CAJ | 학술논문

交流宽频正弦信号常采用数字采样的方法进行精密测量，需对高速采样器的线性度特性进行校准。针对传统方法中利用十进制感应分压器或交流标准电压表进行校准时存在标准器自身线性度难以确定的问题，研究了用二进制感应分压器对高速采样卡的线性度进行校准的方法。二进制感应分压器可提供高准确度的电压比例，且具有可自校准的特性，文章在介绍其原理的基础上，研究其自校准方法，并实现了在1 kHz、10 kHz和100 kHz的被测信号下对高速采样器的线性度进行校准。
교류관빈정현신호상채용수자채양적방법진행정밀측량，수대고속채양기적선성도특성진행교준。침대전통방법중이용십진제감응분압기혹교류표준전압표진행교준시존재표준기자신선성도난이학정적문제，연구료용이진제감응분압기대고속채양잡적선성도진행교준적방법。이진제감응분압기가제공고준학도적전압비례，차구유가자교준적특성，문장재개소기원리적기출상，연구기자교준방법，병실현료재1 kHz、10 kHz화100 kHz적피측신호하대고속채양기적선성도진행교준。
The linearity of wideband digitizers should be calibrated in application of precision measurement of AC sinu-soidal signals with audio frequency. To solve the problem of the difficulty to confirm linearity of the standard when cal-ibrate using decimal divider or AC reference meter, a method based on binary inductive voltage( BIVD) divider which processes precision voltage ratio and involves the feature of self-calibration is studied. The principle of BIVD is intro-duced, and also its self-calibration method. The linearity of a wideband digitizer is measured with input voltage at 1kHz, 10kHz and 100kHz.