<s>
OrCAD	B-Algorithm
Systems	I-Algorithm
Corporation	I-Algorithm
was	O
a	O
software	O
company	O
that	O
made	O
OrCAD	B-Algorithm
,	O
a	O
proprietary	O
software	O
tool	O
suite	O
used	O
primarily	O
for	O
electronic	O
design	O
automation	O
(	O
EDA	O
)	O
.	O
</s>
<s>
OrCAD	B-Algorithm
was	O
taken	O
over	O
by	O
Cadence	O
Design	O
Systems	O
in	O
1999	O
and	O
was	O
integrated	O
with	O
Cadence	O
Allegro	O
in	O
2005	O
.	O
</s>
<s>
The	O
name	O
OrCAD	B-Algorithm
is	O
a	O
portmanteau	O
,	O
reflecting	O
the	O
company	O
and	O
its	O
software	O
's	O
origins	O
:	O
Oregon	O
+	O
CAD	B-Application
.	O
</s>
<s>
Founded	O
in	O
1985	O
by	O
John	O
Durbetaki	O
,	O
Ken	O
,	O
and	O
Keith	O
Seymour	O
as	O
"	O
OrCAD	B-Algorithm
Systems	I-Algorithm
Corporation	I-Algorithm
"	O
in	O
Hillsboro	O
,	O
Oregon	O
,	O
the	O
company	O
became	O
a	O
supplier	O
of	O
desktop	O
electronic	O
design	O
automation	O
(	O
EDA	O
)	O
software	O
.	O
</s>
<s>
In	O
1984	O
Durbetaki	O
began	O
designing	O
an	O
expansion	O
chassis	O
for	O
the	O
IBM	B-Device
PC	I-Device
.	O
</s>
<s>
Durbetaki	O
began	O
creating	O
his	O
schematic	O
capture	O
tool	O
for	O
his	O
use	O
in	O
the	O
PC	O
expansion	O
chassis	O
project	O
;	O
but	O
eventually	O
shelved	O
the	O
hardware	O
project	O
entirely	O
in	O
favor	O
of	O
developing	O
low-cost	O
,	O
PC-based	O
CAD	B-Application
software	I-Application
.	O
</s>
<s>
The	O
company	O
's	O
first	O
product	O
was	O
SDT	O
(	O
Schematic	O
Design	O
Tools	O
)	O
for	O
DOS	B-Device
,	O
which	O
shipped	O
first	O
in	O
late	O
1985	O
.	O
</s>
<s>
In	O
1986	O
,	O
OrCAD	B-Algorithm
hired	O
Peter	O
LoCascio	O
to	O
develop	O
sales	O
,	O
and	O
co-founder	O
Ken	O
Seymour	O
left	O
the	O
company	O
.	O
</s>
<s>
Over	O
time	O
,	O
OrCAD	B-Algorithm
's	O
product	O
line	O
broadened	O
to	O
include	O
Windows-based	O
software	O
products	O
to	O
assist	O
electronics	O
designers	O
in	O
developing	O
field-programmable	B-Architecture
gate	I-Architecture
arrays	I-Architecture
(	O
FPGAs	B-Architecture
)	O
,	O
including	O
complex	B-General_Concept
programmable	I-General_Concept
logic	I-General_Concept
devices	I-General_Concept
(	O
CPLDs	B-General_Concept
)	O
.	O
</s>
<s>
In	O
June	O
1995	O
,	O
OrCAD	B-Algorithm
acquired	O
Massteck	O
Ltd.	O
,	O
a	O
small	O
company	O
that	O
offered	O
a	O
printed	O
circuit	O
board	O
layout	O
tool	O
and	O
a	O
sophisticated	O
autoroute	O
,	O
and	O
Intelligent	O
Systems	O
Japan	O
,	O
KK	O
,	O
OrCAD	B-Algorithm
's	O
distributor	O
in	O
Japan	O
.	O
</s>
<s>
In	O
1996	O
,	O
OrCAD	B-Algorithm
made	O
a	O
public	O
offering	O
.	O
</s>
<s>
In	O
late	O
1997	O
and	O
early	O
1998	O
,	O
OrCAD	B-Algorithm
and	O
MicroSim	O
Corporation	O
merged	O
,	O
a	O
business	O
combination	O
that	O
ultimately	O
proved	O
to	O
be	O
disappointing	O
.	O
</s>
<s>
OrCAD	B-Algorithm
Layout	O
has	O
been	O
replaced	O
by	O
PCB	O
Designer	O
,	O
sometimes	O
called	O
Allegro	O
PCB	O
Designer	O
.	O
</s>
<s>
The	O
latest	O
iteration	O
of	O
OrCAD	B-Algorithm
CIS	O
schematic	O
capture	O
software	O
has	O
the	O
ability	O
to	O
maintain	O
a	O
database	O
of	O
available	O
