LMX2604 Triple-band VCO

National Semiconductor

Description

January 2004 www.DataSheet4U.com LMX2604 Triple-band VCO for GSM900/DCS1800/PCS1900 LMX2604 Triple-band VCO for GSM900/DCS1800/PCS1900 General Descr.
The LMX2604 is a fully integrated VCO (Voltage-Controlled Oscillator) IC designed for GSM900/DCS1800/PCS1900 triple-band application.

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Datasheet Specifications

Part number: LMX2604
Manufacturer: National Semiconductor
File Size: 297.92 KB
Datasheet: LMX2604_NationalSemiconductor.pdf
Description: Triple-band VCO

Features

* n On-chip Triple-band RF VCOs GSM: 880 MHz to 915 MHz DCS: 1710 MHz to 1785 MHz PCS: 1850 MHz to 1910 MHz n On-chip tank circuit n Low phase noise
* -167 dBc/Hz @ 20 MHz offset in GSM band
* -163 dBc/Hz @ 20 MHz offset in DCS band
* -162 dBc/Hz @ 20 MHz offset in PCS band n H

Applications

* n Transmit VCO for GSM, DCS, and PCS n Closed loop modulation systems Functional Block Diagram 20066101 FastLock™ is a trademark of National Semiconductor Corporation. TRI-STATE ® is a registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation DS200661

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LMX2604 Triple-band VCO National Semiconductor

National Semiconductor LMX2604-like datasheet