Referenced Items are not available for this document.
In this paper, a new /spl lambda//4 bias transmission line that is added dumbbell-shaped defect ground structure (DGS) on ground plane of the conventional /spl lambda//4 bias transmission line is proposed. This DGS /spl lambda//4 bias transmission line maintains high impedance, but physical width is wider and length is shorter than that of the conventional bias line. If the proposed bias line is attached on signal transmission line, this bias line can reduces the 3/sup rd/ harmonic signal as well as the 2/sup nd/ harmonic signal. When the proposed bias line is adopted in power amplifier on IMT-2000 basestation transmitting band, the 3/sup rd/ harmonic signal is reduced about 26.5 dB than the conventional structure.
Published in:
Microwave Symposium Digest, 2002 IEEE MTT-S International
(Volume:2
)
Date of Conference: 2-7 June 2002
- Page(s):
- 1161 - 1164 vol.2
- Meeting Date :
- 02 Jun 2002-07 Jun 2002
- ISSN :
- 0149-645X
- Print ISBN:
- 0-7803-7239-5
- INSPEC Accession Number:
- 7308545
- Conference Location :
- Seattle, WA, USA
- Digital Object Identifier :
- 10.1109/MWSYM.2002.1011854
- Product Type:
- Conference Publications
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