Cellular handset manufacturers now can leapfrog to the next generation of phones with ANADIGICS new low cost GaAS power amplifier.

WARREN, N.J.--(BUSINESS WIRE)--June 17, 1997--The new ANADIGICS low cost GaAs power amplifier, the AWT1903, is intended for use with PCS 1900 MHz CDMA applications.

The AWT1903 power amplifier serves as a core active device building block for 1850 to 1910 MHz CDMA cellular phone transmitter functions. The power amplifier is designed and optimized to accommodate the linearity requirements of the CDMA signal spectrum by significantly minimizing spectral regrowth.

The AWT1903 is an off-the-shelf solution that will significantly reduce development time and space requirements. The power amplifier is composed of a 5V three stage class AB GaAs MESFET amplifier requiring an external -3.6V supply to establish the gate bias voltages. Featuring an integrated bias control circuit, the AWT1903 enables the user to easily implement temperature compensation or reduce the power dissipation during idle periods and low power transmit levels.

The IC typically exhibits 26 dB gain, -12 dB input return loss, 33% efficiency and an ACPR @1.25 MHz offset of 33 dBc at an output power of 28 dBm in the 1850 to 1910 MHz PCS band. The AWT1903 is well suited to handle the linearity requirements of CDMA signals at 28 dBm with high gain and efficiency.

The output matching circuit and main bias control element are completely external to the package, enabling the user to make any performance tradeoffs particular to the system.

Code Division Multiple Access (CDMA), operating within the PCS frequency range, is an access method applied in digital cellular systems. The CDMA signal must be transmitted in a linear fashion to maintain phase-shift keying modulation and to prevent spectral regrowth into adjacent channels. Also, adjacent channel power rejection requires linear power amplifier operation at lower power levels while maintaining high DC to RF conversion efficiency to maximize battery life.

In addition to reduced space requirements, this GaAs MMIC solution provides an economic alternative to discrete and hybrid amplifiers. The AWT1903 is packaged in a 28 pin thermally enhanced SSOP package. It is manufactured using ANADIGICS' high volume GaAs MESFET technology, resulting in a low cost and space efficient solution compared to hybrid models and discrete designs. The AWT1903 is manufactured in the company's state-of-the-art ISO 9001 certified facility in New Jersey, and is 100% tested at DC and RF before shipping to maximize reliability.

The AWT1903 is available at $8 in quantities of 100,000.

For additional information on pricing and product availability, contact ANADIGICS by phone: [phone], or fax: [phone]. For information on ANADIGICS, visit the company's web site at http://www.anadigics.com.

Founded in 1985, ANADIGICS is a pioneer in the manufacture of gallium arsenide integrated circuits for high volume communications applications. ANADIGICS components are the enabling technology for many of today's products used in consumer electronic applications, including mobile telephones, cable television set top boxes, direct broadcast satellite TV receivers, fiber-optic data transmission systems, and other advanced communications networks. To date, ANADIGICS has delivered over 70 million GaAs ICs and was the first GaAs IC manufacturer to receive ISO 9001 Certification.

CONTACT: Allan S. Fliss

Debra Norman

201/299-0070

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