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Recent content by betty1007

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    who to use phase detector as a GFSK demodulator

    hi , everyone Is there any method to make phase detector output as a FSK demodulated signal? thx advance
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    setting cdf parameters - which parameters question

    cdf parameter hi everyone when i setting cdf parameters,in simulation information section, which parametets should be fill in the instanparameter field, and which parametets should be fill in the otherparameter field. thinks
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    why FM is preffered for high frequency and AM for low ?????

    FM need more bandwidth than AM , but FM has a better transmission characteristic than AM
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    question about FM, demodulator, noise transfunction

    about FM demodulator Hi all, i am designing a FM PLL demodulator, i have two question: 1.how the noise of the demodulator decreases the SNR of output signal, can we analysis it likes plls? 2.I want to know the noise transfunction from FM carrier to FM demodulated signal, when the demodulator...
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    about FM demodulator noise

    fm demodulation noise 1.Signal-to-noise analysis of FM demodulation in the presence of multiplicative and additive noise Source Signal Processing archive Volume 80 , Issue 9 (September 2000) table of contents Special issue on current topics in adaptive filtering for hands-free acoustic...
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    pnoise simulation of VCO- how to perform ?

    pnoise simulation hi,everyone i am dealing with a pll, and i want to simulate the performance of VCO . Does anyone can tell me how to do a pnoise analysis in detail. THANKS
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    Help me analyze the distortion in feedback opamp

    hi, everyone i want to analysis the distortion in feedback opamp, but i find it is a hard work. only HD2 and HD3 is considerated. first, in open loop: vout=a1*vin+a2*vin^2+a3*vin^3 then, in unit agin close loop : vout=a1*(vin-vout)+a2*(vin-vout)^2+a3*(vin-vout)^3 it is very difficult to solve...
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    A linear fully balanced CMOS OTA for VHF filtering applications

    hi, all i need those two paper 1.High-frequency two-input CMOS OTA for continuous-time filterapplications Glinianowicz, J. Jakusz, J. Szczepanski, S. Sun, Y. Fac. of Electron., Telecommun. & Inf., Tech. Univ. Gdansk; This paper appears in: Circuits, Devices and Systems, IEE Proceedings -...
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    Vdd and gnd for Mixed signal layout

    the two ground and power plates should be separated to avoid noise crosstk
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    Problem with connecting inverting amplifier with an integrator

    circuit design I think the resistor values are too low
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    how to pause a hspice simulation?

    saveoperation and then load this file
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    How to use ADC which has negative and positive input

    How to use ADC? please post your ADC
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    When an Operational Amplifier becomes an Operational Transconductance Amplifier?

    OPAMP To OTA OTA can only drive cap or large resistor,but op amp can drive low resistive loads
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    How to determine the capacitor size for SC-CMFB?

    hi friends: Can somebody tell me how to determine the capacitor size for SC-CMFB? does it decrease CM loop bandwith ? thanks in advance

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