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Número de piezaDescripción (Función)Fabricante
LMX25021635EVAL PLLatinum? Frequency Synthesizer System with Integrated VCO National-Semiconductor
National ->Texas Instruments National-Semiconductor
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LMX25021635EVAL Ficha de datos PDF : LMX25021635EVAL pdf   
LMX2502LQ1635 image

General Description
LMX2502 and LMX2512 are highly integrated, high performance, low power frequency synthesizer systems optimized for Korean PCS and Korean Cellular CDMA (1xRTT, IS-95) mobile handsets. Using a proprietary digital phase locked loop technique, LMX2502 and LMX2512 generate very stable, low noise local oscillator signals for up and down conversion in wireless communications devices.

● Small Size
    5.0 mm X 5.0 mm X 0.75 mm 28-Pin LLP Package
● RF Synthesizer System
    Integrated RF VCO
    Integrated Loop Filter
    Low Spurious, Low Phase Noise Fractional-N RF PLL
    Based on 11-Bit Delta Sigma Modulator
    10 kHz Frequency Resolution
● IF Synthesizer System
    Integer-N IF PLL
    Programmable Charge Pump Current Levels
    Programmable Frequency
● Supports Various Reference Frequencies 19.20/19.68 MHz
● Fast Lock Time: 500 µs
● Low Current Consumption 17 mA at 2.8 V
● 2.7 V to 3.3 V Operation
● Digital Filtered Lock Detect Output
● Hardware and Software Power Down Control

● Korean PCS CDMA Systems
● Korean Cellular CDMA Systems

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