0
\$\begingroup\$

I am giving a 25MHz signal input to pll for simulation in cadence. But I also want to modulate its frequencies from 1Khz to 2Mhz. But how to do the frequency modulation of a signal in cadence?

\$\endgroup\$

2 Answers 2

1
\$\begingroup\$

I have found that it's good to use VPWL to create piece-wise-linear data, that I just smooth. This is not as nice as using a frequency source, but it does have the advantage of being able to script something using python or matlab, and then feed that into Spectre.

\$\endgroup\$
0
\$\begingroup\$

Try looking for: -

> VSFFM - Frequency Modulated Sinusoidal Voltage Source Model

enter image description here

Link: https://techdocs.altium.com/ru/display/AMSE/VSFFM+-+Frequency+Modulated+Sinusoidal+Voltage+Source+Model

\$\endgroup\$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.