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AD9361 Reference Manual UG-570

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Fig

ure 93. Voltage Transient on the 1.3 V Supply and Vtune of the Rx and the Tx VCO

Fig

ure 94. Instantaneous Frequency Deviation Seen Due to a Voltage Transient on the 1.3 V Supply: VDDA1P3_Rx_SYNTH, VDDA1P3_Tx_SYNTHs Supplied Externally

11668-293

VTUNE VOLTAGE OF THE TX VCO THAT IS PROBED ON THE TX EXT LO LINE

VOLTAGE TRANSIENT ON THE 1.3V LINE WHEN THE TRANSMITTERS TURN ON

VTUNE VOLTAGE OF THE RX VCO THAT IS PROBED ON THE RX EXT LO LINE

11668-095

Rev. A

General Information1
Table of Contents2
Revision History4
Introduction5
- Terminology5
- Register and Bit Syntax5
Initialization and Calibration6
- Overview6
- Initalization Calibrations7
- BBPLL VCO Calibration8
- RF Synthesizer Charge Pump Calibration8
- RF Synthesizer VCO Calibration8
- Baseband Rx Analog Filter Calibration9
- Baseband Tx Analog Filter Calibration10
- Baseband Tx Secondary Filter11
- Rx TIA Calibration Equations11
- Rx ADC Setup11
- Baseband DC Offset Calibration11
- Baseband DC Offset Tracking11
- RF DC Offset Calibration12
- Rx Quadrature Tracking Calibration13
- Tx Quadrature Calibration13
Reference Clock Requirements14
- Overview14
- DCXO Setup and Operation14
- Reference Clock Setup and Operation15
- Phase Noise Specification15
RF and BBPLL Synthesizer16
- Overview16
- RFPLL Introduction16
- AD9361 PLL Architecture16
- Reference Block16
- Main PLL Block17
- Charge Pump Current18
- RFPLL Loop Filter18
- VCO Configuration18
- VCO Calibration18
- VCO Vtune Measurement18
- Lock Detector18
- Synthesizer Look up Table19
- TDD Mode Faster Lock Times19
- External lo19
- Baseband PLL (BBPLL)19
- Bbpll Vco20
- BBPLL Charge Pump21
- BBPLL Loop Filter21
Fast Lock Profiles22
- Overview22
- Fast Lock Initial Wider BW Option22
- Configuring and Using a Fast Lock Profile23
- Fast Lock Pin Select24
Enable State Machine Guide25
- Overview25
- ENSM State Definitions25
- Modes of Operation26
- Sleep State30
Filter Guide31
- Overview31
- Tx Signal Path31
- Tx Digital Filter Blocks31
- Tx Analog Filter Blocks32
- Rx Signal Path33
- Rx Analog Filter Blocks33
- Rx Digital Filter Blocks33
- Digital Rx Block Delay34
Gain Control35
- Overview35
- Gain Control Threshold Detectors36
- LMT Overload Detector36
- ADC Overload Detector36
- Low Power Threshold36
- Average Signal Power36
- Settling Times37
- Peak Overload Wait Time37
- Settling Delay37
- Gain Table Overview37
- Full Table Mode37
- Split Table Mode38
- Digital Gain38
- MGC Overview38
- Slow Attack AGC Mode40
- Slow Attack AGC Gain Update Time40
- Overloads in Slow Attack AGC Mode41
- Slow Attack AGC and Gain Tables41
- Hybrid AGC Mode42
- Fast Attack AGC Mode42
- State 0: RESET43
- State 1: Peak Overload Detect43
- State 2: Measure Power and Lock Level Gain Change44
- State 3: Measure Power and Peak Overload Detect44
- State 4: Unlock Gain44
- State 5: Gain Lock and Measure Power45
Custom Gain Tables47
- Overview47
- RF DC Cal Bit49
- Maximum Full Table/Lmt Table Index49
- External LNA49
Received Signal Strength Indicator (RSSI)50
- Overview50
- Mode Select and Measurement Duration50
- RSSI Weighting50
- RSSI Delay and RSSI Wait50
- RSSI Preamble and RSSI Symbol51
- Rssi Rfir51
- RSSI Gain Step Calibration51
Transmit Power Control55
- Overview55
- Tx Attenuation Words55
- Attenuation Word Update Options55
Tx Power Monitor56
- Overview56
- Tx Power Monitor Description56
- Input Matching/Attenuation Network57
