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cmu-ece-1998-031.pdf
anyone have the follow paper,plz?
P.J.Lim, performance limits of circuits for analog-to-digital conversion, Ph.D dissertation, standford university, 1991.
need paper on averaging,please.
P. Figueiredo and J. Vital, “Averaging technique in flash analog-to-digital converters,” IEEE Trans. on Circuits and Systems I, vol. 51, pp. 233-253, Feb. 2004.
Re: Problems of using the "dft" function of cacula
I have meet the same problem.
why select "start time=2u, end time is 2.1u, number of sample is 16384"? thanks
Re: Resistance values
my question is: silicide is usually used to increase the sheet resistance , why in UXC 0.13um process the sheet resistance of non-silicide poly is higher than that of silicide poly?
silicide is used to increase the resistance, but i find that in my 0.18um model file the non-silicide sheet resistance is higher than silicde sheet resistance, can anyone tell me why? is it wrong in the model file?
in simulating of buffer circuit, i found that the peak-to-peak value of the output is lower than that of the input, can anyone tell me the reason, and this will affect the performance of the buffer?
thanks.
I want to analyze the distortion performance of S/H circuit, my hspice netlist statement is :
.fft v(out)
can anyone tell me is this statement right or wrong? other parameter such as FMIN, FMAX should be definded in the .fft statement?
thanks.
Re: Phase margin problem
I have meet the same problem.
my question is:
1. usually the phase is 0 at low frequency, but why is it 180 at low frequency?
2. why "assume that the gain plot crosses the 0 dB line at 20 Mhz. Now the system will be unstable. "? the phase-margin is defined as...
bandpass delta sigma
Thesis: A Superconducting Bandpass Delta-Sigma Modulator for Direct Analog-to-Digital Conversion of Microwave Radio
by John Francis Bulzacchelli
Massachusetts Institute of Technology,2003
This thesis examines the potential of superconducting technology for realizing RF...
Thesis: Amplifier performance enhancement methods using positive feedback techniques
by Mezyad M.Anourah
Iowa State University, 2002
In this thesis, three new methods of implementing th internal positive-feedback to build very high dc-gain amplifiers with very low gain sensitivity to...
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