INDUSTRY'S HIGHEST PERFORMANCE BROADBAND MODULATOR AND DEMODULATOR ENABLE DIRECT CONVERSION CELLULAR BASESTATIONS

ADI’s ADL5375 quadrature modulator and ADL5382 demodulator simplify RF-to-baseband designs and enable engineers to extend solutions to subsequent wireless infrastructure system designs.
ADL5375_ADL5382

Norwood, MA (12/12/2007) - ADI is extending its RF portfolio with the industry’s highest performance broadband direct conversion radio solution: the ADL5375, I-Q modulator and companion ADL5382 I-Q demodulator. With the industry’s broadest operating frequency ranges, the ADL5375 and ADL5382 devices enable equipment designers to implement and standardize on solutions that address the wide range of operating frequency bands and standards, including GSM/EDGE, CDMA 2000, and W-CDMA, eliminating the need to select a modulator or demodulator for each cellular standard and operating band. Furthermore, designers can now implement one common radio platform for cellular standards as well as broadband wireless 802.16 WiMAX standards, which are increasingly being designed using direct conversion radio architectures.

400 MHz to 6 GHz Transmit Quadrature Modulator – ADL5375
The ADL5375 offers the industry's highest dynamic range across the broadest frequency range—400 MHz to 6 GHz—a key attribute for direct up conversion transmitter architectures. The ADL5375 combines the industry’s highest linearity with 24-dBm output IP3, the highest linear output power with +10-dBm P1dB, and a low –161-dBm/Hz noise floor. The ADL5375 provides unadjusted sideband suppression of –55 dBc and unadjusted carrier feed-through of –41 dBm, helping to eliminate the need for calibration circuitry among the most demanding of applications within cellular 2G and 3G radios. In addition, the ADL5375 allows the user to shut down the transmitter, simplifying receiving of small signals in time division applications, such as WiMAX and TDS-CDMA.

700 MHz to 2.7 GHz Receive Quadrature Demodulator – ADL5382
The ADL5382 covers the RF frequency range of 700 MHz to 2.7 GHz, offering the industry’s highest dynamic range with the highest linearity specifications, exemplified by second and third order intercept point specifications of 60-dBm IP2 and 30-dBm IP3, and highest input compression of 13-dBm P1dB. Combining these key specifications with the ability to handle the highest of interference signals with minimal noise contributions ensures that the receiver dynamic range is maintained, a critical requirement for direct conversion receivers and now practical across the ADL5382’s broad operating frequency range. With integrated baseband output amplifiers, the ADL5382 reduces external parts count and simplifies subsequent filter design. Furthermore, the ADL5382 provides approximately 5 dB of conversion gain, helping to minimize the gain requirements of the receiver front end

Availability and Pricing
The ADL5375 quadrature modulator is available in full production and is priced at $4.98 per unit in 1,000-piece quantities. The ADL5382 quadrature demodulator is sampling now and will be available in full production quantities in March 2008. It is priced at $5.22 per unit in 1,000-piece quantities. Both are available in 24-lead LFCSP_VQ (lead-frame chip-scale packages). For more information, visit http://www.analog.com/pr/ADL5375 and http://www.analog.com/pr/ADL5382.

ADI RF IC Portfolio Covers Entire RF Signal Chain
Using a unique combination of design skills; system understanding; and process technologies, such as RFCMOS, GaAs, and SiGe; Analog Devices offers a portfolio of radio frequency (RF) ICs covering the entire RF signal chain. The portfolio features a full range of industry-leading high-performance RF function blocks and highly integrated single-chip transceiver solutions. The RF function blocks include direct digital synthesizers (DDS); phase-locked loop synthesizers (PLLs); TruPwr™ power detectors and logarithmic amplifiers; X-AMP® variable gain amplifiers (VGAs); RF amplifiers, such as PAs and LNAs; mixers; and direct conversion modulator and demodulator products.

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.

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 is included in the S&P 500 Index.

Editor's Contact Information:

Jennifer Viera
781-937-1363

jennifer.viera@analog.com

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