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为保证无线内窥胶囊在电池供电情况下,能实现全消化道检查,提出了一种微型胶囊内的单片低功耗数模混合集成电路的设计。该单片系统主要包括图像采集、图像压缩,存储器和无线收发模块等。数字部分的低功耗设计能比无能量管理策略设计方法要节约36%的功耗,数字电路部分的功能和能量管理策略通过了验证,模拟射频电路部分的主要指标已通过仿真验证,整个数模混合芯片已采用0.18μm的CM O S工艺流片。
In order to ensure that the wireless endoscope capsule can achieve full digestive tract examination under the condition of battery power supply, a design of a single low-power digital-analog hybrid integrated circuit in a microcapsule is proposed. The single-chip system includes image acquisition, image compression, memory and wireless transceiver module. The low-power design of the digital part can save 36% power consumption compared with the non-energy management strategy design method. The function of the digital circuit part and the energy management strategy have been verified. The main indexes of the analog RF circuit part have been verified through simulation. Modular hybrid chips have adopted 0.18μm CM OS process chip.