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您好、Hassen、
DAC38j84数据表的第8节应用部分介绍了 DAC38J84与我们的 TRF3705、TRF3721器件的用法、该器件可与(I1、Q1、I2和 Q2)形成两个射频通道升频转换电路
http://www.ti.com/lit/ds/symlink/dac38j84.pdf
-Kang