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45 Threads found on Oscilloscope Probes
Hi All, I have a Pocket Technologies LogicScope 136. It is a small 2 channel LED logic analyzer. The probes for it have a tip that threads in. As shown in the picture, the tip has a threaded base that goes in the probe. The probe is not easily replaceable, the connection from the probe head to the cable is threaded. There are no ide
Which opamp to be used for differential oscilloscope probe??? Should I use fully differential opamp??
If there's no separate specification, you can expect that the oscilloscope has 1 GHz bandwidth with both termination settings. But you should consider that it's effectively impossible to achieve 1 GHz bandwidth with 14 pF load. You'll need about 10 ohm source impedance. Passive 10:1 oscilloscope probes for the 1 MOhm input are available with (...)
You are asking about high voltage oscilloscope probes respectively inbuilt voltage dividers in your instrument, not "cables". You should give a rough idea about the intended measurement bandwidth respectively signal rise time. Also the acceptable pulser output load by the measurement circuit. Passive oscilloscope probes, (...)
I am testing a high frequency inverter PCB running at 100 KHz. When I probe any node, for example DC Link voltage, load current etc. there is a lot of noise superimposed on the actual signal. The noise is simply switching spikes picked up by the probes but not actually present. The on-board ADC seems to read clean signals, but the scope displays e
Hello friends I am trying to measure high speed USB signals with an oscilloscope. The signals are differential and run at 480Mb The impedance of the tracks is 90 Ohm (Zdiff) Problem: I have 4 proto boards (10 layer) rev 1 and all working on USB2 high speed 100% I now have a heap of new new proto boards (same design different board maker
I presume you'll prefer a 10:1 passive probe, e.g. 150 MHz bandwidth. The only essential requirement is that the compensation range fits the oscilloscope's input capacitance. Most industry standard probes will do for the 2245. A new 150 MHz probe from an accessory manufacturer is quite cheap (e.g. 25-30$) and widely available from catalog distri
Hi, Do i need special connectors to view output on oscilloscope or i can just use the usual probes and connect them to headphone-out or line out of DSK (C6713)?
probes 101 pls read The 9Meg R in the probe is used with the trim cap to match the cable capacitance and input capacitance of scope with 1M to get a 1/(1+9) attenuation or 1/10th the signal with a flatter response from 10 to 100MHz.
The oscilloscope only has 9 bits of vertical resolution. That is 512 levels. To measure a voltage of .0001V, your maximum voltage (voltage range) would be at best .0512V, far below the 20V range you are measuring.
Two channel oscilloscopes usually can measure differentially by using two probes and one channel inverted.
Without the common ground you will have to use a capacitor voltage divider May be appropriate in special cases, but hardly a general solution, I think. A differential voltage divider (resistive or compensated RC), as it's used in differential oscilloscope probes should be widely applicable.
I have got an x10 single ended probe.Can I use this probe to apply the differential signal to the oscilloscope...? Yes, but you need two of it. Compensation adjustment of both probes must match well.
The oscilloscope measures the voltage betwen it's ground clip and probe regardless of the rest of the circuitry. Think of it as being like normal test meter probes, wherever you put them, the meter measures the voltage across those points. The isolation transformer is there because on most (if not all) oscilloscopes, the ground clip is (...)
If ground to neutral isolation is required and a measurement transformer isn't an option, symmetrical voltage dividers and differential amplifiers are probably the next best variant, as used in oscilloscope high voltage differential probes.
Evening gents, I recently just got my hands on a 20MHz Kenwood CS-4025 oscilloscope, but the problem is there are no probes. Is there any particular type of probes I should be looking for to use with this scope? If so, what kind? Also, where can I buy said probes? Thanks again!
So you need to refer to the other options. Shunt measurement will probably require a fast differential amplifier to pick up the voltage. Current transformer can be easily made: A small, high ?r ferrite torroid of 5 to 10 mm diameter. 10 to 50 turns secondary winding, terminated with a low ohmic resistor or 50 ohm oscilloscope input.
In my understanding, you are reporting problems of unsuitable signal probing. To probe low level signals with little interferences, regular oscilloscope probes are more or less inappropriatw. You should think about coaxial jacks (BNC or smaller) or coaxial cables directly soldered to your circuit. There may be still problems achieving a clean p
Hi ejunear, I found this circuit on the I´m not sure if it represents all kinds of scopemetters probes. It seems that, there are no restrictions regarding components which could be polarized. Then, once probe can work measuring sign
The probe specification is incomplete, because it misses exact values for accepted oscilloscope input capacitance range. This may be due to the fact that the probes are primarly offered as acessory for Pico USB scopes. Most likely it works with all industry standard oscilloscopes, in case of doubt you can compare with PicoScope impedance (...)
