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The worldwide oscilloscope market is valued at about 1.1 billion USD in 2012 (Frost & Sullivan) and is dominated by Tektronix, Keysight and Teledyne LeCroy.



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 Oscilloscope Basics

Oscilloscope Milestones

LeCroy oscilloscope WD2000Oscilloscopes have been invented in the 1920s. Up to now this instrument encountered many innovations.  In the beginning the most important manufacturers have been General Radio, DuMont, General Electric and Radio Corporation of America. Later Cossor and later Solartron dominated the market. Today the main players are Keysight, Tektronix and Teledyne LeCroy. Below we listed some important oscilloscope milestones.

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 Oscilloscope Background

A simple method to verify the bandwidth of your probe

Agilent oscilloscope Probe BandwidthIn oscilloscopes or oscilloscope probes, bandwidth is a measure of the width of a range of frequencies measured in Hertz. Specifically, bandwidth is specified as the frequency at which a sinusoidal input signal is attenuated to 70.7 percent of its original amplitude, also known as the -3 dB point. Most oscilloscope companies design the scope/probe response to be as flat as possible throughout its specified frequency range, and most customers simply rely on the specified bandwidth of the oscilloscope or oscilloscope probes, wondering if they are indeed getting the bandwidth performance at the probe tip. Now you can use these step-by-step instructions to simply measure and verify the bandwidth of your probe with an oscilloscope you may already have.

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