Patents by Inventor Sheela N. Vasudev

Sheela N. Vasudev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Block downconverter using a SBAR bandpass filter in a superheterodyne receiver
    Publication number: 20020111151
    Abstract: Several embodiments of a block downconverter using a SBAR bandpass filter in a superheterodyne receiver are disclosed. The block downconverter is coupled to receive a radio frequency input that includes a target region. The block downconverter is configured to produce a selected one of an overlapping plurality of portions of the target region as an intermediate frequency (IF) block having a fixed center frequency. Furthermore, the block downconverter includes a semiconductor bulk acoustic resonator (SBAR) filter that operates as an IF filter.
    Type: Application
    Filed: February 15, 2001
    Publication date: August 15, 2002
    Inventors: Reed A. Irion, Hon Yee, Prahalad K. Vasudev, Sheela N. Vasudev