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Need formula for sigma-delta modulator

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farrokhiyan

farrokhiyan

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Hi,
I need a formula of sigma-delta modulators, which makes relation between these parameters:

1- Input signal Amplitude,
2- Order of modulator,
3- Number of levels of the Quantizer,
4- OSR

thanks in advance
 

Need Formula ...

Both Analog Devices and Linear Tech have app notes covering some of the math, although I think they hold some of it back as trade secret.

ak
 

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