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  1. Z

    Can I find electrical length using S parameters?

    Re: electrical length the elctrical length is the length with respect to the wavelength. This depends on both the frequency of interest and the speed of light in th medium you are using.
  2. Z

    how to reduce total hormonic distortion in sin waves?

    Re: %THD reduction This question is very open and general. The keyword you are looking for is "Linearization Techniques" This will of course depend on the circuit you are designing.
  3. Z

    Matlab code for 1D inverse scattering using riccati algorithm

    Hi All, Can any one provide me with matlab code for 1D inverse scattering using riccati algorithm Best regards
  4. Z

    Looking for documents about microwave imaging

    Hi All, Can anyone provide me with any documents about microwave imaging using inverse scattering techniques for 1-D imaging Best regards
  5. Z

    Analog Delay locked loop circuit THESIS

    delay line loop mismatch noise A Low-Phase Noise, Anti-Harmonic Programmable DLL Frequency Multiplier With Period Error Compensation for Spur Reduction Du, Q. Zhuang, J. Kwasniewski, T. This paper appears in: Circuits and Systems II: Express Briefs, IEEE Transactions on [see also...
  6. Z

    Analog Delay locked loop circuit THESIS

    delay cell linearity + dll CMOS DLL-based 2-V 3.2-ps jitter 1-GHz clock synthesizer and temperature-compensated tunable oscillator Foley, D.J. Flynn, M.P. Dept. of Microelectron, Nat. Univ. of Ireland, Cork, Ireland; This paper appears in: Solid-State Circuits, IEEE Journal of...
  7. Z

    Analog Delay locked loop circuit THESIS

    analog delay circuit Low-jitter clock multiplication: a comparison between PLLs and DLLs van de Beek, R.C.H. Klumperink, E.A.M. Vaucher, C.S. Nauta, B. Univ. of Twente, Enchede, Netherlands This paper appears in: Circuits and Systems II: Analog and Digital Signal Processing, IEEE...
  8. Z

    Do we need high frequency inductor for 500kHz DCDC converter

    Re: dcdc inductor freq The higher the frequency the lower the inductance value as the inductor impedance is wL. As for the output capacitance it is used to reduce the ripple of the output voltage and it's value can be reduced by increasing the switching frequency.
  9. Z

    How we can increase the range of RFID system?

    Of course no, the maximum distance of passive UHF tags is about 10m. To cover larger distance you should use battery powered tags.
  10. Z

    Reference voltages from BGR

    A CMOS bandgap reference circuit with sub-1-V operation Banba, H. Shiga, H. Umezawa, A. Miyaba, T. Tanzawa, T. Atsumi, S. Sakui, K. Toshiba Corp., Yokohama, Japan; This paper appears in: Solid-State Circuits, IEEE Journal of Publication Date: May 1999 Volume: 34 , Issue: 5 On...
  11. Z

    How we can increase the range of RFID system?

    To increase the range you should go to higher frequencies i.e UHF RFid; beacause the operating zone of passive HF RFID systems (13.56MHz and also <135kHz) is in the “near field” of the reader transmission antenna, which results in achievable operating distances of approximately the diameter of...
  12. Z

    Cadence 5.14 and Internet

    Hi; Please I have a problem: Cadence 5.14 does not work except if the network is connected to the internet. Does any one know what is the problem? thanks

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