Table Of Contents; Revision History - Analog Devices ADF7021-V Manual

ADF7021-V

TABLE OF CONTENTS

Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
RF and PLL Specifications ........................................................... 4
Transmission Specifications ........................................................ 5
Receiver Specifications ................................................................ 6
Digital Specifications ................................................................... 9
General Specifications ............................................................... 10
Timing Characteristics .............................................................. 10
Timing Diagrams ........................................................................ 11
Absolute Maximum Ratings .......................................................... 14
ESD Caution ................................................................................ 14
Pin Configuration and Function Descriptions ........................... 15
Typical Performance Characteristics ........................................... 17
Frequency Synthesizer ................................................................... 21
Reference Input ........................................................................... 21
MUXOUT .................................................................................... 22
Voltage Controlled Oscillator (VCO) ...................................... 23
Choosing a VCO for Best System Performance ..................... 23
Transmitter ...................................................................................... 24
RF Output Stage .......................................................................... 24
Modulation Schemes .................................................................. 24
Spectral Shaping ......................................................................... 26
Modulation and Filtering Options ........................................... 27
Transmit Latency ........................................................................ 27
Test Pattern Generator ............................................................... 27
Receiver Section .............................................................................. 28
RF Front End ............................................................................... 28
IF Filter ......................................................................................... 28
RSSI/AGC .................................................................................... 28

REVISION HISTORY

4/10-Revision 0: Initial Version
Demodulation, Detection, and CDR ....................................... 30
Receiver Setup ............................................................................. 32
FSK Demodulator Optimization .............................................. 33
AFC Operation ........................................................................... 34
Automatic Sync Word Detection (SWD) ................................ 35
Applications Information .............................................................. 36
IF Filter Bandwidth Calibration ............................................... 36
LNA/PA Matching ...................................................................... 37
Image Rejection Calibration ..................................................... 38
Packet Structure and Coding .................................................... 39
Programming After Initial Power-Up ..................................... 39
Applications Circuit ................................................................... 42
Serial Interface ................................................................................ 43
Readback Format ........................................................................ 43
Interfacing to a Microcontroller/DSP ..................................... 44
Register 0-N Register ............................................................... 45
Register 1-Oscillator Register ................................................. 46
Register 2-Transmit Modulation Register ............................ 47
Register 3-Transmit/Receive Clock Register ........................ 48
Register 4-Demodulator Setup Register ............................... 49
Register 5-IF Filter Setup Register ......................................... 50
Register 6-IF Fine Calibration Setup Register ..................... 51
Register 7-Readback Setup Register ...................................... 52
Register 8-Power-Down Test Register .................................. 53
Register 9-AGC Register ......................................................... 54
Register 10-AFC Register ....................................................... 55
Register 11-Sync Word Detect Register ................................ 56
Register 12-SWD/Threshold Setup Register ........................ 56
Register 13-3FSK/4FSK Demodulation Register ................. 57
Register 14-Test DAC Register ............................................... 58
Register 15-Test Mode Register ............................................. 59
Outline Dimensions ....................................................................... 60
Ordering Guide .......................................................................... 60
Rev. 0 | Page 2 of 60