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Variable capacitor circuit and method
专利权人:
发明人:
Nick Van Helleputte
申请号:
US13671164
公开号:
US09610044B2
申请日:
2012.11.07
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A variable capacitor circuit is disclosed. The variable capacitor circuit includes a plurality of MOS capacitors, each MOS capacitor being implemented by a MOS transistor with the gate terminal connected to a first voltage signal and with the drain terminal shorted with the source terminal and connected to a second voltage signal, said MOS capacitors being connected in parallel through the gate terminal connected to the first voltage signal, and being operated in a cut-off region in which the equivalent capacitance of each MOS capacitor remains substantially constant for variations of the first voltage signal.
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