| 发明名称 | Fractional-N synthesizer | ||
| 摘要 | One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit. The frequency-dividing circuit includes a number of frequency dividers, and is configured to generate a number of frequency-dividing outputs. At least one frequency-dividing output has a different frequency division factor. The multiplexer is configured to select a frequency-dividing output. | ||
| 申请公布号 | US8971825(B2) | 申请公布日期 | 2015.03.03 |
| 申请号 | US201414304761 | 申请日期 | 2014.06.13 |
| 申请人 | Aviacomm Inc. | 发明人 | Mo Shih Hsiung;Cui Yan;Chang Chung-Hsing |
| 分类号 | H04B1/40;H03K5/00;H03B19/00 | 主分类号 | H04B1/40 |
| 代理机构 | Park, Vaughan, Fleming & Dowler LLP | 代理人 | Yao Shun;Park, Vaughan, Fleming & Dowler LLP |
| 主权项 | 1. A synthesizer, comprising: one or more tunable oscillators; a frequency-dividing circuit coupled to the tunable oscillators, wherein the frequency-dividing circuit includes a number of frequency dividers, wherein the frequency-dividing circuit is configured to generate a plurality of frequency-dividing outputs, wherein at least two frequency-dividing outputs have different frequency division factors; and a multiplexer coupled to the frequency-dividing circuit, wherein the multiplexer is configured to select a frequency-dividing output, wherein the frequency-dividing outputs of the frequency-dividing circuit have frequencies ranging from 187.5 MHz all the way up to 3 GHz. | ||
| 地址 | Sunnyvale CA US | ||