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Phase-locked loop (PLL) frequency synthesizers are electronic devices that produce frequencies coherent to a reference frequency. Search by Specification | Learn More about PLL Frequency Synthesizers
Industrial liquid handling pumps are classified in many different ways, and are distinguished by the media pumped and the fluid motive mechanism (dynamic or displacement). Search by Specification | Learn More about Industrial Liquid Handling Pumps
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 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
IC phase-locked loops (PLL) are closed-loop frequency controls that are based on the phase difference between the input signal and the output signal of a controlled oscillator. Learn More about Phase-locked Loops (PLLs)
...in cell phones, global positioning systems (GPS), radio receivers, satellite receivers, and mobile telephones. There are three basic types of products: direct analog synthesis (DAS), direct digital synthesis (DDS), and indirect digital. DAS frequency... Search by Specification | Learn More about Frequency Synthesizers
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 about RF Phase Detectors and Comparators
They also include a clock line that enables a clock pulse to sequence the processor and a reset line that resets the program counter and restarts execution. Basic microprocessor chip components include one or more arithmetic logic units (ALU) and shift... Search by Specification | Learn More about Microprocessor Chips (MPU)
...phase shifters change the output signal phase by applying a variable control signal. There are two basic types of variable phase shifters: analog and digital. Analog phase shifters change the output phase with a continuous signal, usually voltage... Search by Specification | Learn More about RF Phase Shifters
...modulators split an incoming data stream into its in-phase (I) and quadrature (Q) components, mix the resulting signals with local oscillators that are 90º apart in phase, and then combine the outputs vectorially in a 0º mixer. There are three basic... Search by Specification | Learn More about I/Q Modulators and I/Q Demodulators
Plastic molding services use a number of different molding techniques to produce components, including thermoplastic and thermoset injection molding, blow molding (includes injection blow molding), rotational molding, thermoforming, structural foam molding, compression molding, resin transfer molding (RTM), and others. Search by Specification | Learn More about Plastic Molding Services
...curtains have a basic object detection size, finger, hand or body. Finger and hand detection is necessary when the operator is a short distance away from the hazardous zone. Body (or arm detection) is suitable for perimeter guarding. Safety... Search by Specification | Learn More about Light Curtains
Plating services apply a thin coating of metal to the surface of a substrate in order to improve conductivity, prevent rust and corrosion, and facilitate soldering. There are two basic plating techniques: electroplating and electroless plating Search by Specification | Learn More about Plating Services
...structured text (ST), instruction list (IL), relay ladder logic (RLL), flow chart, C, and Basic. The IEC 61131-3 programming environment provides support for five languages specified by the global standard: Sequential Function Chart, Function Block... Search by Specification | Learn More about Programmable Logic Controllers (PLCs)
...and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches. There are two basic methods for temperature measurement, contact and noncontact. Within these two groupings, an engineer is likely to come... Search by Specification | Learn More about Temperature Instruments
Wireways and cable troughs are designed to protect electrical wires from dust, dirt, water and oil. Wireways and cable troughs are designed to protect electrical wires from dust, dirt, water and oil. There are three basic types of products: lay... Search by Specification | Learn More about Wireways and Cable Troughs
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BOARD-TO-BOARD RF COAXIAL INTERCONNECT SOLUTIONS Radiall
Multiple Configuration Technology (MCT) Matric
SAS-550-1B Battery Operated Active Monopole A.H. Systems Inc.
AK-40G A.H. Systems Inc.
Motor Line Feed-Through Filters Now in Stock Spectrum Control Inc.
Space Saving EMI Tile for Anechoic Chamber Room Intermark (USA), Inc.
