E_HtmlGSMB 宽中频接收机基带滤波器-95页-英文

E_HtmlGSMB 宽中频接收机基带滤波器 /Am,5X.  
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Abstract 0[ MQp"z  
The expanding market for radio-frequency personal communication devices has led to OAPR wOQ^=  
the proliferation of different communication standards and a high consumer demand for low QA?e2kd  
cost, low power, small form factor devices. As a result, present research focuses on the design 3wZA,Z  
of a monolithic receiver that can adapt to the various communications standards in a cost- {~NiGHY  
effective CMOS technology. A fully integrated receiver architecture necessitates the =Q|_v}  
elimination of discrete high-Q image-rejection and IF filters. The received signal spectrum is oC0K!{R*  
typically downconverted to baseband or low-IF in its entirety. Because there is no channel ]la8MaZ<  
filtering before the baseband blocks, both the desired signal and strong adjacent channel %^){Z,}M}  
blockers may be present. A high-dynamic ran .. ,grdl|Dg  
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