用DDS产生300MHz到600MHz 的基带信号,DDS输出只有一路模拟信号或差分信号,想要正交上变频的2.4GHz,有什么芯片或方案可以用?
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据我所知,TI 现在都没有卖这样的分离射频芯片了。现在的都是集成基带的。你可以看看Lower Power RF 2.4GHz私有协议芯片, CC2543, CC2500等,看能不能通过GPIO输入基带信号。