Inventor
KEHLER JR WALTER H
US5 patents
Patents
5 patentsUS4991227AFeb 5, 1991
Squelch circuit with variable squelch tail and variable hysteresis
MOTOROLA INC21 citations78
US6414554B1Jul 2, 2002
Method and apparatus for calibrating a local oscillator in a direct conversion receiver
MOTOROLA INC10 citations71
US6157260ADec 5, 2000
Method and apparatus for calibrating a local oscillator in a direct conversion receiver
MOTOROLA INC10 citations71
US4968952ANov 6, 1990
Voltage control oscillator with automatic current control
MOTOROLA INC18 citations70
US5454118ASep 26, 1995
Method and apparatus for prevention of squelch chatter
MOTOROLA INC4 citations61