What Are The Advantages of Digital Oscilloscope?

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Digital oscilloscope is one of the 4 types of oscilloscope. The other 3 types of oscilloscope are called analog oscilloscope, USB oscilloscope, handheld (portable) oscilloscope. Before describing the digital oscilloscope, it is necessary to briefly explain the concept of the oscilloscope, how it works and how it is connected to the circuit.

What is oscilloscope?

The measuring device that allows to see the changes in the electrical voltage depending on time is called an oscilloscope. It is commonly known that a voltmeter is used to make such a measurement under normal conditions. But there are some distinctive features between these 2 devices. The voltmeter can only show the user the magnitude and direction of the voltage in the circuit numerically. Oscilloscope, on the other hand, is a device that facilitates understanding by presenting the change of the voltage depending on the time in a two-axis graph more clearly with an approach to the benefit of the user.

 

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How does oscilloscope work principle?

To summarize in the most understandable way; After the electron beams occur in a cathode ray tube, it starts to hit the screen covered with special chemical (phosphorus), and phosphors are illuminated with each beat, providing an image on the screen. These electron beams spread to the screen of the oscilloscope in a very short time and turn the electrical values ​​we measure into graphics that we can see.

How to connect the oscilloscope to the circuit?

Since the oscilloscope is a voltage measuring device in the circuit just like the voltmeter, it is connected parallel to the circuit just like the voltmeter. Various types of oscilloscope probes are available to make this connection.
The oscilloscope probes will be connected to the device with screw connectors called BNC, allowing the oscilloscope to perform its function.

 

What are the advantages of digital oscilloscope?

Digital oscilloscopes can be shown as the most common type of oscilloscope. This type of oscilloscope has six elements;

  •  Analog vertical input amplifiers,
  •  Analog to digital converter and a digital waveform memory
  •  LED or LCD screen
  •  Circuits for waveform display and reconstruction
  •  A timebase with a trigger and clock drive feature
  •  Power source

 

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Digital oscilloscopes operate thanks to a fast and high resolution analog to digital converter (ADC) circuit and button, and a microcontroller that can control display functions. Due to the support created by these microcontrollers, the signals from the input are fast and have high resolution. In this way, the signal monitored in digital oscilloscopes can be stopped at any time, triggered at the desired level and recorded.
Digital oscilloscope; ideal for displaying complex signal waveforms that require calculations and measurements to provide numerical and waveform output screens that reflect selected parameters of waveforms

A digital oscilloscope besides all these; It also has remarkable conveniences, such as the ability to examine digitized information stored in its memory and have the ability to make automatic measurements based on the user's selected parameters, such as voltage deviation, frequency and rise times.

Such advantages are seen as the most important factors in the choice of digital oscilloscopes.

  • In addition to these advantages provided by digital oscilloscope;
  • View later
  • Installing on the computer
  • Making a hard copy
  • Storing digital data to store on floppy disks

 Features such as the ability to measure instantly on digital data can be displayed.

 

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What are the digital oscilloscope species?

There are generally 2 categories of digital oscilloscopes:

  • Single shot oscilloscopes
  •  Oscilloscopes with random spacing or equivalent time sampling

Let's briefly get acquainted with these two types of digital oscilloscopes;


Single shot oscilloscopes: These types of oscilloscopes start real-time sampling of an event after a trigger condition has been met. The speed of the analog-to-digital converter (ADC) determines the limits of the sampling rate of single-shot oscilloscopes. In such oscilloscopes; the size of the purchasing memory, which takes the output of the device from the converter, limits the time during which a single event can be sampled.

Oscilloscopes with random spacing or equivalent time sampling: These types of oscilloscopes generally produce results on sampling repetitive events at different time intervals at different points.


What values can be measured with digital oscilloscope?

The digital oscilloscopes we have examined in detail above can measure all the values ​​that other types of oscilloscopes can measure.


Thanks to these oscilloscopes, we can see the values ​​that can be measured as items;

  • Phase difference
  • Frequency
  • Characteristics of semiconductor elements such as diodes, transistors
  • Charge and discharge curves of the capacitor AC and DC voltage values
  • Waveforms of changing electrical magnitudes The current passing through the circuit

If you are looking for a small and portable oscilloscope, you are in the right place. Minis gives precision with its high technology hardware, top quality material and simple design. It puts user experience over anything else to give you a better measurement experience. While working on measurements, with its pocket size Minis will always be there to help you. Just download the Minis application to your preferred device and connect it to Minis with the Usb cable provided with your order. It has 2 channels, 2MHz bandwidth and 10 MSPS sample rate per channel and it has updatable firmware.