Telecommunications – Transmitter – Including tuning
Reexamination Certificate
2007-03-13
2007-03-13
Urban, Edward F. (Department: 2618)
Telecommunications
Transmitter
Including tuning
C455S121000, C455S123000, C455S119000, C333S017300, C333S124000, C343S860000, C343S861000
Reexamination Certificate
active
10891708
ABSTRACT:
Disclosed is a circuit and method for automatic tuning of a resonant circuit in a transceiver having a receiver and a transmitter that includes a power amplifier for driving the resonant circuit. During a transmit mode of the transceiver, a resonance voltage of the resonant circuit is compared to an input voltage signal to the power amplifier to determine an error signal that is converted into a control word. The control word drives an adjustable capacitance bank that is part of the resonant circuit. During a receive mode of the transceiver, the control word value is held constant to substantially maintain resonance of the resonant circuit during operation of the receiver.
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De Ruijter Hendricus
Erdélyi János
Hegyi András
Mernyei Ferenc
Onódy Péter
Chow Charles
Francissen Vernon W.
Francissen Patent Law, P.C.
Intergration Associates Inc.
Urban Edward F.
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