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RDA3308

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The RDA3308 is a single-chip dual-band RF front end for SCDMA and MC-SCDMA wireless communication, supporting 400/1800MHz dual-band applications.Comparing to   the previous RDA3300/01 chipset, RDA3308 integrates RF radio with baseband interface as well. RDA3308, RDA3314(400MHz PAM),RDA3319(1800MHz PAM) and RDAES01(SP2TSwitch) builds up a complete RF radio solution,which directly interface with antenna and baseband processor. All sensitive components,such as RF VCO,loop filters, and tuning inductors and varactors, are completely integrated into RDA3308.

 

Features


1.CMOS Single-chip fully-integrated RF radio


2.Supporting dual-band/dual-mode SCDMA:
    ♦ 400MHz and 1800MHz
    ♦ SCDMAandMC-SCDMA


3.Low-IF receiver for SCDMA:
    ♦ Image-reject down-converter
    ♦ High performanceA/D converter
    ♦ Digital IF signal processing


4.Direct conversion receiver forMC-SCDMA:
   ♦ Image-reject down-converter
   ♦ High performanceA/D converter
   ♦ Digital baseband signal processing


5.Direct up-conversion transmitter


6.Fully integrated Fractional-N PLL:
   ♦ fully integrated on-chip RF and IF VCO
   ♦ fully integrated on-chip loop filter
   ♦ fast switching time( <30us)


7.3-wire serial control bus interface


8.Low power consumption:
   ♦ RX current: 70mA
   ♦ TX current: 60mA


9.6*6mm 40 PinQFN


10.2.7 to 3.3V operation


11.Lead-freee/RoHS-compliant

 

Applications
1.SCDMAandMC-SCDMAcellular handsets
2.Wireless datamodems and terminals

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