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Analog Devices Press Release - October 11, 2011

Analog Devices' Quadrature Demodulators Offer Unprecedented
Levels of Dynamic Range and Integration

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Functional Block Diagram for ADRF6806NORWOOD, Mass.--( BUSINESS WIRE)-- Analog Devices, Inc. (ADI) today introduced the ADRF6806 and ADRF6807 quadrature demodulators featuring the industry's highest dynamic range and integration, which cover a wide range of IF frequencies used in QAM / QPSK receivers as well as supporting common cellular standards such as W-CDMA / CDMA2000 / LTE, and also microwave point-to-point and point-to-multi-point radio architectures. The ADRF6806 demodulator operates in the 50-MHz to 525-MHz LO range, and the ADRF6807 demodulator operates in the 700-MHz to 1050-MHz LO range. The ADRF6806 and ADRF6807 use a high performance mixer core that results in an exceptional input IP3 and input P1dB, with a very low output noise floor for excellent dynamic range. Both demodulators integrate an IQ demodulator with a high performance fractional-N phase-locked loop (PLL), a low noise voltage-controlled oscillator (VCO), and two low drop-out regulators (LDO). The ADRF6806 and ADRF6807 are the latest additions to ADI's family of integrated products which are the industry's only quadrature demodulators to combine three RF functions into a single device, thereby simplifying design and reducing board space and bill of materials cost. The ADRF6806 and ADRF6807 also feature multiple programmable functions through its SPI port which allows the user to control the fractional-N PLL, the demodulator LO divider, multiple optimization options, low power mode, as well as allowing for an externally applied LO, or to generate a divided-down VCO signal for external use. The ADRF6806 and ADRF6807 demodulators are designed on an advanced silicon-germanium BiCMOS process and available in a compact 6-mm x 6-mm LFCSP package.

ADRF6806 Quadrature Demodulator Key Features:
  • LO frequency range of 50 MHz to 525 MHz
  • Leading RF performance: Input P1dB of 12.2 dBm; Input IP3 of 28.5 dBm; Noise figure (DSB) of 12.2; Voltage conversion gain of 1.0 dB
  • Quadrature demodulation accuracy: phase accuracy of <0.5° and amplitude accuracy of <0.1 dB
    Baseband demodulation of 170 MHz, 3-dB bandwidth
  • SPI serial interface for PLL programming
ADRF6807 Quadrature Demodulator Key Features:
  • LO frequency range of 700 MHz to 1050 MHz
  • Leading RF performance: Input P1dB of 12.8 dBm; Input IP3 of 26.7 dBm; Noise figure (DSB) of 13.1; Voltage conversion gain of 1.0 dB
  • Quadrature demodulation accuracy: phase accuracy of <0.5° and amplitude accuracy of <0.1 dB
    Baseband demodulation of 170 MHz, 3-dB bandwidth
  • SPI serial interface for PLL programming
Pricing and Availability

ADRF6806 Pricing and Availability


The ADRF6806 and ADRF6807 can be designed into circuits with ADI's ADL5561 and ADL5562 IF VGAs, ADL5535 and ADL5536 IF amplifiers and more.

ADI's RF IC Portfolio Covers Entire RF Signal Chain
Using a unique combination of design skills, system understanding and process technologies, Analog Devices offers the broadest portfolio of RF ICs covering the entire RF signal chain from industry-leading high-performance RF function blocks to highly integrated WiMAX and short-range, single-chip transceiver solutions. The RF function blocks include PLL, integrated PLL/VCO and DDS synthesizers; TruPwr™ RMS power detectors and logarithmic amplifiers; variable gain amplifiers; power amplifiers, low noise amplifiers and other amplifiers; RF mixers and direct conversion modulator and demodulator products. These products are supported by a wide range of design resources to ease the development of RF systems, including free design tools, Circuits from the Lab™ reference circuits and the EngineerZone™ technical forums. For more information, visit http://www.analog.com/rf.



About Analog Devices
Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker “ADI” and is included in the S&P 500 Index.


Follow ADI on Twitter at http://www.twitter.com/ADI_News

To subscribe to Analog Dialogue, ADI's monthly technical journal, visit: http://www.analog.com/library/analogDialogue/


Contacts
Analog Devices, Inc.
Colleen Cronin, 781-937-1622
Colleen.cronin@analog.com














Date Posted  10/11/2011

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