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Low-frequency

  • For USB program, low pass filter for audio,Audio Low-frequency Pass filter.

    For USB program, low pass filter for audio,Audio Low-frequency Pass filter.

    標簽: filter Low-frequency program Audio

    上傳時間: 2014-01-16

    上傳用戶:zhichenglu

  • Low frequency NXP hitag2 encryption cipher This the low frequency NXP hitag2 encryption cipher.

    Low frequency NXP hitag2 encryption cipher This the low frequency NXP hitag2 encryption cipher. The package hitag2.zip contains the following files: hitag2.png - Cipher overview hitag2.c - Source-code

    標簽: encryption frequency cipher hitag2

    上傳時間: 2016-09-23

    上傳用戶:sclyutian

  • Based on the frequency of single-chip design, can measure the number of Low-frequency signal

    Based on the frequency of single-chip design, can measure the number of Low-frequency signal

    標簽: Low-frequency single-chip frequency the

    上傳時間: 2016-12-25

    上傳用戶:彭玖華

  • low frequency therapy system control VHDL code

    low frequency therapy system control VHDL code

    標簽: frequency control therapy system

    上傳時間: 2017-05-10

    上傳用戶:songyue1991

  • The Schumann resonance frequencies are a set of eigenmodes in the extremely low frequency (ELF) port

    The Schumann resonance frequencies are a set of eigenmodes in the extremely low frequency (ELF) portion of the electromagnetic field spectrum. These frequencies are only present for planetary-like bodies with a substantial ionosphere acting as a perfect electric conductor, thus forming a resonance cavity with the surface. In this example, the Schumann resonance frequencies for the Earth are calculated.

    標簽: frequencies eigenmodes resonance extremely

    上傳時間: 2014-12-09

    上傳用戶:stella2015

  • 音頻數模轉換器DAC抖動的靈敏度分析

    Abstract: This application note describes how sampling clock jitter (time interval error or "TIE jitter") affectsthe performance of delta-sigma digital-to-analog converters (DACs). New insights explain the importanceof separately specifying Low-frequency (< 2x passband frequency) and high-frequency or wideband (> 2xpassband frequency) jitter tolerance in these devices. The article also provides an application example ofa simple highly jittered cycle-skipped sampling clock and describes a method for generating a properbroadband jittered clock. The document then goes on to compare Maxim's audio DAC jitter tolerance tocompetitor audio DACs. Maxim's exceptionally high jitter tolerance allows very simple and low-cost sampleclock implementations.

    標簽: DAC 音頻 數模轉換器 抖動

    上傳時間: 2013-10-25

    上傳用戶:banyou

  • ADC轉換器技術用語 (A/D Converter Defi

    ANALOG INPUT BANDWIDTH is a measure of the frequencyat which the reconstructed output fundamental drops3 dB below its low frequency value for a full scale input. Thetest is performed with fIN equal to 100 kHz plus integer multiplesof fCLK. The input frequency at which the output is −3dB relative to the low frequency input signal is the full powerbandwidth.APERTURE JITTER is the variation in aperture delay fromsample to sample. Aperture jitter shows up as input noise.APERTURE DELAY See Sampling Delay.BOTTOM OFFSET is the difference between the input voltagethat just causes the output code to transition to the firstcode and the negative reference voltage. Bottom Offset isdefined as EOB = VZT–VRB, where VZT is the first code transitioninput voltage and VRB is the lower reference voltage.Note that this is different from the normal Zero Scale Error.CONVERSION LATENCY See PIPELINE DELAY.CONVERSION TIME is the time required for a completemeasurement by an analog-to-digital converter. Since theConversion Time does not include acquisition time, multiplexerset up time, or other elements of a complete conversioncycle, the conversion time may be less than theThroughput Time.DC COMMON-MODE ERROR is a specification which appliesto ADCs with differential inputs. It is the change in theoutput code that occurs when the analog voltages on the twoinputs are changed by an equal amount. It is usually expressed in LSBs.

    標簽: Converter Defi ADC 轉換器

    上傳時間: 2013-11-12

    上傳用戶:pans0ul

  • 射頻集成電路設計John Rogers(Radio Freq

    Radio Frequency Integrated Circuit Design I enjoyed reading this book for a number of reasons. One reason is that itaddresses high-speed analog design in the context of microwave issues. This isan advanced-level book, which should follow courses in basic circuits andtransmission lines. Most analog integrated circuit designers in the past workedon applications at low enough frequency that microwave issues did not arise.As a consequence, they were adept at lumped parameter circuits and often notcomfortable with circuits where waves travel in space. However, in order todesign radio frequency (RF) communications integrated circuits (IC) in thegigahertz range, one must deal with transmission lines at chip interfaces andwhere interconnections on chip are far apart. Also, impedance matching isaddressed, which is a topic that arises most often in microwave circuits. In mycareer, there has been a gap in comprehension between analog Low-frequencydesigners and microwave designers. Often, similar issues were dealt with in twodifferent languages. Although this book is more firmly based in lumped-elementanalog circuit design, it is nice to see that microwave knowledge is brought inwhere necessary.Too many analog circuit books in the past have concentrated first on thecircuit side rather than on basic theory behind their application in communications.The circuits usually used have evolved through experience, without asatisfying intellectual theme in describing them. Why a given circuit works bestcan be subtle, and often these circuits are chosen only through experience. Forthis reason, I am happy that the book begins first with topics that require anintellectual approach—noise, linearity and filtering, and technology issues. Iam particularly happy with how linearity is introduced (power series). In therest of the book it is then shown, with specific circuits and numerical examples,how linearity and noise issues arise.

    標簽: Rogers Radio John Freq

    上傳時間: 2014-12-23

    上傳用戶:han_zh

  • MR16 LED驅動MR16 LED燈與電子變壓器兼容

    Abstract: There are differences between the operation of Low-frequency AC transformers and electronic transformersthat supply current to MR16 lamps, and there are also differences in the current draw for MR16 halogen lamps andMR16 LED lamps. These contrasts typically prevent an MR16 LED lamp from operating with most electronictransformers. This article explains how a high-brightness (HB) LED driver optimized for MR16 lamps will allow LEDlamps to be compatible with most electronic transformers.A similar version of this article appeared on Display Plus, July 7, 2012 and in German in Elektronikpraxis, October 1,2012.

    標簽: LED MR 16 驅動

    上傳時間: 2013-10-14

    上傳用戶:playboys0

  • G3-PLC技術使電動汽車智能化充電

    Abstract: This article explores criteria necessary for reliable communication between electric vehicles (EVs) and electric vehicleservice equipment (EVSE). Data will demonstrate that a G3-PLC system has already met the criteria established by the automotiveand utility industries. Multiple international tests prove that a G3-PLC implementation is the optimal Low-frequency solution.

    標簽: PLC 電動汽車 智能化 充電

    上傳時間: 2014-12-24

    上傳用戶:逗逗666

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