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| Titel: |
Optimum Reflection-Type Phase Shifter Using (Ba,Sr)TiO3 Thin Film |
| Auteur: |
Kim, Young-Tae Ryu, Han-Cheol Kwak, Min-Hwan Moon, Seung-Eon Lee, Su-Jae Kim, Sun-Hyeong Park, Jun-Seok Han, Seok-Kil |
| Verschenen in: |
Integrated ferroelectrics |
| Paginering: | Jaargang 56 (2003) nr. 1 pagina's 1107-1114 |
| Jaar: |
2003 |
| Inhoud: |
In this paper, in order to obtain a large differential phase shift with a little change in applied voltage, a ferroelectric reflective load circuit has been designed on top of barium strontium titanate (Ba,Sr)TiO3 [BST] thin film. The design of the ferroelectric reflection-type phase shifter is based on a reflection theory of terminating circuit, which has a reflection-type analogue phase shifter with two ports terminated in symmetric phase-controllable reflective networks. To achieve large amounts of phase shift in low bias-voltage range, the effects of change of capacitance and transmission line connected with two coupled ports of a 3-dB 90° branch-line hybrid coupler have been investigated. A large phase shift with a small capacitance change in the parallel terminating circuit has been demonstrated in the paper. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 14 van 18 gevonden artikelen
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