Modified rectangular oscillating patch antenna with bipolar transistor (CROSBI ID 473728)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Bonefačić, Davor ; Bartolić, Juraj
engleski
Modified rectangular oscillating patch antenna with bipolar transistor
A new self-oscillating antenna built by integrating a bipolar transistor and a line impedance transformer in a rectangular opening inside a rectangular patch has been presented. This compact and low cost design showed very linear change of the oscillating frequency with the dc bias voltage. A clean spectrum was observed in the whole tuning range. The radiation patterns show no degradation in comparison to a non-modified patch. The cross-polarization levels in both E and H planes are low. The possibility of external injection locking has been demonstrated. Future work will be focused on building an array of these active elements and investigating the possibility of adding a varactor for increasing the frequency tuning range.
microstrip antenna; active antenna; oscillator; oscillating antenna
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Podaci o prilogu
2402-2405-x.
1999.
objavljeno
Podaci o matičnoj publikaciji
IEEE Antennas and Propagation Society Interational Symposium Digest, Vol. 4
Tammen, David ; Medina, Jorge
Orlando (FL): Institute of Electrical and Electronics Engineers (IEEE)
Podaci o skupu
IEEE Antennas and Propagation Society Interational Symposium 1999
predavanje
11.07.1999-16.07.1999
Orlando (FL), Sjedinjene Američke Države