scispace - formally typeset
Search or ask a question
Topic

Rise time

About: Rise time is a research topic. Over the lifetime, 4748 publications have been published within this topic receiving 47512 citations.


Papers
More filters
Journal ArticleDOI
01 Nov 1960
TL;DR: In this article, a superconducting coaxial line is described which transmits nanosecond (nsec) pulses without any measurable change in rise time, and data in regard to the temperature dependence of the bandwidth over the range 293°K to 4.2°K are presented.
Abstract: A miniature superconducting coaxial line is described which transmits nanosecond (nsec) pulses without any measurable change in rise time. Data in regard to the temperature dependence of the bandwidth over the range 293°K to 4.2°K are presented. The investigation is confined to ten and hundred foot lengths of cable.

18 citations

Journal ArticleDOI
TL;DR: It was found that impulse response correlated to rise time for response to tone burst and decay and recovery were (nearly significantly) correlated and are probably different measures of the same process.
Abstract: Different measures of the dynamic properties of the contralateral stapedius reflex were compared in normal-hearing subjects. The stapedius reflex was measured as change of the acoustic impedance at 800 Hz. The stimulus was a 1-s burst of pure tone at 500 or 2 000 Hz with a rise time of 10 ms; a 25-ms burst of pure tone at 500 Hz, rise time 2 ms; an amplitude modulated 500 Hz pure tone (30% modulation depth); a continuous pure tone in which a 1-s pause was introduced after at least 5 s. Onset was measured as rise time to 50% of maximum response and offset as time from end of stimulus until 50% of response amplitude was reached. The impulse response was quantified by time from start of stimulus to peak of response. The frequency transfer function was characterized by the 6 dB (half amplitude) cut-off point and decay was measured in percentage during a 5-s period. Recovery was quantified as the relative regain of amplitude after a 1-s pause. It was found that impulse response correlated to rise time for resp...

18 citations

Patent
17 May 1968
TL;DR: In this paper, the characteristic impedance of a microstrip delay line is controlled by altering the effective area of the ground plane, which increases the performance of the line while maintaining a nearly constant time delay.
Abstract: The characteristic impedance of a microstrip delay line is controlled by altering the effective area of the ground plane. Reducing the effective ground plane area increases the characteristic impedance and improves the output rise time while maintaining a nearly constant time delay.

18 citations

Journal ArticleDOI
TL;DR: In this article, the response of an NLTL driven by three different pulse shapes: a rectangular, a half sine, and a triangular waveform was investigated through time and frequency-domain analysis of the RF signal sampled at the 29th section of a 30-section capacitive NLTL.
Abstract: Nonlinear transmission lines (NLTLs) are nonlinear LC ladder networks that can act as a nonlinear and dispersive medium, thus allowing the generation of soliton bursts. Several papers have been published indicating that NLTLs offer a new option for pulse shaping and RF generation. In this paper, we investigated the response of an NLTL driven by three different pulse shapes: a rectangular, a half sine, and a triangular waveform. The performance of the NLTL was evaluated through time- and frequency-domain analysis of the RF signal sampled at the 29th section of a 30-section capacitive NLTL. The frequency of the generated RF signal is correlated with the shape of the input signal, whereby the output frequency can be adjusted by the amplitude-time characteristics of the pulse at the input of the capacitive NLTL. Higher frequency oscillations, around 30 MHz, were generated by the rectangular wave train due to its shorter rise time. The propagation of solitons along the NLTL is influenced by the input pulse rise time. Namely, the rectangular pulse showed smaller delay time as it had the shortest rise time (less than 10 ns). Maximum efficiency was obtained for the input pulsewidth of 150 ns under a duty cycle of 1/3 for the three pulse shapes (rectangular, half sine, and triangular), and this combination of parameters yielded the highest RF conversion efficiency of the NLTL. The capacitive NLTL showed a higher RF conversion efficiency (16.4%) when driven by the rectangular input signal.

18 citations

Journal ArticleDOI
TL;DR: In this article, the influence of air pressure on the detailed characteristics of corona current pulse, such as pulse amplitude, rise time, pulse width, duration time, and pulse repetition frequency, was investigated through a coaxial conductorcylinder electrode structure with a corona point on the conductor.
Abstract: Air pressure is one of the main factors affecting the corona discharge and influence of air pressure should be carefully investigated. In order to obtain the influence of air pressure on the detailed characteristics of corona current pulse, such as pulse amplitude, rise time, pulse width, duration time, and pulse repetition frequency, a systematic investigation is carried out though a coaxial conductor-cylinder electrode structure with a corona point on the conductor. The electrodes are put into a pressure chamber for adjusting the air pressure. The results show that pulse amplitude increases with the increase of air pressure, while rise time, pulse width, duration time, and pulse repetition frequency decrease significantly at the same ratio between applied voltage and onset voltage (U/U0). Empirical formulas for the pulse amplitude, rise time, pulse width, and duration time varying with air pressure are first established. On the basis of the development of positive corona discharge, the influence of air ...

18 citations


Network Information
Related Topics (5)
Voltage
296.3K papers, 1.7M citations
83% related
Magnetic field
167.5K papers, 2.3M citations
81% related
Dielectric
169.7K papers, 2.7M citations
77% related
Cathode
112K papers, 1.5M citations
77% related
Electron
111.1K papers, 2.1M citations
76% related
Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202330
202264
2021111
2020146
2019157
2018147