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Design of Diode Type Un-Cooled Infrared Focal Plane Array Readout Circuit 被引量:3

Design of Diode Type Un-Cooled Infrared Focal Plane Array Readout Circuit
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摘要 The diode infrared focal plane array uses the silicon diodes as a sensitive device for infrared signal measurement. By the infrared radiation, the infrared focal plane can produces small voltage signals. For the traditional readout circuit structures are designed to process current signals, they cannot be applied to it. In this paper, a new readout circuit for the diode un-cooled infrared focal plane array is developed. The principle of detector array signal readout and small signal amplification is given in detail. The readout circuit is designed and simulated by using the Central Semiconductor Manufacturing Corporation (CSMC) 0.5 μm complementary metal-oxide-semiconductor transistor (CMOS) technology library. Cadence Spectre simulation results show that the scheme can be applied to the CMOS readout integrated circuit (ROIC) with a larger array, such as 320×240 size array. The diode infrared focal plane array uses the silicon diodes as a sensitive device for infrared signal measurement. By the infrared radiation, the infrared focal plane can produces small voltage signals. For the traditional readout circuit structures are designed to process current signals, they cannot be applied to it. In this paper, a new readout circuit for the diode un-cooled infrared focal plane array is developed. The principle of detector array signal readout and small signal amplification is given in detail. The readout circuit is designed and simulated by using the Central Semiconductor Manufacturing Corporation (CSMC) 0.5 μm complementary metal-oxide-semiconductor transistor (CMOS) technology library. Cadence Spectre simulation results show that the scheme can be applied to the CMOS readout integrated circuit (ROIC) with a larger array, such as 320×240 size array.
出处 《Journal of Electronic Science and Technology》 CAS 2012年第4期309-313,共5页 电子科技学刊(英文版)
基金 supported by the Fundamental Research Funds for the Central Universities under Grant No. 2009JBM001
关键词 Capacitor trans-impedance amplifier detector array signal diode un-cooled infrared focalplane arrays readout circuit small signal amplification. Capacitor trans-impedance amplifier,detector array signal, diode un-cooled infrared focalplane arrays, readout circuit, small signal amplification.
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