求2路振幅可调，相位差可调的线性调频信号发生器模块设计指导

Question

各位高级工程师，您好！ 
 有项目需要设计一个信号发生器模块用来作为激光器的激励源，提出下列需求： 
 1，产生的信号为2路线性调频信号，频率范围在1M到5M之间或更宽； 
 2，这两路信号之间的相位差可调且能锁定（恒定）； 
 3，两路信号的幅值（振幅）可调（在0～10V之间）； 
 我看了AD9106, AD9948， AD9854等芯片资料，到目前也无法确定那块芯片适合我。 
 恳请哪位工程师指导以下我。 
 谢谢 
 王老师

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