What is the relation between time constant and bandwidth in iq module?

lneuhaus / pyrpl

pyrpl turns your RedPitaya into a powerful DSP device, especially suitable as a lockbox in quantum optics experiments.

http://lneuhaus.github.io/pyrpl/

MIT License

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What is the relation between time constant and bandwidth in iq module? #481

Open Tom-gms opened 1 year ago

Tom-gms commented 1 year ago

Hi,

I have a question about the lowpass filter in iq modules, I want to follow a paper which set the time constant of low-pass filter in his work, does any body know the relation between bandwidth and time constant? Thanks