资料介绍
CDMA receiverRF System Design CDMA HARDWARE
The CDMA receiver system in an IS-98-A standard
Reciprocal mixing, crossmodulation, spurious response and other RF issues should be considered carefully in the design of a CDMA receiver. The paper offers a derivation of essential specifications, blockand front-end level, for the receiver section of a CDMA handset.
By Walid W. Ali-Ahmad
Senior Member of Technical Staff Wireless Communications Group Maxim Integrated Products The harsh environment in which mobile phones operate imposes tough conditions on the handset design. These conditions mandate high performance for the RF frontend and the DSP back-end, especially for decoding speech information in a received signal when the carrier-to-interference ratio (C/I) is less than 0dB. The article examines minimum
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