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). You can learn more in our complete guide to oscilloscopes.

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 Digital/Analogue Oscilloscope Form Oscilloscope Type Series Interface Power Source Display Type Memory Depth Minimum Vertical Sensitivity Waveform Refresh Rate Maximum Vertical Sensitivity Minimum Time Base
RS Stock No. 127-1088
Mfr. Part No.040
BrandRed Pitaya
SGD546.27
Each
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2 40MHz Analogue - PC Based STEMlab - Micro USB - - - - - -
RS Stock No. 134-6142
Mfr. Part No.DSOX3104T
SGD25,231.50
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4 1GHz Digital Mixed Signal Bench InfiniiVision - Mains TFT LCD - 1mV/div - 5V/div 500ps/div
New
RS Stock No. 215-1103
Mfr. Part No.T3DSO1202A
SGD1,585.72
Each
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2 200MHz - - - T3DSO1000A - - - - - - - -
RS Stock No. 136-8336
Mfr. Part No.HDO4024A
SGD23,373.78
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4 200MHz Digital Digital Storage Bench HDO4000A - Mains TFT LCD - 1mV/div - 10V/div 200ps/div
RS Stock No. 833-5115
Mfr. Part No.DSOX3024T
SGD8,150.10
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4 200MHz Digital Digital Storage Bench 3000 X - Mains TFT LCD - 1mV/div - 5V/div 2ns/div
RS Stock No. 134-6480
Mfr. Part No.410-321
BrandDigilent
SGD651.88
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2 30MHz Analogue - PC Based - - USB - - - - - -
RS Stock No. 134-6145
Mfr. Part No.MSOX3102T
SGD21,883.05
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4, 16 1GHz Digital Mixed Signal Bench InfiniiVision 3000 X - Mains TFT LCD - 1mV/div - 5V/div 500ps/div
RS Stock No. 686-2081
Mfr. Part No.U2702A
SGD3,042.24
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2 200MHz Analogue - PC Based U1600 USB AC Adapter - - 2mV/div - 5V/div 1ns/div
RS Stock No. 751-2257
Mfr. Part No.U1610A
SGD6,727.35
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2 100MHz Digital - Handheld U1600 - Battery, Mains LCD - 2mV/div - 50V/div 5ns/div
RS Stock No. 143-9313
Mfr. Part No.RTB2K-74
SGD3,567.67
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4 70MHz Digital Mixed Signal Bench RTB2000 - Mains Capacitive Touch Display - 1mV/div - 5V/div 1ns/div
RS Stock No. 194-3325
Mfr. Part No.WaveSurfer 4024HD
SGD14,621.90
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4 200MHz Digital Digital Storage Bench 4000HD - Mains - - 1mV/div - 1V/div 10ns/div
RS Stock No. 173-6231
Mfr. Part No.OX9102
BrandMetrix
SGD5,173.48
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2 100MHz Digital Digital Storage Handheld SCOPIX IV Ethernet, USB, Wifi, μSD Battery, Mains TFT LCD 100kpts 2.5mV/div 100 200V/div 1ns/div
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RS Stock No. 215-1112
Mfr. Part No.T3DSO2354A
SGD11,168.40
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4 350MHz Digital Digital Storage Bench T3DSO2000A - Mains - 200Mpts 10V/div - 0.5mV/div -
RS Stock No. 143-9316
Mfr. Part No.RTB2K-102
SGD2,924.02
Each
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2 100MHz Digital Mixed Signal Bench RTB2000 - Mains Capacitive Touch Display - 1mV/div - 5V/div 1ns/div
RS Stock No. 187-5444
Mfr. Part No.MSO44 4-BW-200
BrandTektronix
SGD13,111.54
Each
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4, 32 200MHz Digital Mixed Signal Bench 4 Series MSO - Mains TFT - - - 10V/div 200ps/div
RS Stock No. 173-6232
Mfr. Part No.OX9104
BrandMetrix
SGD6,354.51
Each
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4 100MHz Digital Digital Storage Handheld SCOPIX IV Ethernet, USB, Wifi, μSD Battery, Mains TFT LCD 100kpts - 100 2.5mV/div 1ns/div
RS Stock No. 725-0498
Mfr. Part No.DSOX2004A
SGD3,453.90
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4 70MHz Digital Digital Storage Bench InfiniiVision 2000 X - Mains Colour - 1mV/div - 5V/div 5ns/div
RS Stock No. 737-8252
Mfr. Part No.FLUKE-190-104/UN/S
BrandFluke
SGD9,460.68
Each
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4 100MHz Digital - Handheld 190 II - Battery, Mains LCD - 2mV/div - 100V/div 5ns/div
New
RS Stock No. 218-2727
Mfr. Part No.PicoScope 4424A
SGD2,093.42
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4 20MHz Digital Digital Storage PC Based PicoScope 4000A USB USB - 256Mpts - 0 per sec, Up → 100 per sec 10V/div 20ns/div
RS Stock No. 833-5168
Mfr. Part No.MSOX3052T
SGD18,637.50
Each
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2, 16 500MHz Digital Mixed Signal Bench InfiniiVision 3000 X - Mains WVGA - 1mV/div - 5V/div 1ns/div