Broadcast signal receiver having a low-noise amplifier inserted

Details Broadcast signal receiver having a low-noise amplifier inserted Broadcast signal receiver having a low-noise amplifier inserted

1995-05-01

1997-06-10

Burgess, Glenton B.

Television

Receiver circuitry

Automatic frequency control

455 32, 4552491, 4552452, H04N 544, H04N 546

Patent

active

056381417

ABSTRACT:
A broadcast signal receiver having improved sensitivity includes a tuner for tuning an RF signal input via an antenna to an IF signal of a specific channel, an IF signal processor for processing the IF signal output from the tuner to a video signal. A low noise amplifier is installed in front of the tuner for amplifying the RF signal and outputting the result to the tuner. The low noise amplifier has a noise figure lower than that of the tuner, to thereby enhance the noise figure of the overall system and the sensitivity of the receiver.

REFERENCES:
patent: 3581210 (1971-05-01), Amfahr
patent: 4030035 (1977-06-01), Ienaka et al.
patent: 4553105 (1985-11-01), Sasaki
patent: 5034819 (1991-07-01), Tsukagoshi
patent: 5134707 (1992-07-01), Sakashita et al.
patent: 5276904 (1994-01-01), Mutzig et al.
patent: 5280643 (1994-01-01), Ishii
patent: 5465408 (1995-11-01), Sugayama et al.

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