Hallo

I took =
a=20
gated_d_latch.sch

and =
put it into a=20
Demo_D_latch.sch

and wanted to=20
simulate it via Transientsimulation . (@ Qucs V0.0.14)

With =
the above *.sch=20
- files I get an:

ERROR: TR1: initial DC analysis = failed

evaluation exception=20 stack

002: no convergence in initial DC analysis after 150=20 iterations

Why =
does the DC=20
simulation DISMISS ?

--> =
Q and QB have=20
default values in the gated_d_latch.sch !

If I =
define it in=20
both SCHEMAS:

line =
11: checker=20
error, the node `QB' is not uniquely defined by `NodeSet:NS0'

line = 12:=20 checker error, the node `Q' is not uniquely defined by=20 `NodeSet:NS1'

line = 12:=20 checker error, the node `Q' is not uniquely defined by=20 `NodeSet:NS1'

... I =
get the=20
information that's not uniquely set.

--> =
OK --> put=20
it in Demo... only.

I get =
the same=20
message like above.

ERROR: =
TR1: initial=20
DC analysis failed

evaluation exception stack

002: no = convergence=20 in initial DC analysis after 150 iterations

evaluation exception stack

002: no = convergence=20 in initial DC analysis after 150 iterations

Maybe =
you may help=20
me.

best =
regards=20

Rainer =
Schwarzinger

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