Designer’s Guide Community

Pages: 1

how can i simulate pll's phase noise with HSPICE (Read 3348 times)

jeffyan Community Member Offline Posts: 47	how can i simulate pll's phase noise with HSPICE Mar 18^th, 2004, 7:01am how can i simulate pll's phase noise with HSPICE? thanks in advance jeff
Back to top	IP Logged

August West

Community Member

Offline

I'll get up and fly
away

Posts: 71

Re: how can i simulate pll's phase noise with HSPI
Reply #1 - Mar 18^th, 2004, 9:09pm

There are two cases to consider. If the phase noise is deterministic (due to deterministic noise on the supply, dead-band jitter, etc.) you just run a very long transient and post-process the waveforms to extract the zero crossings. If the phase noise is due to non-deterministic sources, such as thermal or flicker noise sources, you'll need to turn in your HSpice license for a SpectreRF license. And frankly, you'll be happy you did. SpectreRF is very cool.

-August

IP Logged

Spice_Oracle New Member Offline Posts: 3	Re: how can i simulate pll's phase noise with HSPI Reply #2 - May 20^th, 2004, 3:42pm There is a new extension to HSPICE called HSPICE RF that includes oscillator steady state analysis and phase noise analysis. If you are a HSPICE user, this might be the best solution since it allows you to use your existing HSPICE netlist and model libraries.
Back to top	IP Logged

Pages: 1

‹ Previous topic | Next topic ›