GC5018_06 Datasheet

IC型號：
GC5018_06
PDF描述：
8-CHANNEL WIDEBAND RECEIVER
文件大?。?/label>
1370.80KB
PDF頁數(shù)：
134頁
芯片廠家：
TI

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www.ti.com

GC5018

8-CHANNEL WIDEBAND RECEIVER

SLWS169A 鈥?MAY 2005 鈥?REVISED NOVEMBER 2005

1.1

鈥?/div>

Introduction

FEATURES

鈥?/div>

1.5V Digital Core Supply, 3.3V Digital I/O

Supply

305 Ball Plastic BGA (19 mm x 19 mm) With

1.0 mm Pitch

Power Dissipation: 2.5W

鈥?/div>

Four 16-Bit CMOS ADC Input Ports

Programmable Closed Loop VGA Control With

6-Bit Outputs for Each ADC Input Port

Provide Received Total Wide Band Power

(RTWP) Measurement for the Composite

Power Across Carriers With Programmable

Time Window for Measurement

8 UMTS Digital Down Converter (DDC)

Channels or 16 CDMA or 16 TD-SCDMA DDC

Channels With Programmable 18 Bit Filter

Coefficients

Each DDC channel includes

鈥?Real or Complex DDC Inputs

鈥?115 dB SFDR NCO

鈥?UMTS Mode Rx Filtering: 6 Stage CIC (m=1

or 2), Up to 40 Tap CFIR, Up to 64 Tap PFIR

鈥?CDMA Mode Rx Filtering: 6 Stage CIC (m=1

or 2), Up to 64 Tap CFIR, Up to 64 Tap PFIR

鈥?Power Measurements

鈥?Final AGC

1.2

鈥?/div>

APPLICATIONS

Wireless Base Station Receiver

Multi-Carrier Digital Receiver

UMTS (4 Carriers-1 Sector With Diversity)

CDMA (8 Carriers-1 Sector With Diversity)

TD-SCDMA (16 Carriers-1 Sector Without

Diversity, 8 Carriers-1-Sector With Diversity)

Digital Radio Receivers

Wide Band Receivers

Software Radios

Wireless Local Loop

Intelligent Antenna Systems

Contents

Introduction

...............................................

1.1

1.2

FEATURES

...........................................

APPLICATIONS

......................................

5.2

5.3

Microprocessor Signals

............................

126

JTAG Signals

127

128

General Description

.....................................

RECEIVE DIGITAL SIGNAL PROCESSING

.........

3.1

3.2

Receive Input Interface

...............................

DDC Organization

...................................

Microprocessor Interface Control Data, Address,

and Strobes

.........................................

Synchronization Signals

.............................

Interrupt Handling

...................................

GC5018 Programming

GC5018 GENERAL CONTROL

.......................

4.1

4.2

4.3

4.4

..............................

GC5018 PINS

...........................................

122

5.1

Digital Receive Section Signals

....................

122

......................................

5.4

Factory Test and No Connect Signals

.............

5.5

Power and Ground Signals

........................

5.6

Digital Supply Monitoring

..........................

5.7

JTAG

...............................................

SPECIFICATIONS

.....................................

6.1

ABSOLUTE MAXIMUM RATINGS

.................

6.2

RECOMMENDED OPERATING CONDITIONS

...

6.3

THERMAL CHARACTERISTICS

..................

6.4

DC CHARACTERISTICS

..........................

6.5

AC TIMING CHARACATERISTICS

................

Revision History

......................................

128

129

130

131

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this document.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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GC5018_06 Datasheet

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