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Hosokawa Micron Powder Systems hosted a webinar on the basic principles of size reduction. The presentation was given by Rob Voorhees, Vice President and General Manager of Hosokawa Micron Powder Systems. It covers some of the most common and widely used equipment for coarse to medium size reduction. Watch it at http://www.hmicronpowder.com/pages/webinar.php?uid=13 (read more)
Folie 1
Physik Instrumente USA opens Online Store
Auburn, MA, PI (Physik Instrumente) L.P. a leading manufacturer of nanopositioning and precision motion control equipment has opened an online store to better support its North American customer base.
The store URL is
http://store.pi-usa.us (read more)
The new MC145170-2 is pin-for-pin compatible with the MC145170-1. The MC145170-2 is recommended for new designs and has a more robust power-on reset (POR) circuit that is more responsive to momentary power supply interruptions. (read more)
The ML145152 is programmed by 16 parallel inputs for the N and A counters and three input lines for the R counter. The device features consist of a reference oscillator, selectable–reference divider, two–output phase detector, 10–bit programmable divide–by–N counter, and 6–bit programmable ÷ A counter (read more)
The ML145151 is programmed by 14 parallel–input data lines for the N counter and three input lines for the R counter. The device features consist of a reference oscillator, selectable– reference divider, digital–phase detector, and 14–bit programmable divide–by–N counter. (read more)
The ML145157 has a fully programmable 14–bit reference counter, as well as a fully programmable ÷ N counter. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. (read more)
The ML145158 has a fully programmable 14–bit reference counter, as well as fully programmable ÷ N and ÷ A counters. The counters are programmed serially through a common data input and latched into the appropriate counter latch, according to the last data bit (control bit) entered. (read more)
V-Basic Standard electromechanical switch (V15 series) complements the existing V-Basics Premium switch line that includes its popular V7 and V5 series switches. Available with a variety of actuators, electrical loads and special terminations, the Standard operations, where the cost to replace a failed switch is minimal. (read more)
Free whitepaper: An Introduction to Power Quality Basics
This paper covers the basics of power quality:
Tek-Air is proud to introduce the APEX Basic Velocity Alarm to the Critical Environments Industry. The APEX Basic was developed by Tek-Air to provide the industry with a cost-effective, accurate and reliable velocity alarm to help ensure a safe operating environment for laboratory personnel. (read more)
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Digital PLL Synthesis Digital National Semiconductor Digital PLL Synthesis Application Note 335 Craig Davis Tom Mills PLL Keith Mueller April 1983 Synthesis I System See National Semiconductor Information |
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Application Note 210 New Phase-Locked-Loops Have Advantages as... blocks of a standard PLL. The frequency and phase detec- Have This PLL can operate over a wide frequency range, not just tion do not consist of a See National Semiconductor Information |
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Xilinx XAPP868 Clock Data Recovery Design Techniques for E1/T1... Basic PLL The basic PLL shown in Figure 1 consists of three elements: a phase detector, a controlled Theory oscillator, and a low-pass filter. See Xilinx, Inc. Information |
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Xilinx DS100 Virtex-5 Family Overview See Xilinx, Inc. Information |
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a basic question about the pll a basic question about the pll EDAboard.com Forum Index -> RF, Microwave, Antennas and Optics -> a basic question about the pll |
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HFTA-07.0: Precision Reference Clock Usage in Clock and Data... Figure 3. Modifications to the basic PLL block are used to implement CDR circuits. See Maxim Integrated Products, Inc. Information |
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MATLAB Central - Files pll, analog, dll, filter, communications, wireless See MathWorks, Inc. (The) Information |
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MATLAB Central - Files AM, FM Familiarization (missing part) Basic familiarization about AM and FM Author: Santosh Shah See MathWorks, Inc. (The) Information |
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Error: GXB Central Control Units <Transceiver 1> and... devices contain transceiver instances configured in Basic (PMA Direct) mode utilizing a CMU PLL. See Altera Corporation Information |
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Why does the data get corrupted when I configure the Stratix®... Why does the data get corrupted when I configure the Stratix® II GX transceiver channel in basic double width mode with rate matcher? See Altera Corporation Information |