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A 44-GHz monolithic waveguide plane-wave amplifier (PWA) with improved unit cell design is presented in this paper. The unit cell is a two-stage direct-coupled design and satisfies size, bistability, and stability requirements of the waveguide PWA. The ultra-compact unit cell had a cell size of 0.8 mm2, and showed a small-signal gain of 8 dB and an output power of 15 dBm at 44 GHz with a corresponding dc-to-RF efficiency of 10%. A monolithic waveguide PWA using these unit cells showed a “flange-to-flange” gain of 5 dB, an output power of 0.3 W, and an efficiency of 2% at 44 GHz
Published in:
Microwave Theory and Techniques, IEEE Transactions on
(Volume:46
,
Issue:
9
)
Date of Publication: Sep 1998
- Page(s):
- 1237 - 1241
- ISSN :
- 0018-9480
- INSPEC Accession Number:
- 6023554
- Digital Object Identifier :
- 10.1109/22.709463
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Sep 1998
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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