A 20-Gb/s Quadrature Phase-Shift-Keying Real-Time Coherent System Based on a Subcarrier Optical Phase-Locked Loop
ADI - Analog Dialogue | Direct Digital Synthesis (DDS)
In four-phase modulation (quadrature PSK or QPSK), the possible phase angles are 0, +90, ?90, and 180 degrees; each phase shift can represent two
See Analog Devices, Inc. Information
