The I-F converter in the weak current measurement
Dong Chengfu, Su Hong, Jianping Xing, Xiaogang Li, Ma Xiaoli · Hedianzixue yu tance jishu · 2004
This paper describes the I-F converter (current-frequency converter ) in the weak current measurement. The input current signal is converted into pulse frequency, and then processed by computer. The paper describes detailed principle of circuit and tested result. The circuit is reliable, sensitive and anti-disturbant.