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FFT ANALYSIS IN CADENCE SPECTRE

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prasadel06

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HI...
I AM PRASADH, I AM DOING MY PROJECT ON FLASH ADC IN CADENCE..
HOW CAN I DO THE FFT ANALYSIS IN CADENCE SPECTRE FOR MY CIRCUIT..
ACTUALLY I HAVE TO MEASUER SFDR,SNDR FOR MY CIRCUIT .
CAN ANYONE HELP ME PLEAE....

THANK YOU
 

mahgoub

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there is no fft in spectre ther is dft which you can use first you need an ideal dac you can write the dac equation on the calculator (weight each bit) then you run SFDR simulation you enter a full sine wave and put the ideal dac behind the adc and take
dft for the output
 

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