This says that 1X scope probes have a resistance of 1 MegOhm.....i thought it was zero Ohms? ..if you please, scroll down to where it is titled "oscilloscope probes"
Sorry if this is posted in wrong forum. Mod please move if necessary. I have an ancient Hewlett Packard tube type oscilloscope that I have lost the probes for. It has a double banana plug to connect to the scope and a spring loaded hook tip at the probe end. I guess about any straight thru probe would do if it has double banana plugs. The scope
What frequency? Have you used separate ground clips on each probe? What oscilloscope? x10 probes? Keith 100MHz separate ground clips x10 probes tried on Tektronics and LeCroy, same phenomenon
Greetings Everyone, I build a mono stable pulse generator in which I can adjust output pulse width and delay. It works in 100 to 300 ms range. I am using just one timer on 556 chip and output activate optoisolator and LED. I have a puzzling problem with it. The circuit alone does not work to my specs however when I connect two probes of oscillo
You can use any probe with the right impedance. Normal probes are 1MΩ but high frequency ones can be 50Ω. Normally you would buy ones with at least the same bandwidth so you wouldn't use a 100MHz probe on a 200MHz oscilloscope but a 200MHz probe on a 100MHz oscilloscope would be fine. Keith.
Simply assume, that the first component failure caused (respectively has been brought up by) additional hidden circuit defects. They don't necessarily show by burnt parts. As long as you don't fully understand the circuit operation and have sufficient measurement tools (e.g. an oscilloscope with high voltage probes, a variable transformer to power
Tektronix TDS3054B (Used) Digital oscilloscope is on sell With and without Active & Differential probes New one. If somone is interested, contact me.... Location - Bangalore
Dear all, My circuit is a receiver. (Please see the attached file) The input connects to a sensor, and output connects to a oscilloscope. However, I found the oscilloscope's probe has its own noise. The noise is about 90mV (Pk-Pk)(The biggest one) and its frequency is between 3MHz to 500MHz. The problem is my signal from the input is about
Hi, I am trying to make a 100x oscilloscope probe, i googled this and found some schematics, basically for 100x probe the voltage divider ratio should be 100:1, my scopes(Tektronix TDS2002) input impedance is 1Mohm, but i don't know the input capacitance. I tried to calculate the capacitance from whats written on the 10x probe (9Mohm, 16pF),
Hi everybody I've used my PC's sound card as a very basic oscilloscope for a while now but since I switched to a laptop which only has a mic input (very high sensitivity and can't be relied upon because of internal filters) I decided that I need an USB oscilloscope. Plus I'd like to upgrade the bandwidth. I searched on the net for commercial pro
Testec differential probe and similar are actually not isolated probes rather than differential amplifiers with good common mode rejection. The differential amplifier is still referenced to the output (oscilloscope) ground and uses compensated resistive voltage dividers to achieve the common mode and differential voltage range. probes wit
Probe? If you mean oscilloscope probe, this is the explanation (from ): Passive scope probes A passive 10x probe. Notice the switch in the probe handle that allows to choose between 1x or 10x attenuation. Passive scope probes contain no active electronic parts, such as transistors, so they require no
CRO - do you mean cathode ray oscilloscope? That's an old term! "Differential" - Do you mean A-B voltage measurement? Some oscilloscopes and probes provide differential inputs, but a voltage measurement doesn't directly tell you the current. Or do you mean derivative math calculation? Some oscilloscopes provide that (...)
If you need it just for testing, use a current probe and an oscilloscope. AEMC makes some of the best DC current probes and they are very reliable. I like this one especially: Model SL261 Hope this helps Tronoty
I agree it is dificult to use 10:1 probe to measure 10mV accurately. Analog oscilloscope noise is usually about 150-200?Vpp on 1mV/div range and the measured signal is cca. 3mVpp. It is dificult to get 1% accurate result which oscilloscope normally enables.
Hi I have the link for downloading digital oscilloscope software - I need to know which probe can I buy from? So that I can plug it in my jack socket and use it to test my electronic circuit. Thank you in advance Maverickmax
en, a good oscilloscope in the past years can take 50,100,150MHz, just give a rough idea. The new machine should go beyond this.
Hi, measure it on the oscilloscope using a good probe. You need to measure ringing, risetime and wave shape. brmadhukar
I would like to view the current wave form in the oscilloscope on a RLC network. Is it possible to view this? If yes, how? Thanks.
How do you actually make impedance match? And how does impedance trace work? Why oscilloscope terminate on 50ohm? And why most of the traces are 50ohms traces? Does it depend on how long the trace is? Or as long as it's a 50ohm trace, length doesn't matter? What is the difference between terminating 50ohms and 1meg?
Can someone explain the difference in all the probes? Like what is a 1X and 10X and things like that? Thanks.
Hi, Would like to ask if there are capacitance found in the probe of the oscilloscope. I tried searching for the specification sheet of the probes but couldnt get any info from it. Does this mean that there is no such thing as capacitance found in the oscilloscope's probe? Sorry if this is nonsense... Thanks in advance.
hi The current probe for oscilloscope and DMM are quite expensive tool to bye here is nice tool which convert DMM in current metter for AC/DC and also used with oscilloscope for industrial purpose i have built this for laser calibration. The methology for Tektronic probe and design provided here are same(I varify it with Tektronic p
Does somebody have some literature about designing a probe, from DC-5GHz bandwidth range, suitable for sampling/real time oscilloscopes? Did anybody try to build it by himself? rfmw