Switched Capacitor Integrator. The avail ability of simple switches and high impedance nodes in cmos afforded more efficient sampling and holding of signals than in bipolar technolo gies. The switched capacitor integra tor was a versatile function developed in that era as a building block for filters but it later found usage in such systems.
Switched Capacitor Integrator Schematic Download Scientific Diagram from www.researchgate.net
I ve been trying to make a discrete time integrator same as what s given in razavi book chapter 12 switched capacitor. Which is a function of the integrator capacitor ratio and clock frequency only. æcp1 ærearrange circuit so that cp1 does not charge discharge φ1 1 æcp1 grounded φ2 1 æcp1 at virtual ground solution.
Switched capacitor resistor equivalent for equivalent resistor circuit 4 equating two we have 5 this equivalence is useful when looking at low freq portion of a sc circuit.
Bottom plate switched capacitor integrator sensitive parasitic cap. The avail ability of simple switches and high impedance nodes in cmos afforded more efficient sampling and holding of signals than in bipolar technolo gies. I ve been trying to make a discrete time integrator same as what s given in razavi book chapter 12 switched capacitor. 12 1 general considerations in order to understand the motivation for sampled data circuits let us first consider the simple continuous time amplifier shown in fig.
