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Design of a novel compact antenna for a bluetooth LTCC module
Seo, Donghyun,Jeon, Seunggil,Kang, Namkee,Ryu, Join,Choi, Jae-Hoon Wiley Subscription Services, Inc., A Wiley Company 2008 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Vol.50 No.1
<P>A novel design concept for implementing an antenna on a compact LTCC module is proposed for a Bluetooth application. The integrated antenna consists of an LTCC module and a two-layered radiating element, which occupies a volume of 5 mm × 6.3 mm × 0.8 mm. The antenna has a 7.5 dB return loss bandwidth of 100 MHz, from 2.39 to 2.49 GHz and has nearly omni-directional radiation patterns with good antenna gain in spite of its small size. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 180–183, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23051</P>
Design and Fabrication of Dual-BPF Using LTCC for WLAN Applications
Dongho Kim,Chongdae Park,Junchul Kim,Namkee Kang 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
In this paper, a compact dimension Dual-BPF for wireless-LAN applications (IEEE 802.11 a/b/g) is realized by LTCC technology. The fabricated dual-BPF is composed of 8 layers and its size is 4.0mm × 3.5mm × 0.63mm. It has the characteristics that each center frequency of the Dual-BPF was measured as 2.45 ㎓ and 5.5㎓, respectively and also the bandwidth as 200㎒ and 700㎒. 2㎓ BPF had the passband insertion loss of less than 1.3㏈, the return loss of more than 21㏈, and the isolation level of more than 35㏈ by locating attenuation pole at 5.5㎓. 5㎓ BPF had the passband insertion loss of less than 1.8㏈, the return loss of more than 15㏈, and the isolation level of more than 40㏈ by locating attenuation pole at 2.45㎓.