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Mitsubishi Electric to Launch WCDMA Power Amplifiers for PC Data Communication in Cellular Networks

Tokyo, December 20, 2010 - Mitsubishi Electric Corporation (TOKYO: 6503) announced today it will launch five new models of gallium arsenic (GaAs) power amplifiers to be used in personal computer (PC) data communication terminals for WCDMA 1 cellular networks. Sales will begin on March 1, 2011 through Mitsubishi Electric sales sites worldwide.
1:  Wideband Code Division Multiple Access; one of the digital modulations for 3rd generation cellular terminals featuring large capacity and high speed data transmission

WCDMA power amplifier for PC data communication

Summary of Sale

Model Frequency band Sale date
BA012F1 Band 1: 1920 1980MHz Mar. 1, 2011
BA012F2 Band 2: 1850 1910MHz
BA012F3 Band 3: 1710 1785MHz Jun. 1, 2011
BA012F5 Band 5: 824 849MHz Mar. 1, 2011
BA012F8 Band 8: 880 915MHz

Aim of Sale

With faster data transfer speeds of cellular networks, development of PC data communication terminals, such as data cards or USB terminals, has become extremely active. However, market demand for smaller terminals, which required more power output due to greater data traffic, created the issue of needing to limit heat accumulation as much as possible.

Mitsubishi Electric's new GaAs power amplifiers achieve an industry-leading power added efficiency (PAE) of 45 percent, contributing to lower power consumption and heat emission.

Product Features

1) Industry-leading power added efficiency of 45%, line up covers five major frequency bands
- An industry-leading PAE of 45% at maximum output power of 670mW helps reduce energy consumption and limits heat emission in data communication terminals
- Incorporates GaAs bipolar field effect transistor (BiFET) technology for high PAE and high level of integration
- Series line up covers the five major frequency bands available in North America, Europe and Asia
2) Built-in coupler and attenuator
- The amplifiers include a coupler monitoring the output power and an attenuator that switches the power gain
- Small 3 mm x 3 mm x 1 mm mold package
3) Compliant with environmental directives
- Fully compliant with the European Restriction of the use of certain Hazardous Substances in electrical and electronic equipment (RoHS) directive
- Completely halogen-free, based on IEC (International Electrotechnical Commission) 61249-2-21

Other Features

Frequency bands 5 major frequency bands
Output power Pout: 670mW (28.25dBm)
Power added efficiency PAE: 45%
Power gain Gp: 2727.5dB,
(can be set at 1313.5dB with built-in attenuator)
Supply voltage Vcc: 3.4V
Adjacent channel leakage power ratio ACLR5MHz: -41dBc, ACLR10MHz: -55dBc
Output power monitor built-in coupler
Package size 3mm × 3mm × 1mm