Table of Contents
Testing and Verification of a RF Power Amplifier Control Circuit
Conexant Systems Inc.
Overview
Project Goals
Introduction
Power Amplifier Controller
Integrator Control
Analog Power Amplifier Controller
Digital Power Amplifier Controller
System Overview
Digital PAC Block Diagram
Intra-Frame Sequencer
Intra-Frame Sequencer
Ramp Store
Ramp Store
LPF/Integrator
LPF/Integrator
Low Pass Filter Test
Integrator with Limiter
Integrator with Limiter
DAC Gain
DAC Gain
Power Shaper
Power Shaper
Power Shaper Example
DAC with RC LPF
DAC with RC LPF
Power Amplifier
Power Amplifier
Coupler and Detector
Coupler and Detector
ADC and ADC Gain
ADC and ADC Gain
Test Platform Development
Control Loop Test Approach
Functionality
Performance
Output Power
Output Burst Timing
Output Burst Timing Example
Output RF Spectrum Due to Modulation
Output RF Spectrum Due to Modulation Example
Output RF Spectrum Due to Modulation Test Setup
Output RF Spectrum Due to Switching Transients
Output RF Spectrum Due to Switching Transients Example
Loop Stability
Loop Stability Test Setup
Realization of Loop Stability Test Setup
Test Result of Gain Margin
Test Result of Phase Margin
Control Program
DAC Power-On Transient
DAC Power-On Transient Resolution
Future Work Considerations
Conclusion
References
Question Period
Acknowledgements
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