In fREEDA Each element is
represented by its own model (and code and documentation). This contrasts with SPICE which uses a
combination of the first letter of the element name, the type of the model
(specified in the .MODEL statement) and the LEVEL parameter to identify an
element. The translation is done in the parser.
TRANSISTORS
BJT JFET MESFET
MOSFET TFT I V
BJT Bipolar
Junction Transistor
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
Q |
NPN |
|
bjtnpn |
|
Q |
PNP |
|
bjtnpn |
|
I Current Source
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
I |
DC |
|
Isource |
|
I |
AC |
|
Isource |
|
I |
PULSE |
|
IPulse |
|
I |
EXP |
|
Iexp |
|
I |
SFFM |
|
ISffm |
|
JFET Junction
Field Effect Transistor
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
J |
NJF |
|
jfetn |
|
J |
JFETN |
|
jfetn |
|
J |
PJF |
|
jfetp |
|
J |
JFETP |
|
jfetp |
|
MESFET Metal
Epitaxy Semiconductor Field Effect Transistor
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
Z |
NMF |
1 |
tmesfetc |
Curtice MESFET model |
Z |
MESFETC |
1 |
tmesfetc |
Curtice MESFET model |
Z |
NMF |
2 |
tmesfetm |
Materka MESFET model |
Z |
MESFETM |
2 |
tmesfetm |
Materka MESFET model |
Z |
NMF |
3 |
tmesfetc |
electro thermal Curtice MESFET model |
Z |
TMESFETC |
3 |
mesfetct |
electro thermal Curtice MESFET model |
MOSFET Metal Epitaxy Semiconductor Field Effect Transistor
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
M |
NMOS |
1 |
mosn1 |
MOS1 model |
M |
PMOS |
1 |
mosp2 |
MOS1 model |
M |
NMOS |
2 |
mosn2 |
MOS2 model |
M |
PMOS |
2 |
mosp2 |
MOS2 model |
M |
NMOS |
3 |
mosn3 |
MOS3 model |
M |
PMOS |
3 |
mosp3 |
MOS3 model |
M |
NMOS |
8 |
mosnbsim3 |
BSIM 3 model, check documentation for discrepancy |
M |
PMOS |
8 |
mospbsim3 |
BSIM 3 model, check documentation for discrepancy |
M |
NMOS |
9 |
mosn9 |
Phillips MOS9 |
M |
PMOS |
9 |
mosp9 |
Phillips MOS9 |
M |
NMOS |
14 |
mosnbsim4 |
BSIM 4 model, check documentation for discrepancy |
M |
PMOS |
14 |
<none> |
|
V Voltage Source
ELEMENT ID |
MODEL TYPE |
LEVEL |
fREEDA Element |
Comment |
V |
DC |
|
Vsource |
|
V |
AC |
|
Vsource |
|
V |
PULSE |
|
VPulse |
|
V |
EXP |
|
Vexp |
|
V |
SFFM |
|
VSffm |
|
|