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#analog-design
Title
# analog-design
a
Ahmad Almonaier
02/16/2022, 9:19 AMAnother issue, when I run a design involved a pnp transistor, i obtain the following error in the ngspice window: "unknown subckt:xq1 net1 e1 sky130_fd_pr__pnp_05v5 w3p40l3p40
m
manili
02/16/2022, 9:20 AMDid you import/include the sky130 spice library?
a
Ahmad Almonaier
02/16/2022, 9:23 AMyes
m
manili
02/16/2022, 9:25 AMIs it possible to share the netlist?
a
Ahmad Almonaier
02/16/2022, 9:48 AMwhich one?
@User @User
** sch_path: /home/ahmad/open_pdks/sky130/sky130A/libs.tech/xschem/sky130_tests/test_bipolar.sch
**.subckt test_bipolar
XQ1 net2 net1 E1 sky130_fd_pr__pnp_05v5_W3p40L3p40
Vc1 net2 0 0
.save i(vc1)
Vb1 net1 0 0
.save i(vb1)
I0 0 net3 0
Ve1 net3 E1 0
.save i(ve1)
** begin user architecture code
.control
save all
dc i0 5n 5u 0.05u
* tran 1n 2u
plot vc1#branch / vb1#branch
plot e1
.endc
** opencircuitdesign pdks install
.lib /home/ahmad/OpenLane/pdks/skywater-pdk/libraries/sky130_fd_pr/latest/models/sky130.lib.spice tt
*.lib /home/ahmad/open_pdks/sky130/sky130A/libs.tech/ngspice/sky130.lib.spice tt
*.lib /home/ahmad/open_pdks/sky130/sky130A/libs.tech/ngspice/sky130_fd_pr__model__pnp.model.spice
* ngspice initialization for sky130
* assert BSIM compatibility mode with nf vs. W
set ngbehavior=hsa
* nomodcheck speeds up loading time
set ng_nomodcheck
** end user architecture code
**.ends
.end
m
manili
02/23/2022, 9:41 AMI have no idea about this. I think @User can help you much more.
s
Stefan Schippers
02/23/2022, 9:07 PMI have run this test right now and it works. You need to use open_pdks install, not the skywater-pdk root. Try to use the commented .lib statement:
.lib /home/ahmad/open_pdks/sky130/sky130A/libs.tech/ngspice/sky130.lib.spice ttj
Juan Andres
12/26/2022, 1:00 AM@Stefan Schippers I have the same error, and so change the route does not work
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