Current/frequency (I/F) converter is a kind of charge balance circuit, by charge balance, output frequency and input current has close linearity.

• 摘要I/F（电流／频率）转换电路本质上是一个电荷平衡式转换电路，利用电荷平衡法，输出脉冲频率与输入电流有精密的线性关系。