论文部分内容阅读
彩色电视机中所使用的1行延迟线采用超声波色度延迟线。1.外形特征和电路符号如图1所示是超声波色度延迟线外形及示意图。
The 1-line delay line used in color televisions uses an ultrasonic chrominance delay line. 1. Shape features and circuit symbols shown in Figure 1 is the appearance and schematic ultrasonic chromatic delay line.