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Elektro- och informationsteknik

Lunds Tekniska Högskola | Lunds universitet

 

Low energy transceivers for high performance high frequency communications

The number of cell phone subscriptions in the world already outnumber the people by a few hundred million. In the future, machines, appliances and medical implants, etc. are also expected to have their own subscriptions. In each of these billions of wirelessly connected devices there is at least one transceiver, an electrical circuit that converts the digital data inside the device into analogue, electromagnetic signals that are sent through the air. The Focus of Therese Forsberg’s research has been to improve these transceivers.

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The dissertation takes place in E:1406, Ole Römers väg 3, Lund the 13 December 9.15.


Every transceiver needs local frequency generation. The chip in the middle of the picture, is 0.9 mm times 0.9 mm. The chip contains a frequency generation circuit with good performance and a very low power consumption, intended for future cellular communication applications. As this design is still not a part of a complete transceiver integrated on a single chip, the chip interfaced during measurements using thin metal wires and special fine-pitched probes. Photo: Therese Forsberg

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