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AD8348ARUZ-REEL7 Datasheet(PDF) 2 Page - Analog Devices |
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AD8348ARUZ-REEL7 Datasheet(HTML) 2 Page - Analog Devices |
2 / 28 page AD8348 Rev. A | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Descriptions............................. 7 Equivalent Circuits ........................................................................... 9 Typical Performance Characteristics ........................................... 11 VGA and Demodulator ............................................................. 11 Demodulator Using MXIP and MXIN.................................... 14 Final Baseband Amplifiers ........................................................ 15 VGA/Demodulator and Baseband Amplifier......................... 16 Theory of Operation ...................................................................... 18 VGA.............................................................................................. 18 Downconversion Mixers ........................................................... 18 Phase Splitter............................................................................... 18 I/Q Baseband Amplifiers........................................................... 18 Enable........................................................................................... 18 Baseband Offset Cancellation................................................... 18 Applications..................................................................................... 20 Basic Connections...................................................................... 20 Power Supply............................................................................... 20 Device Enable ............................................................................. 20 VGA Enable ................................................................................ 20 Gain Control ............................................................................... 20 LO Inputs..................................................................................... 20 IF Inputs ...................................................................................... 20 MX Inputs ................................................................................... 20 Baseband Outputs ...................................................................... 21 Output DC Bias Level ................................................................ 21 Interfacing to Detector for AGC Operation............................... 21 Baseband Filters.......................................................................... 22 LO Generation ............................................................................ 23 Evaluation Board ........................................................................ 23 Outline Dimensions ....................................................................... 28 Ordering Guide .......................................................................... 28 REVISION HISTORY 4/06—Rev. 0 to Rev. A Updated Format..................................................................Universal Changes to Specifications ................................................................ 3 Changes to IF Inputs Section ........................................................ 20 Changes to Evaluation Board Section.......................................... 23 Changes to Table 6.......................................................................... 27 Changes to Ordering Guide .......................................................... 28 8/03—Revision 0: Initial Version |
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