发明名称 |
Voltage controlled ring oscillator and charge pump circuit |
摘要 |
A voltage controlled ring oscillator has a current control circuit and an odd number of inverter circuits. Each inverter circuit has a current charge preventing circuit connected between a ground voltage and a connection node located between a current source transistor and a complementary transistor circuit and a current discharge preventing circuit connected between a high voltage power source and a connection node located between a current source transistor and a complementary transistor circuit.
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申请公布号 |
US6054904(A) |
申请公布日期 |
2000.04.25 |
申请号 |
US19980154753 |
申请日期 |
1998.09.17 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA;MITSUBISHI ELECTRIC ENGINEERING COMPANY LIMITED |
发明人 |
KATOH, HISAO;NAKAI, TAKEYASU |
分类号 |
H03K3/03;H03K3/354;H03L7/089;H03L7/093;H03L7/099;(IPC1-7):H03B5/02;H03L7/085 |
主分类号 |
H03K3/03 |
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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