Title: Wireless receiving device without pll frequency synthesizer and wireless receiving method using the same
Application Number: 200610135764 Application Date: 2006.10.19
Publication Number: 1953338 Publication Date: 2007.04.25
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04B1/06;H03M1/12
Applicant(s) Name: Samsung Electronics Co., Ltd. Address:
Inventor(s) Name: Lee Jeong Ho;Park Joong Suk
Attorney & Agent: guohong xi liyun xia
Abstract:
    A receiver implemented without using a phase locked loop frequency synthesizer and a receiving method of a receiver implemented without using a phase locked loop frequency synthesizer are provided. The receiver includes a radio frequency (RF) receiving unit; a band-selecting unit; an RF amplifier; a low oscillation (LO) signal generator; a mixer; an IF amplifier; an analog to digital (A/D) converter; and a channel-selecting unit. The method includes passing a frequency band of a radio frequency (RF) signal received by an RF receiving unit; amplifying the passed RF signal; generating a low oscillation (LO) signal having a fixed frequency; mixing the LO signal with the amplified RF signal to lower the frequency of the amplified RF signal; outputting an intermediate frequency (IF) signal; amplifying the IF signal; converting the amplified IF signal into a digital signal; and selectively passing frequencies of the digital signal corresponding to a specific channel.
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