integrated	O
circuits	O
.	O
</s>
<s>
Another	O
announcement	O
was	O
that	O
ST	O
Microelectronics	O
will	O
offer	O
OrCAD	B-Algorithm
PSpice	O
models	O
for	O
all	O
the	O
power	O
and	O
logic	O
semiconductors	O
.	O
</s>
<s>
Intel	O
offers	O
reference	O
PCBs	O
designed	O
with	O
Cadence	O
PCB	O
Tools	O
in	O
the	O
OrCAD	B-Algorithm
Capture	O
format	O
for	O
embedded	O
and	O
personal	O
computers	O
.	O
</s>
<s>
OrCAD	B-Algorithm
is	O
a	O
suite	O
of	O
products	O
for	O
PCB	O
Design	O
and	O
analysis	O
that	O
includes	O
a	O
schematic	O
editor	O
(	O
Capture	O
)	O
,	O
an	O
analog/mixed	O
-signal	O
circuit	B-Language
simulator	I-Language
(	O
PSpice	O
)	O
,	O
and	O
a	O
PCB	O
board	O
layout	O
solution	O
(	O
PCB	O
Designer	O
Professional	O
)	O
.	O
</s>
<s>
OrCAD	B-Algorithm
Capture	O
is	O
a	O
schematic	O
capture	O
application	O
and	O
part	O
of	O
the	O
OrCAD	B-Algorithm
circuit	O
design	O
suite	O
.	O
</s>
<s>
Unlike	O
NI	B-Algorithm
Multisim	I-Algorithm
,	O
Capture	O
does	O
not	O
contain	O
in-built	O
simulation	O
features	O
,	O
but	O
exports	O
netlist	O
data	O
to	O
the	O
simulator	O
,	O
OrCAD	B-Algorithm
EE	O
.	O
</s>
<s>
Capture	O
can	O
also	O
export	O
a	O
hardware	O
description	O
of	O
the	O
circuit	O
schematic	O
to	O
Verilog	B-Language
or	O
VHDL	B-Language
,	O
and	O
netlists	O
to	O
circuit	O
board	O
designers	O
such	O
as	O
OrCAD	B-Algorithm
Layout	O
,	O
Allegro	O
,	O
and	O
others	O
.	O
</s>
<s>
Capture	O
includes	O
a	O
Tcl/Tk	B-Application
scripting	O
functionality	O
that	O
allows	O
users	O
to	O
write	O
scripts	O
,	O
that	O
allow	O
customization	O
and	O
automation	O
.	O
</s>
<s>
The	O
OrCAD	B-Algorithm
Capture	O
Marketplace	O
enables	O
customers	O
to	O
share	O
and	O
sell	O
add-ons	O
and	O
design	O
resources	O
.	O
</s>
<s>
Capture	O
can	O
interface	O
with	O
any	O
database	O
which	O
complies	O
with	O
Microsoft	O
's	O
ODBC	B-Application
standard	O
etc	O
.	O
</s>
<s>
Data	O
in	O
an	O
MRP	O
,	O
ERP	O
,	O
or	O
PDM	B-Application
system	O
can	O
be	O
directly	O
accessed	O
for	O
use	O
during	O
the	O
component	O
decision-making	O
process	O
.	O
</s>
<s>
OrCAD	B-Algorithm
EE	O
PSpice	O
is	O
a	O
SPICE	B-Protocol
circuit	B-Language
simulator	I-Language
application	O
for	O
the	O
simulation	O
and	O
verification	O
of	O
analog	O
and	O
mixed-signal	O
circuits	O
.	O
</s>
<s>
OrCAD	B-Algorithm
EE	O
typically	O
runs	O
simulations	O
for	O
circuits	O
defined	O
in	O
OrCAD	B-Algorithm
Capture	O
,	O
and	O
can	O
optionally	O
integrate	O
with	O
MATLAB/Simulink	O
,	O
using	O
the	O
Simulink	B-Application
to	O
PSpice	O
Interface	O
(	O
SLPS	O
)	O
.	O
</s>
<s>
OrCAD	B-Algorithm
Capture	O
and	O
PSpice	O
Designer	O
together	O
provide	O
a	O
complete	O
circuit	B-Language
simulation	I-Language
and	O
verification	O
solution	O
with	O
schematic	O
entry	O
,	O
native	O
analog	O
,	O
mixed-signal	O
,	O
and	O
analysis	O
engines	O
.	O
</s>
<s>
PSpice	O
was	O
a	O
modified	O
version	O
of	O
the	O
academically	O
developed	O
SPICE	B-Protocol
and	O
was	O
commercialized	O
by	O
MicroSim	O
in	O
1984	O
.	O
</s>
<s>
MicroSim	O
was	O
purchased	O
by	O
