Inventor
WALKER BRETT C
US18 patents
⚠️ This page may combine multiple inventors who share the name “WALKER BRETT C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
12 patentsUS7174190B2Feb 6, 2007
Serial bus interface for direct conversion receiver
QUALCOMM INC40 citations96
US7062229B2Jun 13, 2006
Discrete amplitude calibration of oscillators in frequency synthesizers
QUALCOMM INC25 citations92
US6888913B2May 3, 2005
Wireless communication device with phase-locked loop oscillator
QUALCOMM INC26 citations92
US8022756B2Sep 20, 2011
Output circuits with class D amplifier
QUALCOMM INC33 citations89
US6711391B1Mar 23, 2004
Gain linearizer for variable gain amplifiers
QUALCOMM INC51 citations89
US7546097B2Jun 9, 2009
Calibration techniques for frequency synthesizers
QUALCOMM INC14 citations83
US6845083B2Jan 18, 2005
Multi-standard transmitter system and method for a wireless communication system
QUALCOMM INC15 citations79
US8019301B2Sep 13, 2011
Calibration techniques for frequency synthesizers
QUALCOMM INC2 citations62
US7974317B2Jul 5, 2011
Systems and methods for controlling the voltage of signals used to control power amplifiers
QUALCOMM INC3 citations62
US7570925B2Aug 4, 2009
Discrete amplitude calibration of oscillators in frequency synthesizers
QUALCOMM INC3 citations62
US6906592B2Jun 14, 2005
Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics
QUALCOMM INC5 citations61
US7106138B2Sep 12, 2006
Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics
QUALCOMM INC0 citations51