AD6635 datasheet(1/60 Pages) AD

Part #	AD6635

Description	4-Channel, 80 MSPS WCDMA Receive Signal Processor (RSP)

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reliable. However, no responsibility is assumed by Analog Devices for its

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may result from its use. No license is granted by implication or otherwise

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Tel: 781/329-4700

www.analog.com

Fax: 781/326-8703

AD6635

4-Channel, 80 MSPS WCDMA

Receive Signal Processor (RSP)

FUNCTIONAL BLOCK DIAGRAM

INA[13:0]

EXPA[2:0]

IENA

LIA-A

LIA-B

INB[13:0]

EXPB[2:0]

LIB-A

LIB-B

IENB

INC[13:0]

EXPC[2:0]

IENC

LIB-A

LIB-B

IND[13:0]

EXPD[2:0]

LID-A

LID-B

IEND

SYNCA

SYNCB

SYNCC

SYNCD

EXTERNAL

SYNC.

CIRCUIT

I

N

P

U

T

M

A

T

R

I

X

I

N

P

U

T

M

A

T

R

I

X

NCO

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

rCIC2

RESAMPLER

CIC5

CLK

RSP

CLK

RAM

COEFFICIENT

FILTER

CHANNEL 0

RAM

COEFFICIENT

FILTER

CHANNEL 1

RAM

COEFFICIENT

FILTER

CHANNEL 2

RAM

COEFFICIENT

FILTER

CHANNEL 3

RAM

COEFFICIENT

FILTER

CHANNEL 4

RAM

COEFFICIENT

FILTER

CHANNEL 5

RAM

COEFFICIENT

FILTER

CHANNEL 6

RAM

COEFFICIENT

FILTER

CHANNEL 7

BUILT-IN (BIST)

SELF-TEST CIRCUITRY

TO A AND B

OUTPUT

PORTS

TO A AND B

OUTPUT

PORTS

TO A AND B

OUTPUT

PORTS

TO A AND B

OUTPUT

PORTS

CH B INTERPOLATING

HALF-BAND FILTER,

INTERLEAVING & AGC

CH A INTERPOLATING

HALF-BAND FILTER,

INTERLEAVING & AGC

CH C INTERPOLATING

HALF-BAND FILTER,

INTERLEAVING & AGC

CH D INTERPOLATING

HALF-BAND FILTER,

INTERLEAVING & AGC

TO C AND D

OUTPUT

PORTS

TO C AND D

OUTPUT

PORTS

TO C AND D

OUTPUT

PORTS

TO C AND D

OUTPUT

PORTS

MICROPORT OR SERIAL

PORT CONTROL

RCF OUTPUTS

CHANNELS 0, 1, 2,3

RCF OUTPUTS

CHANNELS 0, 1, 2,3

RCF OUTPUTS

CHANNELS 4, 5, 6,7

RCF OUTPUTS

CHANNELS 4, 5, 6,7

PORT A

LINK PORT

OR

PARALLEL

PORT

CH A AND B

OUTPUT MUX

CIRCUITRY

PORT B

LINK PORT

OR

PARALLEL

PORT

PORT C

8-BIT DSP

LINK PORT

OR

16-BIT

PARALLEL

OUTPUT

PORT D

8-BIT DSP

LINK PORT

OR

16-BIT

PARALLEL

OUTPUT

CH C AND D

OUTPUT MUX

CIRCUITRY

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

Similar Part No. - AD6635

Manufacturer	Part #	Datasheet	Description
Analog Devices	AD6635	805Kb / 60P	4-Channel, 80 MSPS WCDMA Receive Signal Processor REV. 0

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