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 .

n Transmit VCO for GSM, DCS, and PCS n Closed loop modulation systems Functional Block Diagram 20066101 FastLock™ is .

The LMX2604 is a fully integrated VCO (Voltage-Controlled Oscillator) IC designed for GSM900/DCS1800/PCS1900 triple-band application. The IC is ideal for use in the transmitter modulation loop by providing extremely small form factor and low phase no.

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