AD9554-1: QUAD PLL, QUAD INPUT, 4-OUTPUT MULTISERVICE LINE CARD ADAPTIVE CLOCK TRANSLATOR

ADA4805-1: 0.2 µV/°C OFFSET DRIFT, 105 MHz LOW POWER, LOW NOISE, RAIL-TO-RAIL AMPLIFIER
22. Januar 2015
ADA4177-2: OVP AND EMI PROTECTED, PRECISION, LOW NOISE AND BIAS CURRENT OP AMP
23. Januar 2015

AD9554-1: QUAD PLL, QUAD INPUT, 4-OUTPUT MULTISERVICE LINE CARD ADAPTIVE CLOCK TRANSLATOR

The AD9554-1 is a low loop bandwidth clock multiplier that provides jitter cleanup and synchronization for many systems, including synchronous optical networks (SONET/SDH). The AD9554-1 generates an output clock synchronized to up to four external input references. The digital PLL allows for reduction of input time jitter or phase noise associated with the external references. The digitally controlled loop and holdover circuitry of the AD9554-1continuously generates a low jitter output clock even when all reference inputs have failed.

The AD9554-1 operates over an industrial temperature range of −40°C to +85°C. If a single DPLL version of this part is needed, refer to the AD9557 or AD9559, respectively.

APPLICATIONS

    • Network synchronization, including synchronous Ethernet
      and SDH to OTN mapping/demapping
    • Cleanup of reference clock jitter
    • SONET/SDH clocks up to OC-192, including FEC
    • Stratum 3 holdover, jitter cleanup, and phase transient control
    • Wireless base station controllers
    • Cable infrastructure
    • Data communications
    • Professional Video

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