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参数资料
型号： AD8349AREZ-RL7
厂商： ANALOG DEVICES INC
元件分类： 调制器/解调器
英文描述： 700 MHz - 2700 MHz RF/MICROWAVE QPSK MODULATOR
封装： MO-153ABT, TSSOP-16
文件页数： 12/28页
文件大小： 729K
代理商： AD8349AREZ-RL7
AD8349
Rev. A | Page 2 of 28
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 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 .................................. 19
Reduction of LO Feedthrough ................................................. 19
Sideband Suppression and LO Feedthrough vs. Temperature
....................................................................................................... 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
11/04—Data Sheet Changed from Rev. 0 to Rev. A
Changes to Figure 25 through Figure 30 ................................11
Changes to Figure 37 through Figure 39 ................................13
Change to WCDMA MultiCarrier Application section .......21
Change to Figure 60 and Figure 61 .........................................21
11/03—Revision 0: Initial Version
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