Stats

  • Locked Locked
  • Replies 1
  • Subscribers 63
  • Views 13357
  • Members are here 0
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Transient noise analysis of mixer based circuit

RFQuery

 Dear all,

can anybody tell is it possible to do transient noise analysis of mixer based circuit. If yes how we can do it for the mixer based circuit ?

How it can be compared with Pnoise analysis. Which one is better ?

 

Kind Regards

  • Yes, it's possible. You can use transient noise for anything. However, it won't be anywhere as efficient as pnoise. The benefit of transient noise would be that you can see large signal noise effects (which are not normally a problem for mixers), but the downside is that you'd need a long simulation with short timesteps to capture all the noise information. pnoise just requires you to do a PSS on a single cycle of the mixer LO, and then an efficient small-signal noise simulation after that - akin to how you would use noise around the DC operating point of an amplifier rather than using transient noise for that.

    Transient noise is a bit of a sledgehammer to crack a nut in this case.

    Regards,

    Andrew.

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.