Referenced Items are not available for this document.
A heterojunction bipolar transistor (HBT) MMIC linear power amplifier is demonstrated for the 1.9 GHz Japanese Personal Handy Phone utilizing the /spl pi//4 DQPSK modulation technique. At an operating voltage of only 3 V, an output power of 21 dBm and a power added efficiency of 35% are obtained along with a modulation vector error of 4.5% and an adjacent channel interference of /spl minus/60 dBc in +//spl minus/600 kHz offset frequency bands.<
Published in:
Microwave and Guided Wave Letters, IEEE
(Volume:4
,
Issue:
3
)
Date of Publication: March 1994
- Page(s):
- 65 - 67
- ISSN :
- 1051-8207
- INSPEC Accession Number:
- 4680728
- Digital Object Identifier :
- 10.1109/75.275582
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- March 1994
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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