Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate
2007-10-16
2007-10-16
Urban, Edward F. (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
C455S343100, C455S260000
Reexamination Certificate
active
10429493
ABSTRACT:
The invention relates to a circuit arrangement (4) for a PLL to be used in a terminal (50) of a time division cellular network. In a PLL according to the invention, the control voltage (32a) to a VCO (33) in the PLL is kept at a desired value also during time slots in which the terminal is not receiving or transmitting messages. The settling time for a PLL according to the invention is shot and the spurious effects caused by the power up thereof are small. The invention further relates to a method of operation for a PLL.
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Hannon Christian A.
Harrington & Smith PC
Urban Edward F.
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