| 摘要 |
本发明揭露了一种无线讯号接收装置与方法，能够接收至少三种中心频率不同之讯号。所述装置之一实施例包含：一接收电路，用来依据一无线讯号产生一接收讯号，其中该无线讯号包含中心频率不同之第一、第二以及第三无线讯号；一混频电路，用来依据一本地振荡时脉处理该接收讯号以产生一混频讯号，其中该混频讯号包含第一、第二与第三中频讯号，且第三中频讯号之中心频率大于第一与第二中频讯号之中心频率；以及一数位讯号产生电路，用来依据一取样频率分别处理第一、第二与第三中频讯号，以产生第一、第二与第三数位讯号，其中该取样频率小于该第三中频讯号之最高频率的二倍。; a mixer to generate a mixing signal by processing the reception signal according to an oscillation clock in which the mixing signal includes a first, second and third intermediate-frequency (IF) signals and the central frequency of the third IF signal is higher than the others; and a digital signal generating circuit to generate a first, second and third digital signals by processing the first, second and third IF signals according to a sampling frequency in which the sampling frequency is lower than the double of the highest frequency of the third IF signal. |
