One oscillator, four frequencies

March 12, 2019 //By Christoph Hammerschmidt
One oscillator, four frequencies
Mercury Electronic’s QuickXO HC_JF series of high performance quartz oscillators provides the ability to switch between four different frequencies with a single oscillator.

The cost-effective QickXO oscillators are housed in a 7.0x5.0mm SMD ceramic package and run on a choice of 1.8V, 2.5V or 3.3V supply voltages. The oscillators are available in the frequency range from 15MHz to 2100MHz with a wide selection of popular signal outputs including LVCMOS (up to 250MHz), LVPECL, LVDS and CML. HCSL differential outputs are also available for frequencies up to 700MHz. Within the frequency range, four output frequencies can be preset, which can be switched between using two logical control levels. The maximum frequency selection time is 2.5ms. This makes the HC_JF series ideal for multiprocessor boards where multiple frequencies are required for different processors. Instead of four different oscillators that need to be tuned to each other, the four frequencies can all be synchronized by a single clock unit.

QuickXO oscillators also offer frequency stability of ±25, ±50 or ±100ppm over the commercial temperature range of -10 to +70°C, industrial temperature range of -40 to +85°C and a low phase jitter of 150fs maximum, making them ideal for high frequency applications. The QuickXO-Oscillators are available in distribution from WDI AG.

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