- Tx Power Monitor Gain Control58
- TPM Dynamic Range59
- EXAMPLE of Txmon CONFIGURATION and MEASUREMENT of TPM TRANSFER FUNCTION59
- TPM Test Mode60
RF Port Interface61
- Overview61
- Rx Signal Path Interface62
- Tx Signal Path Interface69
Factory Calibrations71
- Overview71
- Internal DCXO71
- Tx RSSI (Tx Monitor)71
- Rx RSSI71
- Rx GM/LNA Gain Step Calibration72
- Carrier Frequency72
Control Output73
- Overview73
- Description of Control Output Signals74
- 0X035 = 0X00 (Calibration Busy and Done)74
- 0X035 = 0X01 (PLL Lock)75
- 0X035 = 0X02 (Calibration Busy)75
- 0X035 = 0X03 (Rx Gain Control)75
- 0X035 = 0X04 (Rx Gain Control)76
- 0X035 = 0X05 (Rx Gain Control)76
- 0X035 = 0X06 (Rx Gain Control)76
- 0X035 = 0X07 (Rx Gain Control)76
- 0X035 = 0X08 (Rx Gain Control)76
- 0X035 = 0X09 (Rxon, Txon, RSSI)77
- 0X035 = 0X0A (Digital Overflow)77
- 0X035 = 0X0B (Calibration and ENSM States)77
- 0X035 = 0X0C (Gain Control)77
- 0X035 = 0X0D (Tx Quadrature and RF DC Calibration Status)78
- 0X035 = 0X0E (Rx Quadrature and BB DC Calibration Status)78
- 0X035 = 0X0F (Gain Control)78
- 0X035 = 0X10 (Gain Control and RSSI)78
- 0X035 = 0X11 (Auxadc Digital Output)78
- 0X035 = 0X12 (Gain Control, Power Word Ready)78
- 0X035 = 0X13 (Gain Control, Power Word Ready)79
- 0X035 = 0X14 (Digital Overflow)79
- 0X035 = 0X15 (DC Offset Tracking)79
- 0X035 = 0X16 (Gain Control)79
- 0X035 = 0X17 (Gain Control)80
- 0X035 = 0X18 (DC Offset Tracking, Power Word Ready)80
- 0X035 = 0X19 (Charge Pump Calibration States)80
- 0X035 = 0X1A (Rx VCO and ALC Calibration States)80
- 0X035 = 0X1B (Tx VCO and ALC Calibration States)80
- 0X035 = 0X1C (Rx VCO Calibration States)80
- 0X035 = 0X1D (Tx VCO Calibration States)80
- 0X035 = 0X1E (Gain Control, Temp Sense Valid, Auxadc Valid)81
- 0X035 = 0X1F (Gain Control)81
Auxadc/Auxdac/Gpo/Temp Sensor82
- Overview82
- Auxdac82
- Auxadc83
- Internal Temperature Sensor84
- General Purpose Output Control85
Baseband Synchronization87
- Overview87
- Multichip Synchronization87
- Procedure88
- Synchronization Verification89
Digital Interface Specification90
- Overview90
- CMOS Mode Data Path and Clock Signals91
- CMOS Maximum Clock Rates and Signal Bandwidths92
- Single Port Half Duplex Mode (CMOS)93
- Single Port TDD Functional Timing (CMOS)94
- Single Port Full Duplex Mode (CMOS)97
- Single Port FDD Functional Timing (CMOS)99
- Dual Port Half Duplex Mode (CMOS)100
- Dual Port TDD Functional Timing (CMOS)101
- Dual Port Full Duplex Mode (CMOS)103
- Dual Port FDD Functional Timing (CMOS)104
- Data Bus Idle and Turnaround Periods (CMOS)105
- Data Path Timing Parameters (CMOS)105
- LVDS Mode Data Path and Clock Signals106
- LVDS Mode Data Path Signals107
- REVISION HISTORY 6/15-Rev. 0 to Rev. a Change to Table 50108
- LVDS Maximum Clock Rates and Signal Bandwidths108
- Dual Port Full Duplex Mode (LVDS)109
- Data Path Functional Timing (LVDS)109
- Data Path Timing Parameters (LVDS)111
- Serial Peripheral Interface (SPI)113
- Additional Interface Signals116
Power Supply and Layout Guide117
- Overview117
- PCB Material and Stack up Selection117
- RF Transmission Line Layout118
- Fan-Out and Trace Space Guidelines119
- Component Placement and Routing Guidelines120
- Power Management and System Noise Considerations120
- Power Distributions for Different Power Supply Domains124
- Rx lo Frequency Deviations Due to Power Supply Transients126
Related Links128

Brand	Analog Devices
Model	AD9361
Category	Motherboard
Language	English

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