Jitter attenuator & frequency synthesiser offer high performance

5th October 2015
Source: IDT
Posted By : Jordan Mulcare
Jitter attenuator & frequency synthesiser offer high performance

Integrated Device Technology has introduced jitter attenuator and frequency synthesiser devices that deliver ultra-high performance, meeting the phase noise requirements of the most stringent applications, including JESD204B-compliant RF timing. The 8V19N407 and 8V19N408 support up to 3GHz output frequencies, as well as 82fs of RMS phase noise, addressing the requirements of multi-carrier GSM radio transceivers as well as 40 and 100Gb Ethernet PHYs and other high-performance applications.

The 8V19N407 and 8V19N408 generate clock and SYSREF signals for JESD204B subclass 1-compliant ADC/DAC converters in wireless, industrial and radar applications. These devices output multiple high-performance synchronised clocks that are also suitable for high-speed Ethernet and cable TV head-end applications.

For wireless communications, the devices enable compliance with GSM phase noise and blocker specifications without external filters. For 40/100 GbE PHYs, the devices generate low phase-noise clocks that reduce bit error rates and achieve reliable transmission.

“IDT’s jitter attenuator and frequency synthesiser devices simplify complex RF timing designs,” said Louise Gaulin, Vice President and General Manager of Network Communications Division, IDT. “These highly integrated devices replace multiple VCOs and discrete components and are suitable for applications requiring best-in-class phase-noise performance."

The devices offer a wide output frequency range from 25 to 3000MHz and LVDS and LVPECL outputs with adjustable amplitudes. The 8V19N407 supports Ethernet frequencies, making it suitable for timing 40 and 100G Ethernet PHYs, while the 8V19N408 includes dual VCOs offering frequency plan flexibility.


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