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LTC6945 Datasheet Ultralow Noise and Spurious 0.35GHz to 6GHz Integer-N Synthesizer

Manufacturer: Linear Technology (now Analog Devices)

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General Description

nn Low Noise Integer-N PLL nn 350MHz to 6GHz VCO Input Range nn –226dBc/Hz Normalized In-Band Phase Noise Floor nn –274dBc/Hz Normalized In-Band 1/f Noise nn –157dBc/Hz Wideband Output Phase Noise Floor nn Excellent Spurious Performance nn Output Divider (1 to 6, 50% Duty Cycle) nn Low Noise Reference Buffer nn Output Buffer Muting nn Charge Pump Supply from 3.15V to 5.25V nn Charge Pump Current from 250µA to 11.2mA nn Configurable Status Output nn SPI Compatible Serial Port Control nn PLLWizard™ Software Design Tool Support Applications nn Wireless Base Stations (LTE, WiMAX, W-CDMA, PCS) nn Broadband Wireless Access nn Microwave Data Links nn Military and Secure Radio nn Test and Measurement The LTC®6945 is a high performance, low noise, 6GHz phaselocked loop (PLL), including a reference divider, phasefrequency detector (PFD) with phase-lock indicator, charge pump, integer feedback divider and VCO output divider.

The part

Overview

LTC6945.

Key Features

  • Ultralow Noise and Spurious 0.35GHz to 6GHz Integer-N Synthesizer.

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