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Recent content by Kfactor

  1. K

    What architectures of power amplifiers are used in various industries?

    high power transistor output audio amplifier What's the difference between class D and class E ?
  2. K

    What architectures of power amplifiers are used in various industries?

    Hi, What class of power amplifier or what architecture of power amplifier are used in various industries (i.e. wireless, telecom, cable, audio etc.) ? Which is most popular or efficeint or linear ? Please shed some light if you can ............. thanks,
  3. K

    Explanation of modes in waveguide

    Modes in Waveguide I have been reading Electromagnetics book by Kraus/Fleisch to understand modes in waveguide but its not very clear to me, I don't have access to other book right now because the library is closed for the holidays. Can anybody kindly give me an intuitive explanation about...
  4. K

    How to measure parameter of Fully differential OPamp??

    So, you are designing a pipeline ADC, I may have some usefull info for you, but just out of curiosity: is this a university project, which university and who is your adviser?
  5. K

    How to reduce the noise of a gilbert mixer?

    Re: Mixer To linearize a BJT with inductor has been around long before 2001, the major benefit here is that inductors are noiseless unlike ressistors, but the drawback is that it's hard to make a high Q monolithic inductor, and it also requires lot of silicon real estate. Please let me know...
  6. K

    How to reduce the noise of a gilbert mixer?

    Re: Mixer Never seen this done on a gilbert four quadrant mixer but it sounds interesting. Any other ideas ?
  7. K

    How to reduce the noise of a gilbert mixer?

    Re: Mixer May be in the GHz range and bringing down to an IF of 900Mhz for downconversion
  8. K

    How to reduce the noise of a gilbert mixer?

    Mixer How to reduce the noise of a gilbert mixer? :roll:
  9. K

    Electromagnetic Waves and principal

    Is there any educational applet online for electromagnetic theory ? or is there any webcast of an undergraduate or graduate class from a University? I am a EE but havn't been in touch with Electromagnetic Wave theory for over ten years, I want to review the concept with some sort of educational...
  10. K

    balance-unbalance transformer for CM to DM (Balun)

    Hi I need a circuit made with transformers to use it in spice to convert (vo+,vo-) to (Vod, Voc) and to convert vi+,vi- to vid,vic. I need this circuit to use it in a fully differenctial amplifier in spice.
  11. K

    What is the difference between synthesizer and PLL?

    Synthesizer Hi, Can anybody please tell me what is the difference between synthesizer and PLL? What is the function of Synthesizer? How is it different form up/down converter? And also like to know where can I read up on Synthesizers? thank you very much,

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