Texas Instruments DAC3484 用户手册
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
4.1
Configuring 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
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.
11 below for detail.
12
DAC3484/DAC3482 EVM
SLAU336 – March 2011
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