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Analog Devices Introduces Low-Power Radio Frequency Prescalers

Mon, 05/10/2010 - 10:11am

Analog Devices, Inc. announced today the availability of new RF prescaler circuits for a variety of applications, including point-to-point radios, VSATs (very small aperture terminals) and microwave communication systems. A prescaler is a circuit that generates an output signal related to an input signal by a fractional scale factor. Designed using ADI’s industry-leading RF and PLL (phase locked loop) synthesizer design expertise, the ADF500x RF prescalers offer the industry’s highest performance for a fixed divide ratio of 2, 4 or 8 and can operate to 18 GHz with very low power consumption.

Using a nominal 3-V supply, the ADF500x devices have differential 100 ? RF outputs that allow a direct interface to the differential RF inputs of ADI’s PLL products. This launch of the ADF500x series of products includes three new devices: the ADF5000 divide-by-2 prescaler; ADF5001 divide-by-4 prescaler and ADF5002 divide-by-8 prescaler.

ADF500x Prescaler Features and Benefits:

  • Divide by 2, 4 or 8 options
  • Integrated RF de-coupling capacitors
  • Low power consumption: active mode at 30 mA and power down mode at 7 mA
  • Low phase noise at -150 dBc/Hz
  • Single DC supply that is +3V compatible with ADI’s extensive offering of PLLs

Pricing, Availability, Tools and Complementary Products

The ADF500x RF prescalers are available now in 3 mm x 3 mm LFCSP packaging and are priced at $6.97 per unit in 10,000-unit quantities. They complement ADI’s wide range of PLL products and are supported by ADI’s popular ADIsimPLL, a free downloadable design tool available at http://www.analog.com/adisimpll that enables the rapid and reliable evaluation of high-performance PLL products by performing simulations of all key performance variables. More information, including complete data sheets, is available at http://www.analog.com/pr/adf5000.

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/pr/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. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in 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

ADIsimPLL, TruPwr and X-Amp are trademarks of Analog Devices, Inc.

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