The structure of double differential dynamic comparator is used in the proposed scheme to realize high resolution and high speed. 该设计方案采用了双差分动态比较器结构,保证了处理模拟信号的精度与速度;
Design of the fully differential high speed low voltage latched comparator 全差分高速低电压锁存比较器的设计
Full differential dynamic comparator is designed, which can save offset voltage; 比较器采用开关电容全差分动态结构,可以有效的减小失调电压。
It is composed of a differential comparator, an accurate current generator, and a charge and discharge circuit with its control circuit. 该电路由差动比较器、精确电流产生电路、充放电电路及其控制电路组成。
A differential pair dynamic comparator which has no DC power dissipation is used in SUB-ADC. 每级子模块中采用了没有直流功耗的差分对动态比较器,具有更好的综合性能。
The usage of bootstrapped MOS switch and double differential dynamic comparator improve the resolution and speed of circuit greatly. The structure of every stage is almost identical, which reducing the difficulty in the design of the circuit. 自举MOS开关和双差分动态比较器的使用,提高了电路的精度与速度,每级电路基本一致,简化了电路设计。
A flash module suitable for A/ D converters was designed using SMIC 0.18 μ m CMOS mixed-signal technology, which is composed of a full differential pre-amplifier, a dynamic comparator and a D-type flip-flop. 针对A/D转换器中广泛使用的Flash单元,设计了一组由全差分预放大器、动态比较器和D触发器组成的电路。
In order to avoid the current loop instability, a new piecewise linear slope compensation circuit is designed. A novel multiplex differential comparator is used to cancel the slope compensation effect on current limit. 为了消除电流环路的不稳定性,本文设计了一种分段线性斜坡补偿结构,并利用新颖的复合比较器消除了斜坡补偿对芯片带载能力的影响。