SLVAF52B
July 2021 – November 2021
AFE8092
,
TPS62913
Trademarks
1
Introduction
2
System Description
2.1
AFE80xx Noise and Ripple Requirements
2.2
AFE80xx Supply Settling and EVM for TDD Operations
2.3
Block Diagram
2.3.1
Proposed Power Architecture
2.3.2
Power Sequencing
2.4
Power Supply Design Consideration
3
Tests and Results
3.1
Test Methodology
3.1.1
Phase Noise (Transmit) (dBc/Hz)
3.1.2
EVM for Frequency Division Multiplexing (FDD) Mode(%)
3.1.3
EVM for TDD Mode(%)
3.1.4
Receive (RX) Spectrum (Power Supply Spurious)
3.1.5
Power Efficiency
3.2
Test Conditions
3.3
Test Results
3.3.1
Phase Noise
3.3.2
EVM for FDD Mode
3.3.3
EVM for TDD Mode
3.3.4
RX Spectrum
3.3.5
Power Efficiency
4
Conclusion
5
References
6
Revision History
5
References
Texas Instruments,
AFE7920, Four-transmit Four-Receive RF-Sampling Transceiver with Dual-Band DUC/DDC and Two Feedback Paths
data sheet.
Texas Instruments,
TPS6291x 3-V to 17-V, 2-A/3-A Low Noise and Low Ripple Buck Converter with Integrated Ferrite Bead Filter Compensation
data sheet.
Texas Instruments,
High-Efficiency, Low-Output Ripple Power Supply Reference Design for Imaging Application
.