| 1. | The developing history , present situation and trends of temperature sensor and cmos integrated temperature sensor were summarized in this paper 本文概述了基准电压源和基准电流源的发展历史,现状和趋势。 |
| 2. | Low temperature drift and high stability of output voltage is of key importance to an ideal voltage reference . they are also the focus of this paper 温度和电压稳定性是基准电压源的重要指标,直接影响电路和系统的稳定性及多项性能指标,亦是本文设计中关注解决的重点。 |
| 3. | Digital to analog converter , analog integrated filter , bandgap reference and high drive capability operational amplifier are indispensability basic circuit of communication system 数模转换器、模拟集成滤波器、基准电压源和高驱动能力运放等电路是通信系统中不可缺少的基本电路。 |
| 4. | The ip cores designed in this thesis successfully meet all the specifications through simulation . the voltage references and regulators have been fabricated and successfully verified 设计的ip核已可交付流片验证,其中的基准电压源和电压调节器模块经实际流片表明,设计已基本达到原定的目标要求。 |
| 5. | Based on the whole chip function requirements , sub - block design and simulation were completed , including bandgap voltage reference , oscillator , slope compensation , current sensing , control and drive logic 在子电路的设计上,作者主要介绍了带隙基准电压源、振荡器、斜坡补偿、电流感应、控制和驱动逻辑。 |
| 6. | So far , the bandgap reference is the most popular circuit , which successfully achieves the requirements mentioned above . it exhibits both high stability and low temperature coefficient , also has low noise and simple topology 其中,带隙基准电压源因其高稳定度、低温漂、低噪声且构成简单等优点而得到普遍重视,亦为本文所采用。 |
| 7. | The dac consists of analog circuit blocks and digital circuit blocks , so it is a mixed signal circuit . because the digital part is simple comparatively , we use the same method as analog part to design it 采用模块化的设计方式实现数据快速转换,主要包括电流源矩阵模块、锁存模块、译码模块、带隙基准电压源模块及电流开关网络等电路模块。 |
| 8. | Second , the theory of sub - block circuits which include bandgap voltage reference , over temperature protection , output over voltage protection and input under voltage protection was analyzed and these sub - block circuits were simulated using hspice 在设计子电路模块时,主要分析了以下四个模块:带隙基准电压源、过温保护电路、过压保护电路和欠压保护电路。 |
| 9. | In this paper , a precise cmos bandgap voltage reference which uses the difference of mos source - gate voltage to perform efficient curvature compensation is described in detail , which is compatible with standard digital cmos process 论文详细描述了一个运用标准数字cmos工艺实现的、采用mos管的栅源电压差进行有效的温度曲率补偿的带隙基准电压源电路的设计。 |
| 10. | The current source plays an important part in the performance of the oscillator . with the help of the voltage reference , we design a constant current source which does not vary with the temperature 、 the voltage source and the process 由于充放电电流对弛张振荡器的性能有很大的影响,因此本文把基准电压源结合在一起设计出一个受温度、电源电压、工艺条件影响很小的基准电流参考源。 |