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ADRF6703

Part Number	ADRF6703
Manufacturer	Analog Devices
Description	1550 MHz to 2650 MHz Quadrature Modulator
Published	Jul 6, 2011
Detailed Description	www.DataSheet4U.net 1550 MHz to 2650 MHz Quadrature Modulator with 2100 MHz to 2600 MHz Frac-N PLL and Integrated VCO ...
Datasheet	ADRF6703 PDF File

Overview

www.
DataSheet4U.
net 1550 MHz to 2650 MHz Quadrature Modulator with 2100 MHz to 2600 MHz Frac-N PLL and Integrated VCO ADRF6703 FEATURES IQ modulator with integrated fractional-N PLL RF output frequency range: 1550 MHz to 2650 MHz Internal LO frequency range: 2100 MHz to 2600 MHz Output P1dB: 14.
2 dBm @ 2140 MHz Output IP3: 33.
2 dBm @ 2140 MHz Noise floor: −159.
6 dBm/Hz @ 2140 MHz Baseband bandwidth: 750 MHz (3 dB) SPI serial interface for PLL programming Integrated LDOs and LO buffer Power supply: 5 V/240 mA 40-lead 6 mm × 6 mm LFCSP dynamic range and linearity.
The integration of the IQ modulator, PLL, and VCO provides for significant board savings and reduces the BOM and design complexity.
The integrated fractional-N PLL/synthesizer generates a 2× fLO input to the IQ modulator.
The phase detector together with an external loop filter is used to control the VCO output.
The VCO output is applied to a quadrature divider.
To reduce spurious components, a sigma-delta (Σ-Δ) modulator controls the programmable PLL divider.
The IQ modulator has wideband differential I and Q inputs, which support baseband as well as complex IF architectures.
The single-ended modulator output is designed to drive a 50 Ω load impedance and can be disabled.
The ADRF6703 is fabricated using an advanced silicongermanium BiCMOS process.
It is available in a 40-lead, exposed-paddle, Pb-free, 6 mm × 6 mm LFCSP package.
Performance is specified from −40°C to +85°C.
A lead-free evaluation board is available.
Table 1.
Part No.
ADRF6702 ADRF6703 Internal LO Range 1550 MHz 2150 MHz 2100 MHz 2600 MHz ±3 dB RFOUT Balun Range 1200 MHz 2400 MHz 1550 MHz 2650 MHz APPLICATIONS Cellular communications systems GSM/EDGE, CDMA2000, W-CDMA, TD-SCDMA, LTE Broadband wireless access systems Satellite modems GENERAL DESCRIPTION The ADRF6703 provides a quadrature modulator and synthesizer solution within a small 6 mm × 6 mm footprint while requiring minimal external components.
The ADRF6703 is designed for RF out...

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