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ADRF6701

Analog Devices
Part Number ADRF6701
Manufacturer Analog Devices
Description 400 MHz to 1250 MHz Quadrature Modulator
Published Nov 23, 2013
Detailed Description 400 MHz to 1250 MHz Quadrature Modulator with 750 MHz to 1150 MHz Frac-N PLL and Integrated VCO Data Sheet FEATURES IQ m...
Datasheet PDF File ADRF6701 PDF File

ADRF6701
ADRF6701


Overview
400 MHz to 1250 MHz Quadrature Modulator with 750 MHz to 1150 MHz Frac-N PLL and Integrated VCO Data Sheet FEATURES IQ modulator with integrated fractional-N PLL Output frequency range: 400 MHz to 1250 MHz Internal LO frequency range: 750 MHz to 1150 MHz Output P1dB: 10.
3 dBm @ 1100 MHz Output IP3: 30.
1 dBm @ 1100 MHz Noise floor: −159.
4 dBm/Hz @ 1100 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 ADRF6701 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 ADRF6701 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.
ADRF6701 ADRF6702 ADRF6703 Internal LO Range 750 MHz 1150 MHz 1550 MHz 2150 MHz 2100 MHz 2600 MHz IQ Modulator ±3 dB RF Output Range 400 MHz 1250 MHz 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 ADRF6701 provides a quadrature modulator and synthesizer solution within a small 6 mm × 6 mm footprint while requiring minimal external components.
The ADRF6701 is designed for RF outputs from 400 MHz t...



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