Products/Services for CPLD Based Frequency Counter

  • Frequency Counters-Image
    Frequency Counters - (153 companies)
    Frequency counters are digital indicating meters for accurate measurement and display of square wave and pulse input signals. Image Credit: Allied Electronics, Inc. Frequency counters are digital devices for accurate measurement and display...
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  • IC Clocks-Image
    IC Clocks - (107 companies)
    ...properly. The integrated circuit continues to maintain an accurate clock until the failure of the reference clock is stabilized. Types of IC Clocks. There are two types of IC clocks: silicon-based timing devices and quartz-crystal oscillators. Silicon-based...
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  • Oscillators-Image
    Oscillators - (558 companies)
    ...normally, in the feedback loop) determines the frequency of oscillation. This active component can be either an electronic circuit or a crystal. Sub-Types. Voltage-controlled oscillators (VCO) and voltage-controlled crystal oscillators (VCXO) change...
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    Digital Counters - (193 companies)
    Database contains information and searchable data on the various functional types of digital counters. Frequency counters are units for displaying frequency, the number of cycles per second of a waveform. The unit of frequency is Hertz (Hz). Position...
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  • Logic Counters-Image
    Logic Counters - (75 companies)
    ...and available features are also important to consider. Types of Digital Counters. The GlobalSpec SpecSearch Database contains information and searchable data on the various functional types of digital counters. Frequency counters are units for displaying...
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    Counter and Timer Boards - (73 companies)
    ...to measure system latency, time software, and monitor product conveyor lines. Selecting counter and timer boards requires an analysis of several performance specifications. Devices vary in terms of the number of counters, the maximum count frequency...
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    Complex Programmable Logic Devices (CPLD) - (53 companies)
    ...specifications for complex programmable logic devices. Internal frequency is the speed at which CPLDs can perform operations or transfer data internally. The propagation delay is the time interval between the application of an input signal...
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    Electromechanical Counters - (108 companies)
    Frequency counters are used to display frequency, the number of cycles per second of a waveform, in Hertz (Hz). Typically, they are used as test equipment in the electronics industry. Pulse counters are designed to count a momentary but sharp change...
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    Frequency Meters - (117 companies)
    Frequency meters are instruments that provide analog outputs as frequencies that vary as a function of the applied input. They display values on a dial, usually with a needle or moving pointer. Frequency meters measure repetitions per unit of time...
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    Computer Based Instruments - (45 companies)
    ...temperature, maximum shock, maximum vibration, analog bandwidth, and number of channels. A computer-based spectrum analyzer displays signal amplitude on the vertical axis and frequency on the horizontal axis. Computer-based spectrum analyzers...
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  • A VHDL Model of a IEEE1451.2 Smart Sensor: Characterization and Applications
    Both these C- based STIMs have an external frequency counter that is realized with an additional small CPLD (64 macrocells used), because considered microcontrollers have internal counters that can operate up to 2.5 MHz (PIC16C62) or 5 MHz (PIC18F452), Power consumption …
  • VHDL implementation of a IEEE1451.2 smart sensor
    Because considered microconhollers have internal counters that can operate up to 2.5 MHz (PIC16C62) or 5 MHz (PIC18F452), both these pC- based STIMs have an external frequency counter that is realized with an additional small CPLD (64 macrocells used).
  • A short time measurement based on length vernier
    … Chinese Metrology Publish House, 1996 [2] HP5370B Universal Time Interval Counter Manual [3] Wei Zhou … … time interval measurement technique based on time – space … … processing, 2006 IEEE International Frequency Control Symposium [4] Wei … … Interval Measurement Based on CPLD , Measurement Technique, No. 7 …
  • A Designer’s Guide to Built-In Self-Test
    … clique partitioning algorithm 126 clock enable problem 119, 206 clock frequency 12 clock-to-output … … 11, 82, 84 comparator- based ORA 82, 111, 226 … … Complex Programmable Logic Device ( CPLD ) 32, 53,193, 221 … … 223, 242 constant-weight counter 63 controllability 33, 43 …
  • Advanced Research on Intelligent Systems and Mechanical Engineering
    The counter consists of LED light source, double linear array CCD sensors TCD1209D, synchronously driving circuit for double linear array CCD based on CPLD EPM3064A, synchronously data acquisition card with A/D converter TLC 5510 of the high speed, and host computer. … is 400 millimeter wide, the horizontal resolution is 0.1 millimeter, the driving frequency of linear array …
  • The Development of Automatic Electronic Granulation Counter Based on Mechanical Properties
    The counter consists of LED light source, double linear array CCD sensors TCD1209D, synchronously driving circuit for double linear array CCD based on CPLD EPM3064A, synchronously data acquisition card with A/D converter TLC 5510 of the high speed, and host computer. … is 400 millimeter wide, the horizontal resolution is 0.1 millimeter, the driving frequency of linear array …
  • Using FPGA and CPLD ICs to Achieve High-Frequency PWM
    This paper is the development of a high- frequency PWM generator architecture for power converter control using FPGA and CPLD ICs. The proposed architecture is based on a special design synchronous binary counter and can be easily interfaced to a microcontroller or DSP system.
  • Practical Applications of Intelligent Systems
    By observing simulation data Counter-i32 and Counter -u32 was informed, based on synchronous collection, time-sharing reading access to get fourfold frequency code value change as expected uniformity continuous. … Quartus for waveform simulation proved through software pro- gramming can be effectively solving CPLD counter build in …
  • http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA439948&Location=U2&doc=GetTRDoc.pdf
    The speed of CPLD based counters is independent of counter size. Device Type # Cells (% of Device) Maximum Frequency .
  • The Phase Stabilities of the Servo Circuit in a Rubidium Vapor Cell Frequency Standard
    phase shifter based on CPLD is proposed. Figure 4:The block diagram of a digital phase shifter As shown in Figure 4, fre1 and fre2 are the frequency division of VCXO by using a same counter , and the phase between fre1 and fre2 can be adjusted through modifying the value …