<!-- .at_1{FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '; mso-bidi-font-family: 'Times New Roman'} .at_0{FONT-SIZE: 9pt; FONT-FAMILY: ' '; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'} .at_3{COLOR: #3366ff; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'} .at_5{FONT-SIZE: 9pt; FONT-FAMILY: ' '} .at_4{FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ' '; mso-hansi-font-family: ' '} .at_7{FONT-SIZE: 10.5pt; COLOR: #3366ff; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'} .at_6{COLOR: #3366ff} .at_2{MARGIN: 0cm 0cm 0pt} -->1000型数字合成扫频信号发生器通过采用新技术、新器件实现高精度、宽频带的扫频源,仪器应用了DDS和锁相技术,使频率范围从1MHz~1024MHz能精确地分辨到100Hz,它既是一台高精度的扫频源,同时也是一台高精度的标准信号发生器。它被广泛地应用于高频和超高频领域中,对广播、电视、通讯及雷达系统设备的测量,对网络、器件的传输特性测量提供了定性和定量的分析■采用高速单片机,数据处理速度快。■采用大屏幕蓝色图形点阵液晶,LED背光,色彩绚丽,操作方便。■采用DDS技术,频率分辨率:100Hz。■标记准确度可达0.1%。■具有7个任意设置的标记。■具有非易失性存储器,可以存储调用9种测试状态。