This presentation provides a basic walk-through about oscilloscopes and their role in modern digital electronics. Learn the different types of signals that an oscilloscope can analyze and the various types of oscilloscopes that have evolved over the time. Also come to know about the basics of keeping your oscilloscope in top condition with basic best practices. Prepared by (http://www1.tek.com/in/)
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If a signal repeats, it has a frequency. The frequency is measured in Hertz (Hz) A repetitive signal also has a period, which is the amount of time it takes the signal to complete one cycle.
Voltage is the amount of electric potential between two points in a circuit. The voltage from the maximum peak to the minimum peak of a waveform is referred to as the peak-to-peak voltage.
Amplitude refers to the amount of voltage between two points in a circuit. Amplitude commonly refers to the maximum voltage of a signal measured from ground, or zero volts.
The earliest and simplest type of oscilloscope consisted of a cathode ray tube, a vertical amplifier, a time base, a horizontal amplifier and a power supply.
The dual-beam analog oscilloscope can display two signals simultaneously. A special dual-beam CRT generates and deflects two separate beams.
While analog devices make use of continually varying voltages, digital devices employ binary numbers which correspond to samples of the voltage. In the case of digital oscilloscopes, an analog-to-digital converter (ADC) is used to change the measured voltages into digital information.
A mixed-domain oscilloscope (or MDO) has three kinds of inputs, a small number analog channels, a larger number of digital channels, and one RF channel. It provides the ability to accurately time-correlate analog, digital, and RF signals with each other.
Handheld oscilloscopes (also called scopemeters) are useful for many test and field service applications. Today.
A mixed-signal oscilloscope (or MSO) has two kinds of inputs, a small number (typically two or four) of analog channels, and a larger number (typically sixteen) of digital channels.
Ground your oscilloscope by plugging its three-pronged power cord into an outlet grounded to earth ground. Grounding the oscilloscope is necessary for safety. If a high voltage contacts the case of an ungrounded oscilloscope –
Now you are ready to connect a probe to your oscilloscope. A probe, if well-matched to the oscilloscope, will enable you to access all of the power and performance in the oscilloscope and will ensure the integrity of the signal you are measuring.
When using an oscilloscope, it is very easy to plug the oscilloscope probe in and start to make measurements. There is a built in calibrator on virtually every oscilloscope for this purpose.