发明名称 |
Varactor based differential VCO with switchable frequency bands |
摘要 |
<p>Method and circuitry for implementing VCOs with improved frequency band switching use differentially-coupled varactors to implement the different frequency bands. According to a specific embodiment, one side of a varactor couples to the tank circuit and the other side is coupled either to ground or to the positive power supply VDD without introducing any series parasitic resistance. <IMAGE></p> |
申请公布号 |
EP1261126(A2) |
申请公布日期 |
2002.11.27 |
申请号 |
EP20020252977 |
申请日期 |
2002.04.26 |
申请人 |
BROADCOM CORPORATION |
发明人 |
MOMTAT, AFSHIN D.;HAIRAPETIAN, ARMOND |
分类号 |
H03J5/24;H03L7/099;(IPC1-7):H03J5/24;H03B5/12 |
主分类号 |
H03J5/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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