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Driver circuit capable of providing rise and fall transitions that step smoothly in the transition regions

机译:能够提供在过渡区域平稳过渡的上升和下降过渡的驱动器电路

摘要

A driver circuit that has a plurality of output elements that are switched on and off in staggered fashion by signals generated by first and second drive chains of a drive chain configuration. The first drive chain comprises “N” delay elements, each of which produces a time delay equal to tDELAY such that the total time delay produced by the first drive chain is equal to (N×tDELAY). The second drive chain comprises N+1 delay elements, “N” of which produce a time delay equal to tDELAY and one of which produces a time delay equal to ½(tDELAY). Therefore, the total time delay produced by the second drive chain is equal to ((N×tDELAY)+(½tDELAY)). The use of the delay element in the second drive that produces the time delay equal to ½(tDELAY) results in smooth transitions in the transition regions where the driver circuit output signal transitions from high to low and from low to high. In addition, the use of this additional delay element reduces the complexity of the driver circuit as well as the amount of power required to operate the driver circuit.
机译:具有多个输出元件的驱动器电路,这些输出元件通过由驱动链结构的第一和第二驱动链产生的信号以交错的方式接通和断开。第一驱动链包括“ N”个延迟元素,每个延迟元素产生的时间延迟等于t DELAY ,以使第一驱动链产生的总时间延迟等于(N×t DELAY )。第二个驱动链包括N + 1个延迟元素,其中“ N”个产生等于t DELAY 的时间延迟,其中一个产生一个等于½(t DELAY )。因此,第二条驱动链产生的总时间延迟等于((N×t DELAY )+(½t DELAY ))。在第二个驱动器中使用产生时间延迟等于½(t DELAY )的延迟元件会导致过渡区域中的平滑过渡,其中驱动器电路输出信号从高电平过渡到低电平,然后从从低到高。另外,使用该附加的延迟元件降低了驱动器电路的复杂度以及操作该驱动器电路所需的功率量。

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