Multi-tuner system, single package dual tuning system and receiver and digital television using the same
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorChang Kap Nam
Life of this patent
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Abstract
A multi-tuner system includes a first conversion tuner that converts a first RF signal among a plurality of RF signals received from an antenna into a first IF signal using a first conversion mode, the first RF signal corresponding to a first selected channel; and a second conversion tuner that converts a second RF signal among the RF signals into a second IF signal using a second conversion mode, the second RF signal corresponding to a second selected channel. Any IF interference between the tuners is eliminated, and the tuners can be fabricated into a single module.
Claims18
A single package multi-tuner system, comprising a single module comprising therein:
- a first conversion tuner configured to convert a first Radio Frequency (RF) signal among a plurality of RF signals received from an antenna into a first Intermediate Frequency (IF) signal using a first conversion mode, the first RF signal corresponding to a first selected channel;
- and
- a second conversion tuner configured to convert a second RF signal among the RF signals received from the antenna into a second IF signal using a second conversion mode, the second RF signal corresponding to a second selected channel;
- wherein the first conversion tuner includes a ground part physically and electrically separated from a ground part of the second conversion tuner, the separated ground parts configured to prevent interference between the first and second tuners.
A multi-tuner system, comprising:
- a first conversion tuner configured to convert a first Radio Frequency (RF) signal among a plurality of RF signals received from an antenna into a first Intermediate Frequency (IF) signal using a first conversion mode, the first RF signal corresponding to a first selected channel;
- and
- a second conversion tuner configured to convert a second RF signal among the RF signals received from the antenna into a second IF signal using a second conversion mode, the second RF signal corresponding to a second selected channel;
- wherein an IF frequency or frequencies of the first conversion tuner is/are different from an IF frequency or frequencies of the second conversion tuner so as to avoid IF interference between the first and second conversion tuners;
- wherein the first conversion tuner includes a ground part physically and electrically separated from a ground part of the second conversion tuner, the physically and electrically separated ground parts configured to prevent interference between the first and second tuners.
Dependencies are inferred from the claim text.