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Friday 29 August 2008
Design
Latest News
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Swedish firm integrates antenna on RF chip
Tuesday 4 December 2007
Lower cost manufacturing of Terahertz systems could be on the way following the successful production of a high frequency receiver with an antenna on one small chip.
Researchers at Chalmers University of Technology in Sweden have produced a receiver measuring a few square millimetre which includes an antenna, low noise amplifier, and frequency converter which have been monolithically integrated on gallium arsenide.
The circuit is designed to work at 220GHz, but Herbert Zirath, professor at the Microwave Electronics department, believes the technology could be used beyond 300GHz.
“This is a breakthrough in our research. In the next phase of this project even more functions can be integrated on the same chip,” said Zirath. “We now have the possibility of integrating imaging sensors by using circuits of a few square millimetres, which is much smaller that the present technology at a lower cost.”
This circuit could be used for safety systems, image sensors and high bit rate radio communications.
Researchers at Chalmers University of Technology in Sweden have produced a receiver measuring a few square millimetre which includes an antenna, low noise amplifier, and frequency converter which have been monolithically integrated on gallium arsenide.
The circuit is designed to work at 220GHz, but Herbert Zirath, professor at the Microwave Electronics department, believes the technology could be used beyond 300GHz.
“This is a breakthrough in our research. In the next phase of this project even more functions can be integrated on the same chip,” said Zirath. “We now have the possibility of integrating imaging sensors by using circuits of a few square millimetres, which is much smaller that the present technology at a lower cost.”
This circuit could be used for safety systems, image sensors and high bit rate radio communications.
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