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Analog Devices Press Release - January 5, 2010

Analog Devices' PLL Synthesizer Enables Flexible and Cost-Effective Radar Systems in Automotive, Aerospace, Industrial and Communications Applications

- Feature-rich ADF4158 PLL synthesizer effective for FMCW radar systems, allows programmability and configurability without dependence on VCO linearity; product is one-third cost of competitive devices.

Visit Analog DevicesDecember 26, 2009 -- NORWOOD, Mass.-- (EON: Enhanced Online News)-- Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications and leading provider of RF ICs (integrated circuits), announced today the availability of its new ADF4158 PLL synthesizer which enables flexible and cost effective implementation of FMCW (frequency modulated continuous wave) radar systems. FMCW radar systems are used widely in automotive, aerospace, military, industrial and communications applications to remotely measure the relative distance and speed of external objects. FMCW radar systems can deliver detection and ranging at much lower power levels compared to traditional pulsed radar approaches thereby offering a significant cost advantage.

FMCW radar systems require very high radio performance and current approaches that rely on the linearity of the VCO (voltage controlled oscillator) pose a number of design challenges due to their complexity, inflexibility, and high cost. The latest addition to ADI’s industry-leading family of PLL synthesizers, the ADF4158, is a 6.1GHz feature-rich and programmable device that can easily be configured to suit individual FMCW radar system designers’ needs. Implementation of an FMCW radar system using the ADF4158 produces a highly linear ramp profile that is completely independent of VCO linearity, thereby improving radar resolution and reducing cost and complexity associated with system calibration. Furthermore, the ADF4158 is based on dependable BiCMOS process technology to enable affordable implementations at one-third the cost of competitive devices.

Additional ADF4158 Key Features and Benefits:

• 25-bit modulus allows sub-hertz frequency resolution
• Frequency and phase modulation capability
• Generates saw-tooth and triangular waveforms in the frequency domain
• Generates parabolic ramp
• Generates ramp with frequency-shift keying (FSK) superimposed
• Generates ramp with two different sweep rates
• Ramp delay, ramp frequency readback and ramp interruption
• 2.7 V to 3.3 V power supply
• Separate VP allows extended tuning voltage

Pricing, Availability, Tools and Complementary Products

The ADF4158 PLL synthesizer is available now in a 4mm x 4mm 24 lead LFCSP package and is priced at $4.88 per unit in 1,000 unit quantities and $4.14 per unit in 10,000 unit quantities. It is supported by ADI’s popular ADIsimPLL™, a free downloadable design tool from http://www.analog.com/adisimpll, that enables the rapid and reliable evaluation of new high performance PLL products from ADI by performing simulations of all key performance variables. The ADF4158 is well suited for use together with ADI’s portfolio of high performance automotive signal processing and conditioning products including the ADSP-BF531 Blackfin® Processor, and the high performance AD7357 14-bit 4.2 MSPS analog-to-digital converter. To connect with a specialist, cross reference tools, and more resources on how to use and obtain ADI products, please click here: www.analog.com/buy.

For more information on the ADF4158 PLL synthesizer, please visit www.analog.com/pr/adf4158.
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 DDS and PLL synthesizers; TruPwr™ rms power detectors and logarithmic amplifiers; X-Amp® VGAs; power amplifiers, LNAs and other RF amplifiers, mixers and direct conversion modulator and demodulator products. These products are supported by a wide range of free design tools to ease the development of RF systems. For more information, visit: http://www.analog.com/rf.

About Analog Devices, Inc.

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 technologies, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits for analog- and digital-signal processing applications, 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. http://www.analog.com

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


Analog Devices, Inc.
Colleen Cronin

Posted 1/5/2010

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