Oscilloscopes

An Oscilloscope, also known as O-scope, is a complex electronic laboratory instrument commonly used to capture, process, display and analyse the waveform and bandwidth of electronic signals. The device draws a graph of the instantaneous signal voltage as a function of time. O-scopes is an analyzer of a signal that comes from a signal generator. Digital oscilloscopes are often referred to as digital storage oscilloscope (DSO) or digital sampling oscilloscopes (DSO).



Different types of Oscilloscopes



Oscilloscopes fall into various categories. The biggest distinction is whether they are digital or analogue oscilloscopes. Within the digital oscilloscopes area, there are several different types.




  • Digital oscilloscopes: Basic type of oscilloscope used. Has several capabilities from a processing of the basic waveform to advance triggering.

  • Storage Oscilloscope (DSO): Has a memory to sore waveforms and display them for a period of time.

  • Phosphor oscilloscopes (DPO): use a parallel processing architecture to enable it to capture and display signals.

  • Digital sampling oscilloscopes: Used for analysing high-frequency signals for example up to 50 GHz.

  • Mixed Domain Oscilloscope, MDO: Can operate in more than one domain, i.e. in time to display waveforms and in frequency to display signal spectra.

  • Mixed Signal Oscilloscope, MSO: Combines an oscilloscope function with that of a logic analyser.


How does a digital oscilloscope work?



The oscilloscope is a graph-displaying instrument. It draws a graph of an electrical signal. In most applications the graph shows how signals change over time, the vertical (Y) axis represents voltage and the horizontal (X) axis represents time. Some of the oscilloscopes featuring additional user-friendly elements such as USB ports for downloading measurement data.



In its simplest form, a digital oscilloscope features six elements:




  • Analogue vertical input amplifiers

  • Analogue-to-digital converter and a digital waveform memory

  • Time base which features a triggering and clock drive

  • Circuits for waveform display and reconstruction

  • LED or LCD display

  • Power supply



How to choose the best oscilloscopes?


Oscilloscopes are widely used in industry and are being increasingly used as they now offer better performance levels than ever before.



There are many different types of oscilloscope each having their own characteristics. For example, the small, lightweight handheld digital oscilloscopes are ideal for use by technicians working in service, maintenance and installation applications. This means that different oscilloscopes types are applicable for different applications and choosing the correct type enables it to perform to its best and therefore gain the most from it.






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Description Price Number of Channels Bandwidth Oscilloscope Type Series Interface Power Source Display Type Minimum Vertical Sensitivity Waveform Refresh Rate Maximum Vertical Sensitivity Minimum Time Base Maximum Time Base Screen Size Sample Rate Random
RS Stock No. 768-3368
Mfr. Part No.DPO2014B
BrandTektronix
TWD94,872.00
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4 100MHz Bench DPO2000 USB Mains TFT LCD 2mV/div - 5V/div 4ns/div - 7in 1 Gsps
RS Stock No. 919-5047
Mfr. Part No.FLUKE-123B/INT
BrandFluke
TWD56,472.00
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2 20MHz Handheld 123 - Battery - 5mV/div - 200V/div 20ns - 5.7in 400 K samples/s
RS Stock No. 737-8252
Mfr. Part No.FLUKE-190-104/UN/S
BrandFluke
TWD189,085.00
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4 100MHz Handheld 190 II - Battery, Mains LCD 2mV/div - 100V/div 5ns/div - 6in 1.25 Gsps
RS Stock No. 800-2984
Mfr. Part No.TBS1152B
BrandTektronix
TWD50,296.00
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2 150MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 7in 2 Gsps
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Mfr. Part No.Picoscope 6404D
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4 500MHz PC Based PicoScope 6000 - Mains - 10mV/div - 4V/div 10ns/div - - 1.25 Gsps, 2.5 Gsps, 5 Gsps
RS Stock No. 744-2470
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BrandTektronix
TWD75,898.00
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2 100MHz Digital Storage TDS2000C - Mains Colour 2mV/div - 5V/div 2.5ns/div 50s/div 5.7in 2 Gsps
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TWD82,041.00
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Mfr. Part No.Picoscope 6403D
TWD179,192.00
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4 350MHz PC Based PicoScope 6000 - Mains - 10mV/div - 4V/div 10ns/div - - 1.25 Gsps, 2.5 Gsps, 5 Gsps
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BrandRed Pitaya
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2 40MHz PC Based STEMlab - USB Connector - - - - - - - 100 Ksps, 125 Msps
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Mfr. Part No.TPS2012B
BrandTektronix
TWD144,793.00
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2 100MHz Digital Storage TPS2000 USB Battery, Mains TFT LCD 2mV/div - 5V/div 5ns/div - - 1 Gsps
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Mfr. Part No.Picoscope 6402D
TWD128,078.00
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4 250MHz PC Based PicoScope 6000 - Mains - 10mV/div - 4V/div 10ns/div - - 1.25 Gsps, 2.5 Gsps, 5 Gsps
RS Stock No. 123-6441
BrandRS PRO
TWD40,425.00
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4 200MHz Digital Storage - - Mains TFT LCD 2mV/div - 5V/div 1ns/div - 7in 1 GSa/s
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BrandRS PRO
TWD13,056.00
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2 50MHz Digital Storage - - Mains LCD 2mV/div - 10V/div 1ns/div - 5.7in 25 GSa/s, 250 MSa/s
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BrandRS PRO
TWD16,144.00
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2 70MHz Digital Storage - - Mains TFT LCD 2mV/div - 10V/div 5ns/div - 7in 1 GSa/s
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Mfr. Part No.023
BrandRed Pitaya
TWD9,668.00
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2 40MHz PC Based STEMlab - USB Connector - - - - - - - 100 Ksps, 125 Msps
RS Stock No. 122-4800
Mfr. Part No.TBS2074
BrandTektronix
TWD69,481.00
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4 70MHz Digital Storage TBS2000 USB Mains TFT LCD 2mV/div - 5V/div 2ns/div - 9in 1 Gsps
RS Stock No. 800-2981
Mfr. Part No.TBS1102B
BrandTektronix
TWD37,534.00
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2 100MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 7in 2 Gsps
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Mfr. Part No.FLUKE-190-102/UN/S
BrandFluke
TWD156,574.00
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2 100MHz Handheld 190 II - Battery, Mains LCD 2mV/div - 100V/div 5ns/div - 6in 1.25 Gsps
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Mfr. Part No.FLUKE-190-062/UN/S
BrandFluke
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2 60MHz Handheld 190 II - Battery, Mains LCD 2mV/div - 100V/div 10ns/div - 6in 625 Msps
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Mfr. Part No.PicoScope 3203D
TWD17,122.00
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2 50MHz PC Based PicoScope 3000 - Mains - 4mV/div - 4V/div 1ns/div - - -