Referenced Items are not available for this document.
The imaginary part X(Sopt) of the optimum noise impedance for extrinsic or packaged devices is investigated. The analysis modifies the well-known Pospieszalski noise model by applying a series feedback to the source port. A simple expression for X(Sopt ) is developed and is verified for extrinsic and packaged devices with a decreasing level of accuracy. The results give further insights into the way the parasitic inductors Lg and Ls affect the noise performance of the transistor and can help to design low-noise amplifier with simultaneous signal and noise power match at the input port
Published in:
Microwave and Guided Wave Letters, IEEE
(Volume:7
,
Issue:
9
)
Date of Publication: Sep 1997
- Page(s):
- 270 - 272
- ISSN :
- 1051-8207
- INSPEC Accession Number:
- 5695394
- Digital Object Identifier :
- 10.1109/75.622535
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Sep 1997
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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