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Synchronous Clock Generator

Tue, 02/13/2001 - 9:48am
Connor-Winfield recently introduced the SCG 450, a new addition to their family of Synchronous Clock Generators used in various telecommunications and data communications applications where designs must conform to a Stratum synchronization or SONET architecture.

The SCG 450 is a digital phase lock loop generating 155.56 MHz LVPECL outputs from a low jitter voltage controlled crystal oscillator with two 8 kHz inputs. Other variations are also available on request.

Other features of the new SCG 450 include two selectable references, switching capacity between references without introducing a phase transient, disable capacity on LVPECL outputs, jitter less than 1 ps RMS in the 12 kHz to 20 MHz band. The unit also features low jitter clock source for high OC-N Framers and reference arrangement within GR-253-Core 1999-R5-136.

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