| * Inductor value test | |
| .param TEMP=27 | |
| * Include SkyWater sky130 device models | |
| INCLUDELINES | |
| .param lofreq = 1Meg | |
| .csparam lofreq = {lofreq} | |
| .param hifreq = 10G | |
| .csparam hifreq = {hifreq} | |
| V1 N2 0 1.8 | |
| IAC N2 N3 dc 0 ac 1 | |
| * L-C tank with ideal capacitor | |
| X1 N3 N4 mid 0 DEVICENAME | |
| C34 N3 N4 1.0E-10 | |
| R1 N4 0 100 | |
| .ac dec 100 {lofreq} {hifreq} | |
| .control | |
| run | |
| echo inductance | |
| let resp=mag(v(N4,N3)) | |
| meas ac ymax max_at resp | |
| * Note: 39.478 is (2*pi)^2 | |
| let l=1/(1.0E-10*39.478*ymax*ymax) | |
| print l | |
| quit | |
| .endc | |
| .end |