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Details of Grant 

EPSRC Reference: GR/K75675/01
Title: MICROMACHINED ACTIVE ANTENNAS
Principal Investigator: Hall, Professor PS
Other Investigators:
Gardner, Professor P Fusco, Professor V
Researcher Co-Investigators:
Project Partners:
Department: Electronic, Electrical and Computer Eng
Organisation: University of Birmingham
Scheme: Standard Research (Pre-FEC)
Starts: 29 May 1996 Ends: 28 July 1999 Value (£): 182,875
EPSRC Research Topic Classifications:
RF & Microwave Technology
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:  
Summary on Grant Application Form
Active antennas are now well established as an important outcome of the convergence of printed antennas and microwave integrated circuits. The overcome the known problem of the incompatible substrate requirements by intimate integration of devices and radiators to form for example microstrip patch oscillators and mixers. However construction in fully planar technology leads to notable problems such as oscillator instability and unrepeatability and substrate surface waves which both lead to degradations in scanned active arrays using injection locking methods. We propose to investigate how silicon micromachining can be used to overcome these problems by creating a series of technology demonstrators of transmit elements and receive elements and arrays of both. Here the three dimensional nature of micromachined structures coupled with the possibility of the construction of closed circuits with slot radiators is seen to be a major advantage and may well lead to a useful range of new devices.
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Organisation Website: http://www.bham.ac.uk