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Essay On Time Interval Counter

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First precise time interval counters (TICs) as autonomous were built in 1970s and 1980s in the last century with the use of an interpolation method based on analog time expansion. (-- removed HTML --) (-- removed HTML --) 1 (-- removed HTML --) (-- removed HTML --) Well-aimed examples of such devices are a family of time counters for laser rangefinding from the Earth’s orbit, (-- removed HTML --) (-- removed HTML --) 2–5 (-- removed HTML --) (-- removed HTML --) multichannel time interval counter, (-- removed HTML --) (-- removed HTML --) 6 (-- removed HTML --) (-- removed HTML --) universal time counter HP 5335A serially produced by (-- removed HTML --) Hewlett-Packard (-- removed HTML --) , (-- removed HTML --) (-- removed …show more content…

(-- removed HTML --) (-- removed HTML --) 13 (-- removed HTML --) (-- removed HTML --) Three years later, a 9-channel time digitizer of higher resolution (625 ps) was designed for the laser rangefinder at the University of Oulu (Finland). (-- removed HTML --) (-- removed HTML --) 14 (-- removed HTML --) (-- removed HTML --) Both devices were developed in CMOS technology as ASICs ( (-- removed HTML --) Application Specific Integrated Circuits (-- removed HTML --) ). This technology of integrated circuits offers substantial design flexibility; however, related processes of design and fabrication are time consuming and relatively expensive. These drawbacks are significantly diminished in FPGA ( (-- removed HTML --) Field Programmable Gate Arrays (-- removed HTML --) ) technology that was used to design a time-to-digital converter and time interval counter for the first time in 1997. (-- removed HTML --) (-- removed HTML --) 15–17 (-- removed HTML --) (-- removed HTML --) (-- removed HTML --) (-- removed HTML --) Precise measurements of time intervals, especially relatively short, can also be performed with the use of digital oscilloscopes. (-- removed HTML --) (-- removed HTML --) 18 (-- removed HTML --) (-- removed HTML --) Their operation is based on a very fast sampling of input events in a

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