Texas Instruments DAC3482, DAC3484 installation instructions Optional Configuration

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Optional Configuration

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(Baseband = 30MHz, NCO disabled, QMC Gain = 1024, LO = 1930MHz)

Figure 10. DAC3484 + TRF3703-15 WCDMA Output

4 Optional Configuration

4.1Configuring and Testing the DAC3484 Transformer Coupled Output

•Eight 0 Ohm resistors must be moved to configure the output of the DAC3484 to be 4:1 transformer coupled

•remove these resistors (Horizontal position): R19, R26, R33, R27, R35, R97, R76, R98.

•Install the following resistors (Vertical position): R162, R163, R17, R161, R8, R11, R1, R3. See Figure 11 below for detail.

12	DAC3484/DAC3482 EVM	SLAU336 –March 2011
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Contents DAC3484/DAC3482 EVM EVM Block Diagram OverviewInstallation Instructions Software OperationInput Control Options Lvds Delay Settings Digital Block Options Output Control Options CDCE62005 Tab Configured for 4x Interpolation CDCE62005Test Block Diagram Miscellaneous SettingsRegister Control Test Set-Up Connection TSW3100 Quick Start OperationTSW3100 CommsSignalPattern Wcdma Programming GUI DAC348x Software Quick Start GuideDAC3484 + TRF3703-15 Wcdma Output Optional Configuration Locations of DAC348x to Transformer Output Jumper Locations DAC3484 Transformer Coupled Output at 60MHz if Using the DAC3482 or Configuring DAC3484 in DAC3482 mode DAC3484 Transformer Coupled Output at 30MHz ifLocations of the DAC3482 to TRF3703-15 Interface Jumpers Submit Documentation Feedback Evaluation Board/Kit Important Notice FCC WarningEVM Warnings and Restrictions Important Notice