发明授权
- 专利标题： Cross coupled differential oscillator
- 专利标题（中）： 交叉耦合差分振荡器
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申请号： US815701申请日： 1997-03-12
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公开(公告)号： US5896069A公开(公告)日： 1999-04-20
- 发明人: Bertrand J. Williams , Eric N. Mann
- 申请人： Bertrand J. Williams , Eric N. Mann
- 申请人地址： CA San Jose
- 专利权人： Cypress Semiconductor Corp.
- 当前专利权人： Cypress Semiconductor Corp.
- 当前专利权人地址： CA San Jose
- 主分类号： H03K3/0231
- IPC分类号： H03K3/0231 ; H03B5/02 ; H03K3/354
摘要：
A multi-stage apparatus used as a voltage controlled oscillator. Each stage includes a first complementary differential current switch and a second complementary differential current switch with a second set of complementary differential current switches having a first complementary differential current switch and a second complementary differential current switch, the two sets of complementary differential current switches are connected in a push pull arrangement. In this arrangement, the outputs of the first complementary differential current switch of the first set of complementary differential current switches and the first complementary differential current switch of the second set of complementary differential current switches are connected with the input of the second complementary differential current switch of the first set of complementary differential current switches. The outputs of the second complementary differential current switch of the first set of complementary differential current switches and the second complementary differential current switch of the second set of complementary differential current switches are connected with the input of the first complementary differential current switch of the second set of complementary differential current switches. A controlled complementary voltage clamp is connected to the output nodes of the first set of complementary differential current switches and a controlled complementary voltage clamp is connected to the output nodes of the second set of complementary differential current switches.
公开/授权文献
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