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LFR - Oscilloscope Automatic Measurement Type
LFR - Oscilloscope Automatic Measurement Type
D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of measurement equipment. We are using such tools as animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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LFR is one of auto measurement types of a digital oscilloscope in the time domain (“Delay” menu item) which is used for the measurement of the time delay between the first falling edge of channel 1 and the last rising edge of channel 2.
For more convenient display of a measured parameter the majority of oscilloscope auto measurement types are shown as abbreviations. Such short names contain the encoded meaning of the current auto measurement type. LFR abbreviation can be decoded as Last Falling Rising.
The example of the auto measurement of LFR delay time of Aktakom AOC-5302 wide screen oscilloscope is shown on the screenshot below.
The measured delay time (t) between the first falling edge of channel 1 and the last rising edge of channel 2 on the screenshot above is 1.28 µs.
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