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Simulators >> RF Simulators >> Noise analysis of switced-capacitor cirsuits
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Message started by Dog16 on Jul 3^rd, 2012, 1:39am

Title: Noise analysis of switced-capacitor cirsuits
Post by Dog16 on Jul 3^rd, 2012, 1:39am

Hello.
I want to do noise analysis of switched-capacitor circuits. I know SpectreRF can do, but I cannot use SpectreRF since we don't have the license.
Can HspiceRF do this simulation? If it can, please tell me how to simulate.

Title: Re: Noise analysis of switced-capacitor cirsuits
Post by RFICDUDE on Jul 3^rd, 2012, 6:02pm

I don't use HSPICE, but the Synopsys website says that HSPICE supports transient noise analysis. I would think you can simulate noise performance of a switch cap circuit using transient noise.

If the circuit is continuous time switch cap then I think the simulation is relatively straight forward. If you have discrete time outputs, then you have to be careful that you look at a sampled output.

There is a good tutorial article on sampled noise analysis and simulation in the latest IEEE Solid-State Circuits Magazine.