Implementation ofSpace-Efficient Voltage-Insensitive Capacitances
Chunyan Wang · 2006
In thispaper,an approachof exampleofdesigning capacitive circuits usingthis implementing voltage-insensitive andspace-efficient approach. capacitances hasbeenproposed. Ittackles capacitive elements related tothethindielectric layers available II.DESCRIPTION infabrication technologies ofintegrated circuits. It makestheuseofthevoltage-independent ones, suchas A. Voltage-insensitive capacitances theoverlap capacitances ofMOS transistors, andthe voltage-dverlape ndenc t capacitances oranstt,achd tothe Capacitances inintegrated circuits areformedbythe voltage-dependency areminimizd ebdevice gome combinations ofsemiconductor and/or metallayers. The sameizinanoltage b inint evce of i the basic capacitive device usedintheproposed approach isa MzOS tansistoge diecic le thecapacitn iseMOS transistor, or a device with a thindielectric layer. S trhesidth e gate .aretheapitrans ist Thecapacitances formedwith this kind ofthin layers are employed. As thewidtheof transstor featrea seisaofisub more space-efficient thantheothers inanintegrated circuit