Reply Swagatam says Hi Abu-Hafss, Although my last use of oscilloscope was way back in 2001, after that I got busy with my manufacturing job, ill try to recollect my memories and assist you as far as possible.A reasonably good oscilloscope will set you back by several hundred dollars, unless you buy a pre-owned piece or get one at the flea market.As you probably own a PC, all the hardware needed to display waveforms is already available to you.
Oscilloscope App Software That WillUsing PC Like an Oscilloscope What you now require is software that will enable your PC to work as an oscilloscope; you can purchase this from Zelscope.
Oscilloscope App Free Hard DiskIf you own a PC with a fast processor, about 1GB RAM, about 1MB of free Hard disk space, and at least one 32-bit sound card, you are set up for converting your PC into an oscilloscope. Some additional front-end hardware will be required to attach the oscilloscope probes and feed the test signal into the PC. You can build your own following the instructions on the Zelscope site, or buy the front-end ready-made. Ordinary RG-58 coaxial cables can be used to make up the probes. You get up to two traces with a bandwidth of 10Hz to 20KHz, a sampling rate of 11KHz to 44KHz and an 8- to 16-bit acquisition (it all depends on your sound card). The time base is from 5Sec to 10uSec with adjustable triggers, two independent cursors, direct frequency readout and time and voltage difference readouts. The Zelscope-and-PC combination as a low-cost oscilloscope can help adjust audio circuits, take measurements in physics experiments, tune musical instruments, troubleshoot digital circuits, and do many other things. One limitation is that you cannot sense or display DC waveforms, since the sound card of the PC is capacitively coupled. The spectrum analyzer mode can display amplitude andor phase. Apart from the display of waveforms, you can save screenshots, copy-paste functions for data files, save visible traces as text files and make printouts. Oscilloscope App Generator And AWhat if you are not satisfied with just an oscilloscope or spectrum analyzer in your arsenal Maybe you like to add a waveform generator and a ZRLC meter as well - for which you will need the Visual Analyzer. For those who are looking for something more professional, and willing to spend, Pico has a plethora of similar gadgets. Previous: Basics of Strain Gauge Measurements Next: Building a Sec Exciter By Steven Chiverton About Swagatam I am an electronic engineer (dipIETE ), hobbyist, inventor, schematicPCB designer, manufacturer. I am also the founder of the website:, where I love sharing my innovative circuit ideas and tutorials. If you have any circuit related query, you may interact through comments, Ill be most happy to help Youll also like: 1. I work mostly wit digital logic so square waves are important to me. Reply Dayo says Hi Swagtagam, I used zelscope as described here, but I didnt get the sinusoidal waveform with the utility supply, it is like triangle wave when I put the wave sequence on hold. Reply Swag says Hi Dayo, sorry I cannot troubleshoot it since I have not tried it yetI would recommend buying any basic smallest oscilloscope, instead of relying on other forms of alternative. Reply Abu-Hafss says Hi Swagatam I am planning to buy a used analog oscilloscope. Can you guide me what to checkhow to check if the unit is fully working and it is trouble free.
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