Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [pulse]

A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value. There are many examples of a pulse function including: Step/rectangular pulse, impulse/dirac pulse, triangular pulse, sawtooth pulse, sinc pulse, Gaussian pulse, etc.

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Routing a HV Pulse onto a PCB

I have designed a circuit to provide pulses with a slew rate of 3kV/50ns. The pulse train is made up of N successive pulses with duty cycles of 10us on 40 us off repeated at 2 Hz. My challenge is to find a track to track clearance rule to maintain…
HDware
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Does duty cycle have effect on sending pulse train properly for long distances

A system will use coaxial cables to convey pulses to trigger remote systems. The cable lengths might vary up to 100m. In that case, if the duty cycle of a 30Hz fixed pulse train is too low like %0.05 (less than 20us), is there any possible benefits…
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generating 10-100 ns pulses with 20 Hz frequency

For my internship, I was asked to design an LED driver circuit with <100 ns pulse width and <20 Hz frequency for driving an IR LED. It will be used for testing some photodiodes. Therefore, I am trying to find a pulse generator circuit with very low…
hakan
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How to stretch ON time of a pulse train when keeping the periods unchanged?

I'm receiving varying frequency pulse train with very short ON time and I want to convert these to pulses with longer ON time but without changing the pulse periods. On time is now around 100us. Pulse period varies between 1000us and 2500us. The…
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How to clamp a signal?

There is a DAQ system where one of the input is measuring pulses. As in the figure the pulse signals are coming through a BNC cable entering into very small box called "8V clamp" and leaving this little box with a BNC and going to one of the DAQ…
user16307
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Detecting a missing single pulse of a pulse train

As part of a project I have a 4 MHz pulse train output of a device with 50% duty cycle. I need a circuit which can turn on a relay if a pulse is missing. I can take care of the relay interfacing but need help with the detection part. I can tweak by…
GNZ
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Circuit to generate a very short pulse from long pulses is not working

Here is a simple circuit I found recommended on here for generating a very short pulse from longer pulses (in this example from a switch) However it isn't behaving as expected when resetting a CD4017. The switch only successfully resets the CD4017…
Jay
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Capturing pulse periods by sampling accurately

Regarding the following statement: In order to preserve the integrity of the pulse through a system, it is mandatory that the group delay of the system be constant up to the maximum frequency component of the pulse. What is meant by "maximum…
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How to shorten the width of a single pulse

I want to shorten the width of a single pulse to 50ms or 100ms width. For example, a circuit generates a positive pulse of duration 1 sec and I need to reduce its width to 50ms, synchronized to the rising edge of the input pulse. How can I do…
JTrah
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How can I use a pulse generator to simulate charge collection in multi-wire, proportional ionization chamber?

I'm performing tests of the detector's breakout electronics. These are printed circuit boards that will take signals from inside an ionization detector to the rest of the data acquisition apparatus. The key component of these circuits is a…
sam porter bridges
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Retriggerable monostable multivibrator IC down to 500ps

I want to generate a fixed 0.5ns 5V electrical pulse where I can modify the repetition rate from 1MHz to 10MHz. Some laser diode drivers or high resolution function generators can achieve this but they are ultra expensive. I couldn't find a pulse…
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High frequency detection for missing pulse issues for a high freq. pulse train

I know opinion based questions are not welcome but for a project I need to monitor 2MHz pulse train with 1ns ON times. Basically I need to monitor rising edges and if let's say the pulses are not 2MHz several times I want to shut down another…
cm64
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Confusion about the meaning of Bandwidth-limited pulse

I am quoting Wikipedia: “A bandwidth-limited pulse (also known as Fourier-transform-limited pulse, or more commonly, transform-limited pulse) is a pulse of a wave that has the minimum possible duration for a given spectral bandwidth.” But every…
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Low-complexity generation of single pulse using RC circuit from a fixed DC supply without the use of a controller

I was looking for a similar solution to this question: I want to generate a pulse (high) of 2 seconds when that DC supply is turned ON. Is there a solution where we can implement this without using any microcontroller, timer IC or any delay IC? The…
Egon
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Single pulse when circuit is powered on

I am new to electronics and I am wondering how can I use my Vcc to produce a short single pulse.
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