open-source-silicon.dev

<https://github.com/IHP-GmbH/IHP-Open-PDK/pull/338|#338 Res r3 model issue #318>
Pull request opened by <https://github.com/dwarning|dwarning>
This PR fixes <https://github.com/IHP-GmbH/IHP-Open-PDK/issues/318|#318> and by using the r3_cmc Verilog-A model is now compatible with the model used in the commercial pdk.  
Attached document show very few simulation examples also for noise simulation amongst others:

<https://github.com/user-attachments/files/18488277/sg13_res_r3_model.pdf|sg13_res_r3_model.pdf>

Because of using a Verilog-A model reorganization of directory structure was needed and adms or openvaf is needed respectively used simulator.
<https://github.com/IHP-GmbH/IHP-Open-PDK|IHP-GmbH/IHP-Open-PDK>

<https://github.com/IHP-GmbH/IHP-Open-PDK/pull/338|#338 Res r3 model issue #318>
Pull request merged by <https://github.com/sergeiandreyev|sergeiandreyev>
<https://github.com/IHP-GmbH/IHP-Open-PDK|IHP-GmbH/IHP-Open-PDK>

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