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Hi, I meet some problem in designing a decimation filter for a sigma-delta ADC
I don't have much experience in digital filter design, so I am quite confused when
look into the principle of the decimation filter.
Suppose we have a bit stream, the frequency is Fs and OSR is M
the averaging of M...
I want to do monte carlo simulation for a current-steering DAC cell to see
the deviation of the current output
but the problem is that, when I did monte carlo simualtion with Spectre (100 times transient analysis of 100ns)
the output plot is just something like a single transient analysis
is...
calculator fft cadence
How to do FFT in cadence with Spectre as simulation tool?
which window should I use in the function "dft"?
I found if I use "rectangle", the spectrum looks best, is it ok?
I used "Kiaser" in my Matlab simulation, but if I use "Kiaser" in cadence
the output spectrum...
wow, is it possible?
I am using a folded-cascode structure to design a continous-time ADC and have the same problem
I know op-amp with switched-capacitor can define the CM voltage independently
but what about continous-time?
Differnet CM voltages means different biasing conditions, which is...
maybe it's a good solution, thank you :)
Fortunately I found a circuit in a PhD thesis and it works
it transfers differential voltage signal to current and use the current to control
transistors
Hi, I have met a problem in designing an A/D converter used as mulit-biit
quantizer in a sigma-delta modulator.
The input signal is differential and with about 0.5V common mode voltage
the output should be in thermocode format
I don't know how to handle the differential input
only find one...
tools needed for delta-sigma adc design
This book is not good, I think maybe it's only of a little help to beginner
I got a copy from the school lib and found it's just out of date
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