Is low-IF good for 802.11 a/b/g?

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dd2001

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I want hear comments about Low-IF to be used in RFIC design of 802.11 a/b/g?

Low-IF must use polyphase filters, how we make it to meet the error requirements of I/Q (amplititude and phase)?

How many percent of power consumption more than Zero-IF architecture?
 

It is in practice difficult to benchmark Low-IF and Zero-IF in term of power consumption. It depends on how well you partition your receiver and how good your circuits are designed.

Don
 

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