diff --git a/modules/module_0_foundations/foundations.md b/modules/module_0_foundations/foundations.md index 68102516..c25422a8 100644 --- a/modules/module_0_foundations/foundations.md +++ b/modules/module_0_foundations/foundations.md @@ -91,19 +91,31 @@ To verify the design created using the lookup tables, start by identifying key p ``` touch gmid_test.sch - ``` From here you launch this schematic by typing ``` xschem gmid_test.sch - ``` the first thing we want to do is the instanciate our mosfets. In this example we make a current mirror for biasing our output transistor to the right operation. Therefore we will need to instanciate two MOSFETS. This is done by navigating to the insert symbol botton, with a nandgate as its icon. Or you can press shift+i. Here you want to click the IHP open pdk path, and click on "sg13g2_pr". Here you should select the "sg13_lv_nmos.sym", and press OK. Now you will place it and duplicate it by pressing it and clicking "c". Now you can press shift+f while toggeling the instance for flipping it and place it in a gate to gate configuration as shown in the image: +

+select each instance and press Q to change the widht and the length to the parameters found in the gmid script. + + +Now you should conncect the bulk of the devices to the sources with a wire, by pressing "w" and dragging the wire to its location. After this navigate to the symbol library, again by pressing and instanciate the following items: + +- xschem_library/devices -> search: gnd -> gnd.sym +- xschem_library/devices -> search: res -> res.sym +- xschem_library/devices -> search: cap -> capa-2.sym +- xschem_library/devices -> search: isource -> isource.sym +- xschem_library/devices -> search: vsource -> vsource.sym (duplicate this item) + +From here you should connect the individual components so you have the same setup as seen in the following image: +