Television – Receiver circuitry – Tuning
Reexamination Certificate
2007-04-10
2007-04-10
Natnael, Paulos (Department: 2622)
Television
Receiver circuitry
Tuning
Reexamination Certificate
active
10707438
ABSTRACT:
A television (TV) tuner includes a first mixer having an input terminal coupled to a received RF signal for producing an intermediate frequency signal, a notch filter having an input terminal coupled to the intermediate frequency signal for removing a first range of signals centered at a first center frequency in the intermediate frequency signal, a band-pass filter having an input terminal coupled to the intermediate frequency signal for passing a second range of signals centered at a second center frequency in the intermediate frequency signal, and a second mixer having inputs coupled to a filtered intermediate frequency signal for producing a first output signal. The filtered intermediate frequency signal is received from an output of the notch filter and the band-pass filter.
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Lee Liang-Hui
Su Tung-Ming
Twu Dsun-Chie
Hsu Winston
Natnael Paulos
Realtek Semiconductor Corp.
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