A Ka-Band Electronically Tunable Ferroelectric Filter

This letter presents a three-pole tunable Ka-band coplanar filter that includes six high-Q BST ferroelectric capacitors. It tunes from 29 GHz up to 34 GHz (17%) with low bias voltages ranging from 0 V to 30 V. The filter has fractional bandwidths of 9.5-12.2%. It has a good insertion loss for this c...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2009-06, Vol.19 (6), p.356-358
Hauptverfasser:	Courreges, S., Yuan Li, Zhiyong Zhao, Kwang Choi, Hunt, A., Horst, S., Cressler, J.D., Papapolymerou, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band pass filters Bandwidth Barium strontium titanate (BST) Barium strontium titanates Bias Binary search trees Capacitors Circuit properties Dielectric, amorphous and glass solid devices Electric potential Electric, optical and optoelectronic circuits Electronic circuits Electronics Engineering Sciences Exact sciences and technology Ferroelectric materials Ferroelectricity Filter bank Frequency Frequency filters Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwave filters Microwaves Noise levels Resonator filters Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Tunable circuits and devices Voltage
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