Oscilloscope Definition and 144 Threads

Hello, I like to share with you a virtual lab with Oscilloscope tool. Here you go: http://www.dcaclab.com/en/lab/ and here is an example...

Hi all, I've noted for years that oscilloscope probes tend to pick up noise from AC power cables, but just recently I tried connecting an antenna (piece of wire) to the probe and placing it near some power cables and voltage recorded was off the scale. I have calculated that the power...

Hello! One project I want to work on is an embedded systems project which I can measure voltage (both positive and negative) and plot it on a graph where the x-axis is time and the y-axis is voltage. Would this be considered an oscilloscope or would it be something else? Also, I was thinking in...

Every time I try to find frequency on this problem I get the same answer - and according to the simulation it is incorrect. Here's a picture of the simulation. Please note: I am just trying to find frequency. I know the other two variables (.6A and 6V ; these are confirmed correct)...

I'm working on some stuff using an oscilloscope, and I need to figure out how to obtain an eye diagram, or eye pattern on it. Right now I just have a function generator hooked up to it. There's a sync output on the function generator as well as the output for the signal. Do I just hook up the...

Hey all. As the title states, I have an analog oscilloscope with a bandwidth of 15MHz. I am in the market for a probe and have noticed a good deal of them to be in the triple digits. Long story short, I've come across a quality probe kit that consists of 150MHz rated probes. Thus my question...

Hello we have a number of oscilloscopes with 1.5% vertical accuracy (DPO-4032) we would like to improve (reduce) this number, to improve the quality of our tests. someone has proposed using a DMM (Fluke 45) to "calibrate" the oscilloscope and impart the DMM's much better accuracy of...

Well, I just registered in the Physics forum.One of my senior friend suggested the side once.And, well, I needed some help regarding oscilloscope.And I didn't know where to turn. I was doing an experiment in our lab which goes by "The transient response of an RC circuit".Here I was given the...

Hello, I am trying to understand input AC source signal amplification. But since my image is so blurry in my textbook and I cannot find it anywhere on the internet, I am trying to simulate it in National instruments. How do you make oscilloscope measure current, instead of voltage? Sinusoid...

I need to pick out an oscilloscope for our lab but I'm not sure what to get. The scope will be primarily used for electrochemistry purposes, so low input noise and higher resolution (12 instead of 8-bit?) is preferred over all else. It will also be used for some basic analog circuit design as...

im using digital storage oscilloscope to measure the frequency of ac signal wat will happen to the frequency of ac signal if i change the coupling from ac to dc?? will there be any changes? how to explain the changes?

how can i apply an ac voltage to a certain circuit using an oscilloscope and an ac signal...hopefully you can help me

Homework Statement Disconnect the oscilloscope from the circuit and hold the red lead of one of the oscilloscope inputs in your hand... What are the sources of the waveforms observed in the above step? What do the amplitudes of the observed waveforms depend on? Homework Equations...

Hi, Is it possible to direct connect an antenna working below 100MHz to an oscilloscope with coaxial cable and see the radiated signals? Thanks.

how do i display a v(t) graph of a oscilloscope. i don't have a manual for it.

I have a http://www.google.no/url?sa=t&source=web&cd=4&ved=0CCcQFjAD&url=http%3A%2F%2Fwww.testequipmentconnection.com%2Fspecs%2FLecroy_140.PDF&rct=j&q=scopestation%20140&ei=LtA9TJk8o5Y4-cDI_g4&usg=AFQjCNF_-nWNCIHWKCfcGHElPGaj-mJEXw" (100MHz, 200MS/s) where the CRT screen repeatedly turns itself...

I am in need of an oscilloscope due to recent projects that i have been working on. I have used ones before, but now need my own. I know little about them, and am not looking to spend to much money. Is anyone selling one that is in good condition, or does anyone know of one that i could get for...

Hai all, Could you please explain the need for isolating the oscilloscope. If not isolated what will happen?

Homework Statement I have to answer questions 1 - estimate the size (in volts) of the DC signal from CH1 and 2-estimate the peak-to-peak voltage AC signal of CH2, then find it's period and frequency And then I'm supposed to 'briefly describe a simple example in which oscillations or waves...

I am currently an electrical engineering student and I am considering buying an oscilloscope. Since I'm in college, I'm looking for a fairly inexpensive one, but I also don't want to throw money away on one that is too cheap. I saw that frys has a LeCroy waveace 40MHZ oscilloscope for $680...

I have a question about one of the questions on the 1992 Physics GRE. Some fellow students and I and a professor are going over questions to prepare for the PGRE and we came across one question that we can't seem to get a hang of. http://grephysics.net/ans/9277/17 This is the question with...

