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一、概述平衡混频器1A71147(AWA公司产品型号VRB-51D)子单元包括两部分。一部分为两个相同的上下边带平衡混频器,其作用是将上下边带的取样值与载波的取样值进行
An overview Balancer mixer 1A71147 (AWA company product model VRB-51D) sub-unit consists of two parts. Part of the same two sides of the upper and lower side of the balance mixer, the role of the upper and lower side of the band is the sample value and the carrier sample values