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ADRF6655 Folha de dados(PDF) 2 Page - Analog Devices |
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ADRF6655 Folha de dados(HTML) 2 Page - Analog Devices |
2 / 44 page ADRF6655 Rev. 0 | Page 2 of 44 TABLE OF CONTENTS Features .............................................................................................. 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Characteristics ................................................................ 5 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Despcriptions .......................... 7 Typical Performance Characteristics ............................................. 9 Downconversion........................................................................... 9 Upconversion .............................................................................. 11 PLL Characteristic...................................................................... 12 Complimentary Cumulative Distribution Function (CCDF): Downconversion, LO = 1100 MHz, RF = 900 MHz.............. 14 Complimentary Cumulative Distribution Function (CCDF): Downconversion, LO = 1700 MHz, RF = 1900 MHz............ 15 Complimentary Cumulative Distribution Function (CCDF): Upconversion Distribution ....................................................... 16 Circuit Description......................................................................... 17 PLL and VCO Block................................................................... 17 RF Mixer Block ........................................................................... 17 Digital Interfaces ........................................................................ 18 Analog Interfaces............................................................................ 19 Supply Connections ................................................................... 19 Synthesizer Connections ........................................................... 19 Output Matching and Biasing................................................... 19 Input Matching ........................................................................... 20 IP3SET Linearization Feature................................................... 21 CDAC Linearization Feature .................................................... 21 External LO Interface ................................................................ 21 Using an External VCO ............................................................. 22 ADRF6655 Control Software........................................................ 23 PLL Loop Filter Design ............................................................. 23 Register Structure ........................................................................... 24 Device Programming................................................................. 25 Initialization Sequence .............................................................. 25 Register 0—Integer Divide Control ......................................... 26 Register 1—Modulus Divide Control...................................... 27 Register 2—Fractional Divide Control.................................... 27 Register 3—Σ-Δ Modulator Dither Control........................... 28 Register 4—Charge Pump, PFD, and Reference Path Control................................................................................ 29 Register 5—LO Path and Mixer Control................................. 31 Register 6—VCO Control and PLL Enables........................... 32 Register 7—External VCO Control ......................................... 33 Characterization Setups................................................................. 34 Evaluation Board Layout and Thermal Grounding................... 38 Outline Dimensions ....................................................................... 41 Ordering Guide .......................................................................... 41 REVISION HISTORY 2/10—Revision 0: Initial Version |
Nº de peça semelhante - ADRF6655 |
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Descrição semelhante - ADRF6655 |
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