Invention Grant
US08525932B2 Analog TV signal receiving circuit for reducing signal distortion using equalizer configuring method
有权
模拟电视信号接收电路,使用均衡器配置方式减少信号失真
- Patent Title: Analog TV signal receiving circuit for reducing signal distortion using equalizer configuring method
- Patent Title (中): 模拟电视信号接收电路,使用均衡器配置方式减少信号失真
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Application No.: US13216356Application Date: 2011-08-24
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Publication No.: US08525932B2Publication Date: 2013-09-03
- Inventor: Ching Fu Lan , Wen Chieh Yang , Yi Hsuan Lai , Hsin Chuan Kuo , You Tsai Cheng , Chin Fu Ho , Jen Hsing Wang , Tai Lai Tung
- Applicant: Ching Fu Lan , Wen Chieh Yang , Yi Hsuan Lai , Hsin Chuan Kuo , You Tsai Cheng , Chin Fu Ho , Jen Hsing Wang , Tai Lai Tung
- Applicant Address: TW Hsinchu Hsien
- Assignee: MStar Semiconductor, Inc.
- Current Assignee: MStar Semiconductor, Inc.
- Current Assignee Address: TW Hsinchu Hsien
- Agency: WPAT, PC
- Agent Justin King
- Priority: TW100105196A 20110217
- Main IPC: H04N5/00
- IPC: H04N5/00

Abstract:
An analog television (TV) signal receiving circuit and method and an associated equalizer coefficient configuration apparatus and method are disclosed for correcting a distortion problem occurred in a reception process of an analog TV signal by configuring an equalizer in the analog TV signal receiving circuit. The analog TV signal receiving TV includes a tuner, an analog-to-digital converter (ADC), and a demodulator. The tuner receives an analog radio-frequency (RF) TV signal to generate an analog frequency down conversion signal. The ADC generates a digital frequency down conversion signal according to the analog frequency down conversion signal. The demodulator includes a front-end circuit for generating a digital demodulated signal according to the digital frequency down conversion signal, and an equalizer for generating a digital receiving signal according to the digital demodulated signal. The equalizer includes a plurality of correction coefficients that are generated according to a predetermined rule.
Public/Granted literature
- US20120212674A1 Analog TV Signal Receiving Circuit For Reducing Signal Distortion Using Equalizer Configuring Method Public/Granted day:2012-08-23
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