Referenced Items are not available for this document.
Exact formulae are presented for both maximum available gain (G/sub ma/) and unilateral gain (U), which include both the magnitude and phase angle of the S/sub 21/ parameter. The result for G/sub ma/ is not unique since there are many possible solutions to simultaneously match S/sub 11/ and S/sub 22/ when k>1. For the phase angle of U, the result tends to become 180/spl deg/ when using the topology of a variable coupler, a line stretcher, and a feedback amplifier. From the verifications, an amplifier using the unilateralizing technique will achieve 4-6 dB higher gain than that of the G/sub ma/ amplifier.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:13
,
Issue:
3
)
Date of Publication: March 2003
- Page(s):
- 105 - 107
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 7558932
- Digital Object Identifier :
- 10.1109/LMWC.2003.810118
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 20 March 2003
- Issue Date :
- March 2003
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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