Title:
LOW-POWER ASK DEMODULATOR
Document Type and Number:
WIPO Patent Application WO/2011/136415
Kind Code:
A1
Abstract:
The present invention relates to a low-power, highly integrated ASK demodulator. The ASK demodulator according to one embodiment of the present invention comprises: a half wave rectifier for half-wave rectifying a received signal; an envelope sensor for detecting from the half-wave rectified signal an envelope having at least a preset size; a signal stabilizer for allowing the enveloped detected signal to be output stably regardless of the elapsed time; and a buffer for correcting the enveloped detected signal to get closer to a digital signal. The ASK demodulator of the present invention consumes less power than conventional FSK or PSK demodulators, and has a higher integration level than demodulators that typically include a resistor element or a capacitor, thereby making it suitable for communication equipment in a mobile environment.
Inventors:
CHOI YONG-SEOK (KR)
JIN SUNG-EUN (KR)
RYU JOONG-HEE (KR)
YI SIONG-HUN (KR)
JIN SUNG-EUN (KR)
RYU JOONG-HEE (KR)
YI SIONG-HUN (KR)
Application Number:
PCT/KR2010/002748
Publication Date:
November 03, 2011
Filing Date:
April 30, 2010
Export Citation:
Assignee:
ESSETEL CO LTD (KR)
CHOI YONG-SEOK (KR)
JIN SUNG-EUN (KR)
RYU JOONG-HEE (KR)
YI SIONG-HUN (KR)
CHOI YONG-SEOK (KR)
JIN SUNG-EUN (KR)
RYU JOONG-HEE (KR)
YI SIONG-HUN (KR)
International Classes:
H03D1/14
Foreign References:
| KR20010050578A | 2001-06-15 | |||
| KR920017521A | 1992-09-26 | |||
| KR20010083951A | 2001-09-03 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
유미특허법인 (KR)
유미특허법인 (KR)
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Claims: