论文部分内容阅读
德威牌DS系列锁相式场强仪是天津德力无线电技术公司与香港德威电子有限公司协手合作的高新技术产品。由于采用频率锁相合成技术,确保了频率的准确度。独特的全自动数字频响补偿和独创的机内自校零线路、程控中高频衰减和参数通过内存记忆的修正与计算,提供了最好的测试精度。轻触键数值输入,大屏幕液晶数字显示,20～99个用户记忆单元和内存了全部电视频道、CATV增补电视频道(含调频
DS series of DIC brand phase-locked field strength meter is a high-tech product co-operated by Tianjin Delight Radio Technology Co., Ltd. and Dulwich Electronics Co., Ltd. of Hong Kong. Due to the use of frequency lock-in technology, to ensure the accuracy of the frequency. Unique automatic digital frequency response compensation and the original machine zero self-zero line, program-controlled high-frequency attenuation and memory parameters through the memory correction and calculation, providing the best test accuracy. Touch the button numerical input, large-screen LCD digital display, 20 ~ 99 user memory unit and memory of all TV channels, CATV additional TV channels (including FM