Monday, March 27, 2023

Digital Oscilloscope

A Digital Oscilloscope  is an electronic test equipment which is used to measure and compare a signal graph with respect to time. It is one of the commonly used as well as multipurpose test equipment to test even latest of Electronic-circuits. This test equipment provides graphical representation and analytical information about the signal amplitude (Voltage/Current/Power etc) as time’s function. This is very useful in analysing the condition and performance of the circuit/equipment.

Wait. Its functions does not end here only. You can use this test equipment for measuring many other things too. It may also be used to measure clock-frequency, duty-cycle of a pulse width modulated signal, the propagation-delay, signal’s rise/fall time etc. In addition, this test equipment can even carry out the task of alerting yourself whenever a glitch is observed in your logical and bouncy switches. What more you want??

Digital oscilloscope

Functions of Digital oscilloscope.

An oscilloscope can be utilised for finding :

  • Signal-frequency
  • Signal-amplitude ( for both DC and AC voltages)
  • Phase-difference between 02 signals
  • Wave-form analytics such as :-
  1. Pulse-width
  2. Pulse’s Fall-time
  3. Pulse’s Over-rising
  4. Pulse’s rise-time

Here, we are taking Digital Oscilloscope model Tektronix TDS3034B as example for our convenience. This Tektronix oscilloscope contains four i/p channels. Its various controls may be divided in six fundamentals groupings:

Oscilloscope button details1.  Vertical-group

It manages perpendicular placement of various traces. It can also control the choice of traces to be displayed and its scales.

2.  Horizontal-group

It manages the time-scale and its spot on the display scale.

3.  Trigger-group

As the name suggests, it manages the trigger. It is used to align a repetitive signal in horizontal position.

4.  Acquire group

It manages the process by which a sample is to be acquired. It consists of a ‘Autoset’ pushbutton, which on the basis of its preset settings, does the automatic selection of other settings so that the best available wave-form can be displayed. If you ask me, I will say that it is the most handy button of the entire equipment.

5.  Miscellaneous-group

In this grouping, there is a bunch of unmarked buttons. It is located at topmost part of Control-panel. These unmarked buttons manages some controls that have very sophisticated functions and does not have to do anything with the waveform display.

6.  BasicSelector-Button

As the name indicates, it is used for basic selection and is located at the right-side & bottom-side of the display.

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Sahil Mishra
Sahil Mishra
Sahil is a BTech in Marine Electrical. He is also a Reliability Analyst and has specializations in Russian Control Systems, Machinery Control System and Automated Power Management. He has work experience of 18 years. He is an Author, Editor and Partner at Electricalfundablog.


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