研究目的
Investigating the design, development, and performance of a complementary metal-oxide semiconductor (CMOS) image sensor read-out circuit with internal timing generator.
研究成果
A multipixel low-noise, wide dynamic-range image sensor ROIC with internal timing generator has been successfully designed and implemented, achieving target specifications of at least 2.3 V linear dynamic range, less than 1-mV RMS output noise, and high-speed measurement with IT less than 10 μs. A simple timing generator is proposed for the operation of the ROIC, and the trigger signal is generated to simplify data acquisition processing with ADC.
研究不足
The tradeoff between increasing dynamic range and reducing conversion gain, and the potential for optimization in noise performance and power consumption.
1：Experimental Design and Method Selection:
The design involves a multipixel image sensor readout integrated circuit with internal timing generator, implemented in a
2：35-μm CMOS technology. Sample Selection and Data Sources:
The image sensor was mounted on a wire-bonded chip-on-board (COB) with a photodiode array detector (PDA) for noise and transient measurements.
3：List of Experimental Equipment and Materials:
Agilent 33120A (clock generator), Agilent 33250A (functional generator), and Tektronix oscilloscope were used.
4：Experimental Procedures and Operational Workflow:
Basic functions and output dynamic range were checked using the mentioned equipment.
5：Data Analysis Methods:
The output noise measurement was performed at feedback capacitance CFB = 10 pF and clock frequency FCLK = 100 kHz.
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