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. 800-2978
Mfr. Part No.TBS1052B
BrandTektronix
TWD36,145.00
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2 50MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 7in 1 Gsps
RS Stock No. 800-2988
Mfr. Part No.TBS1202B
BrandTektronix
TWD58,752.00
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2 200MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 7in 2 Gsps
RS Stock No. 919-5069
Mfr. Part No.FLUKE-125B/INT
BrandFluke
TWD110,772.00
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2 40MHz Handheld 125 - Battery - 5mV/div - 200V/div 10ns - 5.7in 400 K samples/s
RS Stock No. 744-2473
Mfr. Part No.TDS2002C
BrandTektronix
TWD62,243.00
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2 70MHz Digital Storage TDS2000C - Mains Colour 2mV/div - 5V/div 5ns/div 50s/div 5.7in 1 Gsps
RS Stock No. 123-3544
BrandRS PRO
TWD30,008.00
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4 70MHz Digital Storage - - Mains TFT LCD 1mV/div - 10V/div 5ns/div - 7in 1 GSa/s
RS Stock No. 811-1243
Mfr. Part No.FLUKE 190-504/UN
BrandFluke
TWD221,538.00
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4 500MHz Handheld 190 - Battery LCD 2mV/div - 100V/div 4ms/div - 6in 1.25 Gsps
RS Stock No. 786-5520
Mfr. Part No.Picoscope 6402C
TWD103,692.00
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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. 734-5004
Mfr. Part No.TPS2024B
BrandTektronix
TWD225,825.00
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4 200MHz Digital Storage TPS2000 USB Battery, Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - - 2 Gsps
RS Stock No. 744-2486
Mfr. Part No.TDS2024C
BrandTektronix
TWD101,646.00
Each
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4 200MHz Digital Storage TDS2000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 5.7in 2 Gsps
RS Stock No. 919-5053
Mfr. Part No.FLUKE-124B/INT
BrandFluke
TWD76,609.00
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2 40MHz Handheld 124 - Battery - 5mV/div - 200V/div 10ns - 5.7in 400 K samples/s
RS Stock No. 123-6442
BrandRS PRO
TWD52,791.00
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4 300MHz Digital Storage - - Mains TFT LCD 2mV/div - 5V/div 1ns/div - 7in 1 GSa/s
RS Stock No. 786-5532
Mfr. Part No.Picoscope 6403C
TWD150,630.00
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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
RS Stock No. 800-2997
Mfr. Part No.TBS1052B-EDU
BrandTektronix
TWD28,173.00
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2 50MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 2.5ns/div - 7in 1 Gsps
RS Stock No. 122-4798
Mfr. Part No.TBS2072
BrandTektronix
TWD44,458.00
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2 70MHz Digital Storage TBS2000 USB Mains TFT LCD 2mV/div - 5V/div 2ns/div - 9in 1 Gsps
RS Stock No. 123-6440
BrandRS PRO
TWD25,415.00
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4 100MHz Digital Storage - - Mains TFT LCD 2mV/div - 5V/div 1ns/div - 7in 1 GSa/s
RS Stock No. 786-5318
Mfr. Part No.TBS1154
BrandTektronix
TWD63,286.00
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4 150MHz Digital Storage TBS1000 USB Mains TFT LCD 2mV/div - 5V/div 5ns/div - 5.7in 1 Gsps
RS Stock No. 725-0485
Mfr. Part No.DSOX2014A
TWD97,022.00
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4 100MHz Bench InfiniiVision 2000 X - Mains Capacitive Touch Display 1mV/div - 5V/div 5ns/div - 8.5in 2 Gsps
RS Stock No. 123-6438
BrandRS PRO
TWD20,889.00
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2 150MHz Digital Storage - - Mains TFT LCD 2mV/div - 10V/div 2.5ns/div - 7in 1 GSa/s
RS Stock No. 123-6437
BrandRS PRO
TWD16,458.00
Each
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2 100MHz Digital Storage - - Mains TFT LCD 2mV/div - 10V/div 2.5ns/div - 7in 1 GSa/s
RS Stock No. 123-6439
BrandRS PRO
TWD22,836.00
Each
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4 70MHz Digital Storage - - Mains TFT LCD 2mV/div - 5V/div 1ns/div - 7in 1 GSa/s