Granted Patent
Utility
US 6,707,865 · App. 09/954,589
Digital voltage gain amplifier for zero IF architecture
Inventor:
Raghu Narayan Challa
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Sep 14, 2001
Inventor
Raghu Narayan Challa
Assignee (at issue)
QUALCOMM Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.