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AD6635

Analog Devices
Part Number AD6635
Manufacturer Analog Devices
Description 4-Channel/ 80 MSPS WCDMA Receive Signal Processor (RSP)
Published Mar 23, 2005
Detailed Description 4-Channel, 80 MSPS WCDMA Receive Signal Processor (RSP) AD6635 FEATURES Four 80 MSPS Wideband Inputs (14 Linear Bits Plu...
Datasheet PDF File AD6635 PDF File

AD6635
AD6635

Overview
4-Channel, 80 MSPS WCDMA Receive Signal Processor (RSP) AD6635 FEATURES Four 80 MSPS Wideband Inputs (14 Linear Bits Plus 3 RSSI) 4 Real Input Ports/2 Complex Input Ports Processes 4 Wideband Channels (UMTS or cdma2000 1x) or 8 GSM/EDGE, IS136 Channels 8 Independent Digital Receivers in a Single Package Four 16-Bit Parallel Output Ports and Four 8-Bit Link Ports 4 Programmable Digital AGC Loops with 96 dB Range Digital Resampling for Noninteger Decimation Rates Programmable Decimating FIR Filters 4 Interpolating Half-Band Filters Flexible Control for Multicarrier and Phased Array Programmable Attenuator Control for Clip Prevention and External Gain Ranging via Level Indicator 3.
3 V I/O, 2.
5 V CMOS Core User Configurable Built-in Self Test (BIST) Capability APPLICATIONS Multicarrier, Multimode Digital Receivers GSM, IS136, EDGE, PHS, IS95, UMTS, cdma2000 Micro and Pico Cell Systems, Software Radios Wireless Local Loop Smart Antenna Systems In-Building Wireless Telephony FUNCTIONAL BLOCK DIAGRAM rCIC2 CIC5 RESAMPLER INA[13:0] EXPA[2:0] IENA LIA-A LIA-B NCO rCIC2 CIC5 RESAMPLER NCO rCIC2 CIC5 RESAMPLER NCO rCIC2 CIC5 RESAMPLER RAM COEFFICIENT FILTER CHANNEL 3 RAM COEFFICIENT FILTER CHANNEL 2 RAM COEFFICIENT FILTER CHANNEL 1 RAM COEFFICIENT FILTER CHANNEL 0 TO A AND B OUTPUT PORTS RCF OUTPUTS CHANNELS 0, 1, 2, 3 TO A AND B OUTPUT PORTS CH A INTERPOLATING HALF-BAND FILTER, INTERLEAVING & AGC TO A AND B OUTPUT PORTS CH B INTERPOLATING HALF-BAND FILTER, INTERLEAVING & AGC TO A AND B OUTPUT RCF OUTPUTS PORTS CHANNELS 0, 1, 2, 3 PORT A LINK PORT OR PARALLEL PORT I N P U T M A T R I X CH A AND B OUTPUT MUX CIRCUITRY INB[13:0] EXPB[2:0] IENB LIB-A LIB-B PORT B LINK PORT OR PARALLEL PORT NCO rCIC2 CIC5 RESAMPLER INC[13:0] EXPC[2:0] IENC LIB-A LIB-B I N P U T M A T R I X NCO rCIC2 CIC5 RESAMPLER NCO rCIC2 CIC5 RESAMPLER NCO rCIC2 CIC5 RESAMPLER NCO EXTERNAL SYNC.
CIRCUIT CLK RAM COEFFICIENT FILTER CHANNEL 7 BUILT-IN (BIST) SELF-TEST CIRCUITRY RAM COEFFICIENT FILTER CHANNE...


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