Stats

  • Locked Locked
  • Replies 1
  • Subscribers 63
  • Views 13466
  • 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

Regd. Transient Analysis : save and restore

rsrk

Hi

  Its regarding the transient analysis that I am struck with and the issue is as follows :

  I am trying to simulate a 60+GHz oscillator, its simulating fine but there is a phase shift of oscillations for each successive simulation, though I am forcing initial conditions on few nodes. I would like to know if its possible to store all nodes voltages at certain point wrt time, when it is perfectly oscillating, and use these voltages as initial condition - all nodes being set with initial conditions - I would like to do transient analysis.

Or is there any other way to overcome this ?

Appreciate your help.

Regards
RSR Krishna

  • You can use the writefinal option on the tran analysis and then use readic to read the same file. However, it's not perfect - it would be better to use the savefile and recover options (these are on the transient options form) - you can choose which times to write out the saved state (see "spectre -h tran" for more details).

    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.