Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2006-09-05
2006-09-05
Urban, Edward F. (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S141000, C455S209000, C455S255000, C455S264000, C331S034000, C331S175000, C370S317000, C375S316000
Reexamination Certificate
active
07103331
ABSTRACT:
A power supply circuit of a low noise block converter (LNB) includes a plurality of output voltage regulators. A first output voltage regulator, a local oscillator circuit, a second output voltage regulator, and an LNA are connected in series in a direction in which a power supply current flows. Therefore, a voltage adjustment width of the output voltage regulator can be reduced and a power loss can be reduced. A value of current flowing in the power supply circuit can also be decreased. Accordingly, an LNB with a reduced power consumption can be realized.
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International (French) Search Report dated Apr. 4, 2005.
Nguyen Thuan T.
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
Urban Edward F.
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