Method and apparatus for selection of design parameters for...

Details Method and apparatus for selection of design parameters for... Method and apparatus for selection of design parameters for...

2005-10-18

2009-10-27

Pan, Yuwen (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S208000, C455S209000

Reexamination Certificate

active

07610034

ABSTRACT:
A double conversion tuner system is disclosed that avoids the problem of degraded performance as a result of radiated interferers. Several selection criteria are described for specifying the parameters of the tuner, including the nominal first or high intermediate frequency, a first local oscillator signal for each desired channel, a nominal second local oscillator signal, and a bandwidth of the first intermediate frequency.

REFERENCES:
patent: 5701600 (1997-12-01), Wetters et al.
patent: 6057876 (2000-05-01), Waight
patent: 2003/0224748 (2003-12-01), Gomez et al.

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