AD8349

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 5

Pin Configuration and Functional Descriptions.......................... 6

Equivalent Circuits ........................................................................... 7

Typical Performance Characteristics ............................................. 8

Circuit Description......................................................................... 14

Overview...................................................................................... 14

LO Interface................................................................................. 14

V-to-I Converter......................................................................... 14

Mixers .......................................................................................... 14

D-to-S Amplifier......................................................................... 14

Bias Circuit .................................................................................. 14

Output Enable ............................................................................. 14

Basic Connections .......................................................................... 15

Baseband I and Q Inputs ........................................................... 15

Single-Ended Baseband Drive .................................................. 15

LO Input Drive Level ................................................................. 16

Frequency Range ........................................................................ 16

LO Input Impedance Matching ................................................ 16

Single-Ended LO Drive.............................................................. 17

RF Output.................................................................................... 17

Output Enable ............................................................................. 17

Baseband DAC Interface ........................................................... 18

AD9777 Interface ....................................................................... 18

Biasing and Filtering .................................................................. 18

Reducing Undesired Sideband Leakage .................................. 18

Reduction of LO Feedthrough ................................................. 19

Sideband Suppression and LO Feedthrough Versus

Temperature ................................................................................ 19

Single Sideband Performance versus Baseband Drive Level 20

Improving Third Harmonic Distortion................................... 20

Applications..................................................................................... 21

3GPP WCDMA Single-Carrier Application ........................... 21

WCDMA MultiCarrier Application ........................................ 21

GSM/EDGE Application ........................................................... 22

Soldering Information ............................................................... 23

LO Generation Using PLLs ....................................................... 23

Transmit DAC Options ............................................................. 23

Evaluation Board ............................................................................ 24

Characterization Setups................................................................. 26

SSB Setup..................................................................................... 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

Revision 0: Intitial Version