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Search for: "frequency meter"
Search results: 351   Output: 31-40   Including: frequency (291); meter (88).
  1. .. microcontroller-generated pulse-width-modulated (PWM) signals have a response that is typically a tenth of the PWM frequency. This Design Idea is a novel implementation of a previously published method [ 1 ] employing a ...
    24-12-2013
  2. .. drawback in terms of overall system cost, efficiency and thermal management when the system works at a high switching frequency. If the die-size is bigger, device's intrinsic capacitances and switching losses are higher. However, ...
    21-12-2013
  3. .. a sudden loss of data or information caused by a power supply disconnection (blackout). Power and voltage spikes, supply frequency changes, noise and radio frequency interference affect negatively the load. In figure, the basic ...
    Circuits » Supply · Application Notes » STMicroelectronics » STP90N55F4, STP110N55F6
    21-12-2013
  4. .. to low supply voltages. It could be used as the basis for a PWM control loop, a timer, or a VCO, or as a capacitance-to-frequency converter. It’s a nifty circuit for two reasons: It uses an open-drain comparator output to make ...
    Circuits » Oscillators » TS12011, TS12012
    19-12-2013
  5. .. has required dedicated semiconductor switching devices from both cost and performance standpoints. Although the operating frequency of IGBT is limited to the several tens of kHz due to its inevitably large tail current loss, it is very ...
    Circuits » Supply · Power · Application Notes » Fairchild » FGA50S110P, FGA15S125P, FGA20S120M, FGA20S125P, FGA25S125P, FGH30S130P, FGA30S120P, FGA20S140P
    16-12-2013
  6. .. Note CN-0320 December 2013 This circuit is a flexible, frequency agile, direct conversion IF-tobaseband receiver. A fixed conversion gain of 5 dB reduces the cascaded ...
    Circuits » Radio · Application Notes » Analog Devices » ADRF6510, ADRF6801, AD9248
    13-12-2013
  7. .. inversion in the physical layer before transmission and after reception. With today’s vast selection of radio frequency (RF) transceivers and baseband processors, it is easy to imagine how one could come across a set of RF ...
    Circuits » Wireless · Application Notes » Maxim » MAX2547, MAX2548, MAX2550, MAX2551, MAX2553, MAX2557, MAX2597, MAX2598, MAX2599
    13-12-2013
  8. .. most realize. Take, for example, the smart grid with smart meters. Every day utilities are installing a shiny new smart meter on our house and encouraging us to take control of our energy future. We are to monitor and report consumption ...
    Circuits » Automation · Application Notes » Maxim » MAX11040K, MAXQ1050
    13-12-2013
  9. .. a trim potentiometer can be added to the midpoint of R2/R3. With the values shown, the pulse-width modulation (PWM) frequency is approximately 45 kHz, which can be modified by changing C3. The power MOSFETs and inductor must be ...
    10-12-2013
  10. .. of the PCB layers dielectric constant and the proximity to other objects. These parameters affect the actual centre frequency, gain and bandwidth of the antenna. Download Application Note (715 Kb) Efficiency vs. Bandwidth
    Circuits » Wireless · Radio · Application Notes » Abracon » AMCA31, AMCA52, AMCA62, AMCA72, AMCA81, AMCA92
    06-12-2013
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