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Integrated Fractional-N RF Synthesizer, Oscillator
The S3RFLO2GC18 has been designed for use as a flexible Local Oscillator for high performance wireless communications systems requiring a combination of low inchannel phase noise and low out of channel spurious to meet demanding EVM and spectral mask/interference requirements respectively.
Features
- 3V and 1.8V Power Supply
- VCO phase noise -122 dBc/Hz at 1MHz offset
- PLL noise floor -217dBc/Hz
- Programmable charge pump current
- Programmable anti-deadzone pulse-width
- Integrated 3rd Order MASH Sigma-Delta Modulator
- 24-bit Frequency Resolution
- Frequency-Hop Sensitive Lock Detect
- Reference frequency 1 to 50 MHz
- Output Frequency 1.6 to 1.8 GHz
- Ultra-low spurious: <-70dBc
- Low Integrated Phase Noise
- Fast Lock Time
- Integrated VCO calibration
- Built-in bandgap bias block
- Power-Down and Reset Modes
- Low Power Dissipation
- Compact Die Area
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