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Toshiba updates GaAs FETs portfolio

Posted: 26 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:gallium arsenide FETs? communications? power efficiency?

TIM1011-2UL

Toshiba America Electronic Components Inc. has expanded its gallium arsenide (GaAs) FETs lineup with four new devices optimized for power efficiency. The Power Added Efficiency enhanced GaAs FETs are targeted for microwave radios and block up converters (BUCs).

Two new X-band GaAs FETs for microwave digital radios supporting point-to-point and point-to-multipoint terrestrial communications, the TIM1011-2UL and the TIM1011-8UL, operate in the 10.7-11.7GHz range. The TIM1011-2UL has an output power at 1dB gain compression point of 2W, or 33.5dBm (typ), linear gain of 9.5dB (typ) and power added efficiency of 36 percent. The TIM1011-8UL features an output power at 1dB gain compression point of 8W, or 39.5dBm (typ), linear gain of 9dB (typ), and power efficiency of 39 percent.

For satellite applications, Toshiba has added two 30W C-band power amplifiers that operate in the 5.9-6.4GHz and 7.7-8.5GHz range. Both are targeted for use in BUC applications for very small aperture terminals (VSAT) and solid-state power amplifiers (SSPAs). The TIM 5964-30 UL has an output power at 1dB gain compression point of 45dBm (typ), gain of 10dB (typ) and power efficiency of 41 percent. The TIM 7785-30 UL features an output power at 1dB gain compression point of 45dBm (typ), gain of 9dB (typ) and power efficiency of 39 percent.

"In the conversion from old analog transmission technology to digital in the telecommunication industry, system operators need to install more equipment or boards into the same limited space, and are asking microwave communication system designers to develop smaller and lighter systems. The improved efficiency of these power amplifiers will help microwave designers ease thermal management in their BUC and SSPA designs such as smaller heat sinks and possible fanless configurations contributing to reduced size and weight of the overall system," said Homayoun Ghani, business development manager, microwave, logic, and small signal devices, in TAEC's discrete business unit. "

Samples of the Toshiba Power Added Efficiency GaAS family are available now. Pricing information is available from TAEC.





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