Products/Services for CPLD Based Frequency Counter

  • Frequency Counters-Image
    Frequency Counters - (153 companies)
    ...of square wave and pulse input signal frequencies. A frequency counter is an electronic instrument used to measure frequency and time. Frequency counters are used for a wide range of frequency and time measurements and display many digits of accuracy... Search by Specification | Learn More
  • 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... Search by Specification | Learn More
  • Oscillators-Image
    Oscillators - (569 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... Search by Specification | Learn More
  • Computer Based Instruments-Image
    Computer Based Instruments - (46 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... Learn More
  • Counter and Timer Boards-Image
    Counter and Timer Boards - (72 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... Search by Specification | Learn More
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    Frequency Sensors - (26 companies)
    Frequency sensors measure the frequency of an electric signal. Frequency sensors measure the frequency of an electrical signal. Frequency sensors are used in aircraft and industrial applications where equipment is sensitive to changes in frequency... Learn More
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    Logic Counters - (77 companies)
    Counter and timer combinations are counters that can perform both counting and timing functions. Digital Counter Specifications. A number of other specifications for digital timers should be considered other than or in addition to the desired... Search by Specification | Learn More
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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. Image Credit: Allied Electronics, Inc. | Made-in-China... Search by Specification | Learn More
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    Digital Counters - (197 companies)
    ...where counting is generally subtractive. The counter resets or auto-recycles to the preset count. When the counter counts to zero, the output associated with the preset number occurs. Pulse counters are used to count a momentary but sharp change... Search by Specification | Learn More
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    Complex Programmable Logic Devices (CPLD) - (55 companies)
    ...devices contain macrocells with a sum-of-product combinatorial logic function and an optional flip-flop. Depending on the CPLD, the combinatorial logic function supports from four to sixteen product terms with wide fan-in. Complex programmable logic... Search by Specification | Learn More
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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...
  • Power Aware Remote Information System (PARIS)
    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...