Texas Instruments TRF3705, Руководство пользователя

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User ' s Guide
SLWU073 – October 2011
TRF3705EVM Evaluation Module
This user's guide provides instructions for evaluating the TRF3705 modulator with a TRF3705EVM
evaluation module. The TRF3705 is a quadrature modulator for up-converting the in-phase (I) and
quadrature-phase (Q) signals to RF signals in the transmit chain, typically used between the
digital-to-analog converter and the RF power amplifier.
Contents
1 Introduction
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2
1.1 System Block Diagram
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2
1.2 EVM Jumper Configuration
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2
2 TRF3705 EVM Test Configuration
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3
2.1 Test Block Diagram
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3
2.2 Test Equipment
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3
2.3 Calibration
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3
3 EVM Test Procedure
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4
3.1 Single-Tone Output Power Test
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4
3.2 Two-Tone OIP3 Test
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5
List of Figures
1 TRF3705 System Block Diagram
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2
2 Test Setup Block Diagram
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3
3 Two-Tone OIP3 Output Spectrum
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5
List of Tables
1 Default Jumper Connections
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2
1 SLWU073 – October 2011 TRF3705EVM Evaluation Module
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