AD8340(2004) Просмотр технического описания (PDF) - Analog Devices

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AD8340
(Rev.:2004)

700 MHz to 1000 MHz RF Vector Modulator

Analog Devices 

AD8340

TABLE OF CONTENTS

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

Typical Performance Characteristics ............................................. 6

Theory of Operation ...................................................................... 10

RF Quadrature Generator ......................................................... 10

I-Q Attenuators and Baseband Amplifiers.............................. 11

Output Amplifier ........................................................................ 11

Noise and Distortion.................................................................. 11

Gain and Phase Accuracy.......................................................... 11

REVISION HISTORY

6/04—Revision 0: Initial Version

RF Frequency Range .................................................................. 11

Applications..................................................................................... 12

Using the AD8340 ...................................................................... 12

RF Input and Matching ............................................................. 12

RF Output and Matching .......................................................... 13

Driving the I-Q Baseband Controls......................................... 13

Interfacing to High Speed DACs.............................................. 14

CDMA2000 Application............................................................ 14

Evaluation Board ............................................................................ 16

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

Rev. 0 | Page 2 of 20

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