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Symmetric microstrip, interdigital capacitor-compensated high directivity directional-coupler
- Authors
- Baek, Donghyun; Kirn, Youngjin
- Issue Date
- Nov-2008
- Publisher
- JOHN WILEY & SONS INC
- Keywords
- directivity; interdigital; capacitor; directional; coupler
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.50, no.11, pp 2801 - 2803
- Pages
- 3
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 50
- Number
- 11
- Start Page
- 2801
- End Page
- 2803
- ISSN
- 0895-2477
1098-2760
- Abstract
- This article describes a symmetric capacitor-compensated microstrip directional-coupler design with very high directivity. The compensation capacitors are incorporated between the coupling lines as interdigital type on the PCB board. The prototype directional-coupler shows 19.6 dB coupling factor and achieves very high directivity of more than 45 dB at 1.9 GHz. (c) 2008 Wiley Periodicals, Inc.
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