ANADIGICS' CDMA Driver Amplifier IC Reduces Space Requirements

Business Wire, May 1, 1997

WARREN, NJ--(BUSINESS WIRE)--April 21, 1997--ANADIGICS, Inc. of Warren, NJ has introduced a low cost driver amplifier GaAs MMIC for use with PCS 1900 MHz CDMA applications. This GaAs IC serves as a core active device building block for 1850 to 1910 MHz CDMA cellular phone transmitter functions. This fully integrated, low-cost GaAs MMIC, the AWD1900, is designed to accommodate the strict linearity requirements of the CDMA standard. The AWD1900 is an off-the-shelf solution that will significantly reduce development time.

The AWD1900 offers increased functionality compared to other drivers on the market. The device is composed of a three-stage Class A GaAs MESFET cascaded amplifier, an output SPDT switch and an integrated one bit 15 dB attenuator. The AWD1900 features switchable dual outputs, a typical ACPR of 40 dBc at an output power of 10.5 dBm. The device also provides a stepped gain function of 32 dB/17 dB, and operates from a 5V supply while drawing less than 100 mA.

The AWD1900 is smaller than competing solutions and also reduces the number and size of external components thus saving cost and real estate.

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. To optimize linearity, a high performance driver amplifier is critical.

In addition to reduced space requirements, this GaAs MMIC solution provides an economic alternative to discrete and hybrid amplifiers. The AWD1900 is packaged in a 28 pin SSOP package. It is manufactured using ANADIGICS' high volume GaAs MESFET technology, resulting in a low cost and space efficient solution compared to hybrid modules and discrete designs.

The AWD1900 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 AWD1900 is available at $5 in quantities of 100,000.

For additional information on pricing and product availability, contact ANADIGICS by phone: (908) 668-5000, or fax: (908) 668-5132. 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 60 million GaAs ICs and was the first GaAs IC manufacturer to receive ISO 9001 Certification.

CONTACT: Allan S. Fliss

Debra Norman

201/299-0070

dnorman@richartz-fliss.com