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|Title:||Two paralleled Ba0.25 Sr0.75 TiO3 ferroelectric varactors series connected coplanar waveguide microwave phase shifter||Authors:||Sheng, S.
|Issue Date:||2009||Citation:||Sheng, S., Wang, P., Chen, X., Zhang, X.-Y., Ong, C.K. (2009). Two paralleled Ba0.25 Sr0.75 TiO3 ferroelectric varactors series connected coplanar waveguide microwave phase shifter. Journal of Applied Physics 105 (11) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3140603||Abstract:||A distributed phase shifter of coplanar waveguide (CPW) using ferroelectric (Ba0.25 Sr0.75 TiO3) film varactors with parallel-plate electrodes is presented. In order to satisfy the requirement of small dimension of the parallel-plate varactor for the design of phase shifter and impedance match of the circuit, two parallel-plate varactors of 8×10 μ m2 are connected in series. The fabricated CPW phase shifter exhibited low insertion loss of 2.3 dB and large differential phase shift of 170° at 7 GHz with a dc bias voltage of 25 V. © 2009 American Institute of Physics.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/117209||ISSN:||00218979||DOI:||10.1063/1.3140603|
|Appears in Collections:||Staff Publications|
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