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公开(公告)号：US3735261A
公开(公告)日：1973-05-22
申请号：US3735261D
申请日：1971-06-07
Applicant: NORTHROP CORP
Inventor： VAHLSTROM R , NUTTEN D , RENNICK L , BAYNE D , OSTER ST
Abstract: Rise time, fall time, and width of a single short duration pulse are measured with no a priori knowledge of the pulse. First and second level detectors are used to respectively start and stop a ramp generator. The level detectors are biased to fire at certain defined percentages of the leading and/or trailing edge of the pulse depending upon which time parameter the detectors are measuring. A peak level detector and hold circuit connected to the ramp generator output gives a voltage amplitude proportional to the ''''on'''' time of the generator and thus indicative of the time interval being measured. To supply the level detectors with the proper information, an input and logic section produces from the incoming (positive) pulse its peak amplitude, negative peak amplitude, a delayed positive pulse, a delayed negative pulse, and timing signals for enabling and disabling the level detectors as necessary.
Abstract translation: 在没有脉冲的先验知识的情况下测量单个短持续时间脉冲的上升时间，下降时间和宽度。 第一和第二电平检测器用于分别启动和停止斜坡发生器。 根据检测器正在测量的时间参数，电平检测器被偏置为以脉冲的前沿和/或后沿的某些确定的百分比发射。 连接到斜坡发生器输出的峰值电平检测器和保持电路给出与发电机的“接通”时间成比例的电压振幅，并因此指示所测量的时间间隔。 为了向电平检测器提供正确的信息，输入和逻辑部分从输入（正）脉冲产生其峰值幅度，负峰值幅度，延迟正脉冲，延迟负脉冲和用于启用和禁用电平的定时信号 检测器是必要的。
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公开(公告)号：US3777262A
公开(公告)日：1973-12-04
申请号：US3777262D
申请日：1971-06-07
Applicant: NORTHROP CORP
Inventor： VAHLSTROM R , NUTTEN D , BAYNE D , OSTER S
CPC classification number: G01R19/22
Abstract: A long term hold circuit accepts a train of input pulses having amplitude variation ''''jitter'''' thereon, and feeds simultaneously into an averager and an AC amplifier, the AC amplifier feeding simultaneously into another averager and a peak-to-peak detector.
Abstract translation: 长期保持电路接受一列具有振幅变化“抖动”的输入脉冲，并且同时馈送到平均器和AC放大器中，AC放大器同时馈送到另一个平均器和峰 - 峰值检测器。
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