Phase locked loop demodulator with gain control
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United States of America Patent
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Sep 2, 2008
Grant Date -
Apr 6, 2006
app pub date -
Oct 9, 2003
filing date -
Oct 30, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a demodulator to demodulate frequency-modulated signals FM including a phase locked loop PLL including at least a phase detector, a loop filter and a voltage controlled oscillator function VCO', characterized in that said voltage controlled oscillator function VCO' has modifiable gain. The invention allows to eliminate drawbacks presented by the conventional use of a complex gain modifiable amplifier at the input of demodulated signal processing means. Application: demodulation of modulated signals: wireless phone, home network.
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