Inventor
BARRETT JR RAYMOND LOUIS
US19 patents
⚠️ This page may combine multiple inventors who share the name “BARRETT JR RAYMOND LOUIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
16 patentsUS6275540B1Aug 14, 2001
Selective call receiver having an apparatus for modifying an analog signal to a digital signal and method therefor
MOTOROLA INC73 citations96
US6218973B1Apr 17, 2001
Binary random number generator
MOTOROLA INC35 citations92
US6087894AJul 11, 2000
Low power precision current reference
MOTOROLA INC21 citations92
US5644743AJul 1, 1997
Hybrid analog-digital phase error detector
MOTOROLA INC22 citations91
US5768315AJun 16, 1998
Band-pass sigma-delta converter and commutating filter therefor
MOTOROLA INC17 citations90
US5793825AAug 11, 1998
Method and apparatus for extending an operating frequency range of an instantaneous phase-frequency detector
MOTOROLA INC9 citations74
US5770980AJun 23, 1998
Fast starting oscillator
MOTOROLA INC9 citations72
US5841822ANov 24, 1998
Band-pass sigma-delta converter and commutating filter therefor
MOTOROLA INC11 citations71
US5805095ASep 8, 1998
Two's complement digital to analog converter
MOTOROLA INC8 citations71
US5754598AMay 19, 1998
Method and apparatus for controlling a phase lock loop
MOTOROLA INC7 citations71
US5651037AJul 22, 1997
Apparatus for preforming discrete-time analog queuing and computing in a communication system
MOTOROLA INC10 citations71
US5640681AJun 17, 1997
Boot-strapped cascode current mirror
MOTOROLA INC15 citations68
US6573782B2Jun 3, 2003
Sigma delta FM ratio detector
MOTOROLA INC2 citations62
US5880619AMar 9, 1999
Low power precision voltage splitter
MOTOROLA INC3 citations62
US5825213AOct 20, 1998
Method and apparatus for frequency synthesis
MOTOROLA INC5 citations61
US6768398B2Jul 27, 2004
Method and apparatus for creating a radio frequency filter
MOTOROLA INC3 citations54