Abstract

This paper investigates the impact of high frequency noise correlation on SiGe HBT LNA design. With correlation, simultaneous noise and impedance match is found to continue to hold approximately. However, a larger size and hence a higher biasing current are required for noise matching. The actual noise figure (NF) of LNAs designed without considering noise correlation is also investigated. Further investigation shows that a size considerably smaller than noise matching size is more preferable, as it produces high gain, high linearity and NF only slightly higher noise figure at much smaller power consumption.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.