Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2005-03-22
2005-03-22
Urban, Edward F. (Department: 2685)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S126000, C455S127100, C455S574000, C375S345000
Reexamination Certificate
active
06871050
ABSTRACT:
A circuit configuration is provided for controlling the transmitting power of a battery-operated transceiver. A high transmitting power of a mobile transceiver generates a high voltage drop across an internal impedance of the battery which can lead to the device switching off. A reduction in the transmitting power in dependence on the battery voltage is therefore proposed. The battery voltage is thus compared with a reference voltage and a signal representing a nominal transmitting power is correspondingly corrected. The circuit can be integrated in a simple manner with analog components in an IC.
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Chow Charles
Greenberg Laurence A.
Infineon - Technologies AG
Mayback Gregory L.
Stemer Werner H.
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