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22 Threads found on edaboard.com: Cdma Performance
I have use all the modules available in the world. I am using GSM & cdma modules from back 3 years. I specially work on GSM & cdma modules. If any quaries please ask me.
First you need look at the system specification for your system design. For cdma, look at the IS98 minum performance specification for mobile phone, For GSM, look at the ETSI soument. From the minimum perforamnce, decide the overall noise figure (NF). Patition the NF into different stages (LNA, Mixer, Analog filter, VGA, A/D). You need a simple exc