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capacitor [2012/06/30 19:32] – mcmaster | capacitor [2013/10/20 14:59] (current) – external edit 127.0.0.1 |
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Capacitors are essentially very large gates. Say for example that one wants a capacitor to ground. In a metal gate CMOS process this can be done by simply creating a well and putting a large M1 over the well. For example, if one wants a capacitor to ground, you could create a large P well and then put metal on top. The P well is connected to ground and M1 to the desired connection. Example metal gate CMOS capacitor: | Capacitors are essentially very large gates. Say for example that one wants a capacitor to ground. In a metal gate CMOS process this can be done by simply creating a well and putting a large M1 over the well. For example, if one wants a capacitor to ground, you could create a large P well and then put metal on top. The P well is connected to ground and M1 to the desired connection. Example metal gate CMOS capacitor (ST 24C02): |
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{{:mcmaster:capacitor:metal_gate_st_24c02_hf2.jpg?300|}} | {{:mcmaster:capacitor:metal_gate_st_24c02_hf2.jpg?300|}} |