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本文介绍TF2370型频谱分析仪中所采用的独具一格的数据存贮显示技术。在该仪器中,需要显示的视频信号经模—数变换器转换成—组数字信息贮存起来,从存贮器取出的信息再经数—模变换,得到时间的函数,以此作为显示管的亮线调制信号,在显示管上得到一条条长度代表输入电压高度的垂直扫描光栅。着重介绍下面几点:1.为了不丢失任何新信息,使用了两个峰值检波器;2.在数据存贮时,使用了特殊的编排次序,省去了辅助存贮器;3.双存贮技术;4.数字扫描;5.电子坐标刻度。
This article describes the TF2370 spectrum analyzer used in the unique data storage display technology. In the apparatus, the video signal to be displayed is converted into a set of digital information by an analog-digital converter, the information stored in the set is stored, and the information extracted from the memory is subjected to digital-analog conversion to obtain a function of time as a display tube Bright line modulation signal, in the display tube to get a vertical length of the input voltage on behalf of the vertical scanning grating. Focus on the following points: 1. In order not to lose any new information, the use of two peak detector; 2. Data storage, the use of a special arrangement order, eliminating the need for auxiliary memory; 3. Double deposit Storage technology; 4 digital scanning; 5 electronic coordinate scale.