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 Calibrated Interface Power Source Display Type Minimum Vertical Sensitivity Waveform Refresh Rate Maximum Vertical Sensitivity Minimum Time Base Screen Size Sample Rate Random
RS stock no. 793-3657
Mfr. Part No.PICOSCOPE 2205A
R 3,369.02
Each
units
2 25MHz PC Based PicoScope 2000 - - USB None 10mV/div - 4V/div 5ns/div - 100 Msps
RS stock no. 793-3654
Mfr. Part No.PICOSCOPE 2204A
R 2,625.52
Each
units
2 10MHz PC Based PicoScope 2000 - - USB None 10mV/div - 4V/div 10ns/div - 50 Msps
RS stock no. 111-6771
Mfr. Part No.PicoScope 2206B
R 6,492.01
Each
units
2 50MHz PC Based PicoScope 2000 - - USB - 4mV/div - 4V/div 2ns/div - 1 Gsps
RS stock no. 793-3651
Mfr. Part No.PICOSCOPE 2206A
R 6,157.60
Each
units
2 50MHz USB PicoScope 2000 - - USB None 10mV/div - 4V/div 2ns/div - 250 Msps
RS stock no. 111-6777
Mfr. Part No.PicoScope 2408B
R 21,253.65
Each
units
4 100MHz PC Based PicoScope 2000 - - USB - 4mV/div - 4V/div 1ns/div - 1 Gsps
RS stock no. 846-3406
Mfr. Part No.PicoScope 3204D
R 9,905.36
Each
units
2 70MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 2ns/div - 2.5 G samples/s
RS stock no. 800-3010
Mfr. Part No.KA393
R 32,942.19
Each
units
8 20MHz PC Based PicoScope 4000 - - USB None 2mV/div - 10V/div 20ns/div - 8 Msps
RS stock no. 846-3402
Mfr. Part No.PicoScope 3203D
R 7,248.45
Each
units
2 50MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 1ns/div - -
RS stock no. 818-2872
Mfr. Part No.PicoScope 3404D MSO
R 18,851.42
Each
units
4 60MHz PC Based PicoScope 3000 - - Mains - 10mV/div - 4V/div 2ns/div - 1 Gsps
RS stock no. 846-3412
Mfr. Part No.PicoScope 3403D
R 11,444.92
Each
units
4 50MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 1ns/div - -
RS stock no. 846-3421
Mfr. Part No.PicoScope 3404D
R 15,249.41
Each
units
4 70MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 2ns/div - 2.5 G samples/s
RS stock no. 111-6774
Mfr. Part No.PicoScope 2405A
R 6,082.85
Each
units
4 25MHz PC Based PicoScope 2000 - - USB - 4mV/div - 4V/div 2ns/div - 1 Gsps
RS stock no. 818-2885
Mfr. Part No.PicoScope 3406D MSO
R 40,159.64
Each
units
4 200MHz PC Based PicoScope 3000 - - Mains - 10mV/div - 4V/div 500ps/div - 1 Gsps
RS stock no. 846-3399
Mfr. Part No.PicoScope 3203D MSO
R 11,237.15
Each
units
2 50MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 1ns/div - -
RS stock no. 741-8629
Mfr. Part No.PicoScope 4262
R 16,334.50
Each
units
2 5MHz PC Based PicoScope 4000 - - Mains None 2mV/div - 4V/div 1ns/div - 10 Msps
RS stock no. 111-6773
Mfr. Part No.PicoScope 2208B
R 9,114.85
Each
units
2 100MHz PC Based PicoScope 2000 - - USB - 4mV/div - 4V/div 1ns/div - 1 Gsps
RS stock no. 846-3415
Mfr. Part No.PicoScope 3205D
R 15,908.55
Each
units
2 100MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 1ns/div - 5 Gsps
RS stock no. 786-5545
Mfr. Part No.Picoscope 6404C
R 86,569.25
Each
units
4 500MHz PC Based PicoScope 6000 - - Mains - 10mV/div - 4V/div 10ns/div - 1.25 Gsps, 2.5 Gsps, 5 Gsps
RS stock no. 111-6775
Mfr. Part No.PicoScope 2406B
R 11,317.68
Each
units
4 50MHz PC Based PicoScope 2000 - - USB - 4mV/div - 4V/div 2ns/div - 1 Gsps
RS stock no. 846-3418
Mfr. Part No.PIcoScope 3206D
R 18,631.43
Each
units
2 200MHz PC Based PicoScope 3000 - - Mains - 4mV/div - 4V/div 500ps/div - 10 Gsps