电路采用电容负反馈互导放大器(CTIA)及相关双取样(CDS)结构，有利于减小电路的噪声。
The adoption of capacitor feedback transimpedance amplifier (CTIA) and correlated double sampling (CDS) structure helps to reduce the noise of the circuit.
例如当一个互导放大器提供一输出电流i0到负载电阻RL，而全部网络给出电压增益为VL/Vi时，就可出现这种情况。
This situation can arise, for example, when a transconductance amplifier feeds an output current i0 to a load resistor RL, but the overall circuit is considered to give a voltage gain VL/Vi.
研究了电容反馈互导放大器（CTIA）型红外读出电路的数字控制部分的工作原理，并针对CTIA这一特殊结构的读出电路，提出了一种基于计数器的数字控制电路结构。
This paper studies on the digital controlling principles of CTIA readout circuit, then puts forward a novel structure of the digital circuit of CTIA readout circuit based on counter.
研究了电容反馈互导放大器（CTIA）型红外读出电路的数字控制部分的工作原理，并针对CTIA这一特殊结构的读出电路，提出了一种基于计数器的数字控制电路结构。
This paper studies on the digital controlling principles of CTIA readout circuit, then puts forward a novel structure of the digital circuit of CTIA readout circuit based on counter.
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