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Transformers

  • High Frequnecy Power Transformers

    High Frequnecy Power Transformers

    標簽: Transformers Frequnecy Power High

    上傳時間: 2017-06-17

    上傳用戶:無聊來刷下

  • 寄生電容在升壓變壓器中的設計應用

    One of the most critical components in a step-up design like Figure 1 is the transformer. Transformers have parasitic components that can cause them to deviate from their ideal characteristics, and the parasitic capacitance associated with the secondary can cause large resonating current spikes on the leading edge of the switch current waveform.

    標簽: 寄生電容 升壓變壓器 中的設計

    上傳時間: 2013-11-22

    上傳用戶:15070202241

  • 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

  • 具有寬輸入范圍的微型單片降壓型穩壓器

      Automotive batteries, industrial power supplies, distributedsupplies and wall Transformers are all sources ofwide-ranging high voltage inputs. The easiest way to stepdown these sources is with a high voltage monolithicstep-down regulator that can directly accept a wide inputrange and produce a well-regulated output. The LT®3493accepts inputs from 3.6V to 36V and LT3481 acceptsinputs from 3.6V to 34V. Both provide excellent lineand load regulation and dynamic response. The LT3481offers a high effi ciency solution over a wide load range andkeeps the output ripple low during Burst Mode® operationwhile the LT3493 provides a tiny solution with minimalexternal components. The LT3493 operates at 750kHzand the LT3481 has adjustable frequency from 300kHzto 2.8MHz. High frequency operation enables the use ofsmall, low cost inductors and ceramic capacitors.

    標簽: 輸入 降壓型穩壓器

    上傳時間: 2014-12-24

    上傳用戶:Pzj

  • DN458降壓轉換器簡化低電壓設計

      Many system designers need an easy way to producea negative 3.3V power supply. In systems that alreadyhave a transformer, one option is to swap out the existingtransformer with one that has an additional secondarywinding. The problem with this solution is that manysystems now use Transformers that are standard, offthe-shelf components, and most designers want toavoid replacing a standard, qualifi ed transformer with acustom version. An easier alternative is to produce thelow negative voltage rail by stepping down an existingnegative rail. For example, if the system already employsan off-the-shelf transformer with two secondary windingsto produce ±12V, and a –3.3V rail is needed, a negativebuck converter can produce the –3.3V output from the–12V rail.

    標簽: 458 DN 降壓轉換器 低電壓

    上傳時間: 2013-10-09

    上傳用戶:Jerry_Chow

  • LT1010在電源緩沖區中的應用

      A frequent requirement in systems involves drivinganalog signals into non-linear or reactive loads. Cables,Transformers, actuators, motors and sample-hold circuitsare examples where the ability to drive diffi cult loads isrequired. Although several power buffer amplifi ers areavailable, none have been optimized for driving diffi cultloads.

    標簽: 1010 LT 電源 中的應用

    上傳時間: 2014-12-24

    上傳用戶:1109003457

  • EMC_電磁兼容性設計英文版

    EMC_電磁兼容性設計英文版_RF currents flow easily through galvanic isolation : Transformers 500pf , relays 10 pf ,opto couplers 1 pf .

    標簽: EMC 電磁兼容性 英文

    上傳時間: 2013-10-30

    上傳用戶:pzw421125

  • The Hilbert Transform is an important component in communication systems, e.g. for single sideband m

    The Hilbert Transform is an important component in communication systems, e.g. for single sideband modulation/demodulation, amplitude and phase detection, etc. It can be formulated as filtering operation which makes it possible to approximate the Hilbert Transform with a digital filter. Due to the non-causal and infinite impulse response of that filter, it is not that easy to get a good approximation with low hardware resource usage. Therefore, different filters with different complexities have been implemented. The detailed discussion can be found in "Digital Hilbert Transformers or FPGA-based Phase-Locked Loops" (http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4629940). The design is fully pipelined for maximum throughput.

    標簽: e.g. communication Transform important

    上傳時間: 2017-06-25

    上傳用戶:gxf2016

  • Modern Communication Circuits

    There have been many advances in communication circuits since the publication of the first edition of this book.Yet most of communication circuit fundamentals remain intact.Amplifier,oscillator , tuned circuits,Transformers,mixers and power amplifiers  still among fundamental  building  blocks of communication circuits.

    標簽: Communication Circuits Modern

    上傳時間: 2020-05-31

    上傳用戶:shancjb

  • TI反激變換器變壓器設計相關資料

    This Section covers the design of power Transformers used in buck-derived topologies: forward converter, bridge, half-bridge, and full-wave centertap. Flyback Transformers (actually coupled inductors) are covered in a later Section. For more specialized applications, the principles discussed herein will generally apply.

    標簽: 反激變換器 變壓器

    上傳時間: 2021-12-16

    上傳用戶:fliang

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