【应用笔记】波峰因子降低(Crest Factor Reduction)

【应用笔记】波峰因子降低(Crest Factor Reduction)
本应用笔记描述了波峰因子降低和Altera公司的一种波峰因子降低的解决方案。
This application note describes crest factor reduction and an Altera® crest
factor reduction solution.
Crest Factor Reduction


June 2007, Version 1.0 Application Note 396



This application note describes crest factor reduction and an Altera crest
factor reduction solution.


Overview A high peak-to-mean power ratio causes the following effects:

■ In-band distortion:
● High error vector magnitude (EVM)
● Degrades performance at receiver
■ Out-of-band distortion:
● Increased adajcent channel leakage ratio (ACLR)
● Degrade