[Libre-soc-bugs] [Bug 888] ls180 PLL port to sky130 needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=888

--- Comment #3 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Dimitri Galayko from comment #2)
> I have succeeded to port the generator written for the PLL in 180nm TSMC
> technology to skywriter 130 technology. The new generator is based on the
> ngspice tool and python libraries, which makes it fully "open source". 

that's fantastic, a big deal.

> The generator based on Jupiter notebooks provides a working PLL ngspice
> netlist defined as a sub circuit, which is ready to be tested under
> different conditions (Vdd, input reference frequency, etc.). 

interesting approach, using jupiter.

> The developed design methodology is described in the attached documents. 

hm, some attachment types are limited, can you email them to me, i will
put them online rather than in the bugtracker PostgreSQL database

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