OrCAD	B-Algorithm
a	O
decade	O
later	O
in	O
1998	O
.	O
</s>
<s>
OrCAD	B-Algorithm
PSpice	O
Designer	O
is	O
available	O
in	O
two	O
options	O
:	O
PSpice	O
Designer	O
and	O
PSpice	O
Designer	O
Plus	O
.	O
</s>
<s>
OrCAD	B-Algorithm
PSpice	O
Designer	O
includes	O
OrCAD	B-Algorithm
Capture	O
and	O
OrCAD	B-Algorithm
PSpice	O
solution	O
.	O
</s>
<s>
The	O
OrCAD	B-Algorithm
PSpice	O
Simulink	B-Application
-	O
PSpice	O
Integration(SLPS )	O
provides	O
co-simulation	O
and	O
helps	O
verify	O
system-level	O
behavior	O
.	O
</s>
<s>
PSpice	O
creates	O
an	O
output	O
file	O
to	O
store	O
the	O
simulation	O
results	O
,	O
and	O
such	O
results	O
are	O
also	O
graphically	O
displayed	O
within	O
the	O
OrCAD	B-Algorithm
EE	O
interface	O
.	O
</s>
<s>
OrCAD	B-Algorithm
EE	O
is	O
an	O
upgraded	O
version	O
of	O
the	O
PSpice	O
simulator	O
,	O
and	O
includes	O
automatic	O
circuit	O
optimization	O
and	O
support	O
for	O
waveform	O
recording	O
,	O
viewing	O
,	O
analysis	O
,	O
curve-fitting	O
,	O
and	O
post-processing	O
.	O
</s>
<s>
OrCAD	B-Algorithm
EE	O
contains	O
an	O
extensive	O
library	O
of	O
models	O
for	O
physical	O
components	O
,	O
including	O
around	O
33,000	O
analog	O
and	O
mixed-signal	O
devices	O
and	O
mathematical	O
functions	O
.	O
</s>
<s>
OrCAD	B-Algorithm
EE	O
also	O
includes	O
a	O
model	O
editor	O
,	O
support	O
for	O
parameterized	O
models	O
,	O
auto-convergence	O
and	O
checkpoint	O
restart	O
,	O
several	O
internal	O
solvers	B-Application
,	O
and	O
a	O
magnetic	O
part	O
editor	O
.	O
</s>
<s>
SPICE	B-Protocol
was	O
first	O
developed	O
at	O
the	O
University	O
of	O
California	O
,	O
Berkeley	O
,	O
in	O
the	O
early	O
1970s	O
.	O
</s>
<s>
Subsequently	O
,	O
an	O
improved	O
version	O
of	O
SPICE	B-Protocol
2	O
was	O
available	O
in	O
the	O
mid-1970s	O
especially	O
to	O
support	O
computer-aided	B-Application
design	I-Application
.	O
</s>
<s>
PSpice	O
was	O
released	O
in	O
January	O
1984	O
and	O
was	O
the	O
first	O
version	O
of	O
UC	O
Berkeley	O
SPICE	B-Protocol
available	O
on	O
an	O
IBM	B-Device
Personal	I-Device
Computer	I-Device
.	O
</s>
<s>
Subsequent	O
versions	O
improved	O
on	O
performance	O
and	O
moved	O
to	O
DEC/VAX	B-Device
minicomputers	I-Device
,	O
Sun	O
workstations	O
,	O
Apple	O
Macintosh	O
,	O
and	O
Microsoft	O
Windows	O
.	O
</s>
<s>
is	O
a	O
PSpice	O
User	O
Community	O
,	O
an	O
open	O
platform	O
dedicated	O
to	O
PSpice	O
Spice	B-Protocol
circuit	B-Language
simulation	I-Language
discussions	O
.	O
</s>
<s>
It	O
is	O
a	O
web	O
portal	O
with	O
access	O
to	O
resources	O
for	O
all	O
things	O
related	O
to	O
the	O
PSpice	O
circuit	B-Language
simulator	I-Language
.	O
</s>
<s>
OrCAD	B-Algorithm
PCB	O
Designer	O
is	O
a	O
printed	O
circuit	O
board	O
designer	O
application	O
,	O
and	O
part	O
of	O
the	O
OrCAD	B-Algorithm
circuit	O
design	O
suite	O
.	O
</s>
<s>
PCB	O
Designer	O
integrates	O
with	O
OrCAD	B-Algorithm
Capture	O
,	O
using	O
the	O
component	O
information	O
system	O
(	O
CIS	O
)	O
to	O
store	O
information	O
about	O
a	O
certain	O
circuit	O
symbol	O
and	O
its	O
matching	O
PCB	O
footprint	O
.	O
</s>
