Trends in Oscillator Design Technology
Many modern applications require lower phase noise characteristics such as higher frequencies and lower operating voltages and this is pushing the boundaries of oscillator design forward.
The semiconductor houses are working hard to develop new chipsets with an increasing amount of complexity. If we consider the discrete quartz crystal market, based on the gathered data, there is likely to be a reduction in requirement for individual crystal elements in favour of packaged oscillators, with approximately 70% of total production output being allocated to packaged oscillators of one kind or another.
In recent years the industry has moved away from TTL to CMOS oscillator outputs and the trend will be continue to move towards new techniques such as HCSL and CML logic. The processing of increased amounts of data requires systems to run at much faster data transfer speeds and this requires higher frequencies and faster transition times.
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