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廬

ISL5217

Data Sheet

July 8, 2005

FN6004.3

Quad Programmable Up Converter

The ISL5217 Quad Programmable UpConverter (QPUC) is a

QASK/FM modulator/FDM upconverter designed for high

dynamic range applications such as cellular basestations. The

QPUC combines shaping and interpolation filters, a complex

modulator, and timing and carrier NCOs into a single package.

Each QPUC can create four FDM channels. Multiple QPUCs can

be cascaded digitally to provide for up to 16 FDM channels in

multi-channel applications.

The ISL5217 supports both vector and FM modulation. In vector

modulation mode, the QPUC accepts 16-bit I and Q samples to

generate virtually any quadrature AM or PM modulation format.

The QPUC also has two FM modulation modes. In the FM with

pulse shaping mode, the 16-bit frequency samples are pulse

shaped/bandlimited prior to FM modulation. No band limiting filter

follows the FM modulator. This FM mode is useful for GMSK type

modulation formats. In the FM with band limiting filter mode, the

16-bit frequency samples directly drive the FM modulator. The

FM modulator output is filtered to limit the spectral occupancy.

This FM mode is useful for analog FM or FSK modulation

formats.

The QPUC includes an NCO driven interpolation filter, which

allows the input and output sample rate to have an integer

and/or variable relationship. This re-sampling feature

simplifies cascading modulators with sample rates that do not

have harmonic or integer frequency relationships.

The QPUC offers digital output spectral purity that exceeds

100dB at the maximum output sample rate of 104MSPS, for

input sample rates as high as 6.5MSPS.

A 16-bit microprocessor compatible interface is used to load

configuration and baseband data. A programmable FIFO depth

interrupt simplifies the interface to the I and Q input FIFOs.

Features

鈥?Output Sample Rates Up to 104MSPS with Input Data

Rates Up to 6.5MSPS

鈥?Processing Capable of >140dB SFDR Out of Band

鈥?Vector modulation for supporting IS-136, EDGE, IS95, TD-

SCDMA, CDMA-2000-1X/3X, W-CDMA, and UMTS

鈥?FM Modulation for Supporting AMPS, NMT, and GSM

鈥?Four Completely Independent Channels on Chip, Each With

Programmable 256 Tap Shaping FIR, Half-Band, and High

Order Interpolation Filters

鈥?16-Bit parallel

碌Processor

Interface and Four Independent

Serial Data Inputs

鈥?Two 20-bit I/O Buses and Two 20-bit Output Buses Allow

Cascading Multiple Devices

鈥?32-Bit Programmable Carrier NCO; 48-Bit Programmable

Symbol Timing NCOs

鈥?Dynamic Gain Profiling and Output Routing Control

鈥?Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

鈥?Single or Multiple Channel Digital Software Radio

Transmitters (Wide-Band or Narrow-Band)

鈥?Base Station Transmitter and Smart Antennas

鈥?Operates with HSP50216 in Software Radio Solutions

鈥?Compatible with the HI5960/ISL5961 or HI5828/ISL5929

D/A Converters

Ordering Information

PART

NUMBER

ISL5217KI

ISL5217KIZ (Note)

ISL5217EVAL1

TEMP

RANGE (

o

C)

-40 to 85

-40 to 85

25

PACKAGE

196 Ld BGA

Evaluation Kit

PKG. DWG.

#

V196.15x15

196 Ld BGA (Pb-free) V196.15x15

NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets;

molding compounds/die attach materials and 100% matte tin plate termination finish,

which are RoHS compliant and compatible with both SnPb and Pb-free soldering

operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

Block Diagram

INPUT I/Q SHAPING I/Q

DATA

FILTER/

FM MOD.

I/Q HALF I/Q INTPL I/Q COMPLEX I/Q

MIXER

BAND

FILTER

SIN

COS

CARRIER

NCO

GAIN CONTROL

GAIN PROFILE

SDA

SDB

SDC

SDD

I0

Q0 4 CH

I1 SUM

Q1

I2

Q2

I3

Q3

SAMPLE

NCO

危

DELAY

SUM

CAS IOUT(19:0)

SUM

CAS

SUM QOUT(19:0)

QIN(19:0)

IIN(19:0)

CHANNEL 0

CHANNEL 1

CHANNEL 2

CHANNEL 3

P<15:0>

A<6:0>

{CNTRL}

危

1

危

2

危

3

危

4

PARALLEL HOST INTERFACE

CONFIGURATION AND CONTROL BUS

1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

|

Intersil (and design) is a registered trademark of Intersil Americas Inc.

Copyright Intersil Americas Inc. 2003, 2005. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

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