Hi, I'm very stressed because I've a lab exam tomorrow. I wasn't aware I'd have to take it so I'm more than late when it comes to study for it. Furthermore I should be used to the oscilloscope while I had about 8 opportunities to "play" with it. Hence I have some questions : I've dealt with...

hi all Though there are several model of oscilloscopes,their main working system is same...how to use a oscilloscope? ..how to take the reading of volt/div...what is the meaning of it? what is time/div.how to measure it?..please explain elaborately N.B:I have given some sample pics of...

Does manipulating the controls of an oscilloscope change the characteristics of the input signal being evaluated? Can someone please explain this to me? Thank you.

Ok, we have a standard Agilent oscilloscope and need to get a V-I curve for this bad boy. We got a BNC cable with our V and another with our I, but we can't get a V-I curve at all. We just get 2 flat lines that correspond to V and I independantly. Our instructions say we just plug V into the...

Homework Statement I am asked to measure T1, T2, Tbeat, and Tbar using oscilloscope. Can anyone tell me what these means? Homework Equations The Attempt at a Solution

http://img502.imageshack.us/img502/8941/webworks4ez6.jpg" . The first answer is 2.5V, but I'm having trouble getting ωt I'm using the equation: V = V0 sin(ωt) --> 2.5V = 5V sin(ωt) --> sin-1(2.5V/5V) = ωt --> ωt = 30 degrees but that's incorrect and so is -30 degrees I've just used an...

I don't know if this the right forum to post this question but i can't figure out which forum i should use:confused: here is my question What are the modes in Oscilloscope? i did google search but couldn't find clear answer for my question. thanks

Hi I have done my experiment by using an Oscilloscope, (10 k ohm) resistor and 220 nF capacitor and a probe to find the the V out and then finding Gain and phase shift, my question is what's going to affect the accuracy of the data being received from the experiment results?

Hi everybody, I have a very simple question for programmers and automation professionals, My friend told me that I can use the program National Instruments LabView as an Oscilloscope through the serial cable! Is this true? and what are the limits of this advantage? I'm using this...

I need to implement a stereo oscilloscope and spectrum analyzer using C or matlab.. I am familiar with the basic commands regarding wav files in matlab. i also created a very simple music synthesizer. regarding the stereo oscilloscope, how do you get to display the sound wave in real time...

I was trying to measure the delay time of an external interrupt by putting an oscilloscope probe on the input interrupt and a probe on an output pin. The interrupt is falling-edge triggered, so when i short the pin to ground, the interrupt is triggered. The pin has a 1M external pull up on the...

Anyone got any experience? Don't need anything with the accuracy of a CRT oscilloscope but ease of setup, repeatability, portability and convenience are more important.

Homework Statement I Want to Build an oscilloscope using microcontroller.I do not how to get started. Homework Equations Is there any internet resource that provide full schematic and circuit discription. The Attempt at a Solution

I overlooked a problem in my lab manual and wasn't able to complete the last problem, I was wondering if anyone would know anything about Oscilloscope: What happens when sustained consonants such as "Shhhh" sound on Oscilloscope differ from other consonants or humming/singing?

What is the Purpose/function/point of the Z plate in an Oscilloscope? is it just to vary Triggering and Intensity?

I'm looking at buying a Tektronix TDS2024B oscilloscope to be used for general purpose analog and digital design. Does anybody have any suggesstions, comments, concerns, etc. in regard to this oscilloscope? I figured I'd ask before I go spending the money on it. Thanks

im designing a preamplifier, but my waveform is sweeping at around 2.5 volts, as the is a preamplifier it should be swinging around 0.0 volts. Does anyone know would to fix this problem? i am only using discrete components no ic's as this is one of the specs. the specs are as follows: 1...

Hello All, I have been playing around with this digital oscilloscope and function generator that I am using at school. I first connected the function generator directly to the oscilloscope to get the hang of adjusting it, then I took a small coil I had laying around and connected it in...

hi, i have an exam on wave properties in a week. and i found this on the syllabus. i can't remember learning it let alone what a cathode ray oscilloscope is (an electron gun thingymajig?) my textbooks don't explain it well. so if you know how to determine the frequency of sound using a...

Well, the lab script said a light wave with 60 MHz is too fast to be detected by oscilloscope so i did some search on the internet on the normal bandwidth(if i am rite, or it is called sampling rate?) is usuall more than 100 MHz. Doesnt this mean that measuring 60 MHz should have no problem at...

I've been working on this problem for awhile but I just can't seem to hack it. (This is problem 76 from Serway 3rd for the first electricity chapter if you happen to have that book and want a visualization) Given: an electron with charge, -e, and mass, m, is projected with speed v, at a right...

PC sound synthesizer and oscilloscope ? I'm studying a bit about acoustics and music by reading books on these topics. But without being able to hear the sounds, and see how they combine on an oscilloscope, it's hard to really learn the material. I would like to find a computer program that...

I've thought and thought and thought about this, but I can't figure it out. How might I be able to estimate the apparent resistance of an oscilloscope? We're dealing with an oscilloscope connected to a circuit which uses a resistor and a capacitor. I think this question might have something to...