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NJM2555 - 622MHz VCXO IC

General Description

sPACKAGE OUTLINE The NJM2555 is a 622.08MHz VCXO (Voltage Controlled Crystal Oscillator) IC designed for optical fiber telecommunication systems, using NewJRC superior Bipolar technology, which consists of an oscillation amplifier, a variable capacitor diode, a quadruple (x4) frequency circuit,

Key Features

  • qOperating Voltage qFrequency range of Crystal qOutput Frequency Range qOutput Level qA Variable Capacitor on chip qBipolar Technology qPackage +3.0V to +3.6V 155.52 MHz typ. (120 to 160 MHz) 622.08 MHz typ. (480.

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NJM2555 622MHz VCXO IC sGENERAL DESCRIPTION sPACKAGE OUTLINE The NJM2555 is a 622.08MHz VCXO (Voltage Controlled Crystal Oscillator) IC designed for optical fiber telecommunication systems, using NewJRC superior Bipolar technology, which consists of an oscillation amplifier, a variable capacitor diode, a quadruple (x4) frequency circuit, high pass filter, and limiter amplifier. The NJM2555 generate x4 frequency to add the only 155.52MHz crystal and LC filter, and the output is differential LVPECL equivalent. The recommended input crystal frequency is from 120 NJM2555C-C NJM2555V to 160 MHz. The jitter performance and phase noise is very low based on excellent oscillation circuit. This can be applied to optical communication, especially the WDM system.