WFriedrich
Newbie level 3
Hello,
I have a simple circuit to test a varicap model in PSpice.
Inside the varicap model seems to be a floating node.
Any ideas how to fix this?
The circuit is this:
The varicap model is this:
PSpice output with the error:
Any ideas how to fix this would be greatly appreciated.
Thanks,
- Wolfgang.
I have a simple circuit to test a varicap model in PSpice.
Inside the varicap model seems to be a floating node.
Any ideas how to fix this?
The circuit is this:
The varicap model is this:
Code:
.SUBCKT VARICAP 1 2 CTRL
R1 1 3 1u
VC 3 4
EC 4 2 Value = { (1/v(ctrl))*v(int) }
GINT 0 INT Value = { I(VC) }
CINT INT 0 1
.ENDS
PSpice output with the error:
I think the internal node INT is driven only by a current source and might need a DC path (resistor) to GND.*Libraries:
* Profile Libraries :
* Local Libraries :
.LIB "../../../varicap.lib"
* From [PSPICE NETLIST] section of U:\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
*Analysis directives:
.TRAN 0 100us 0
.OPTIONS ADVCONV
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
.INC "..\SCHEMATIC1.net"
**** INCLUDING SCHEMATIC1.net ****
* source VARICAPTEST
V_V1 N00130 0 5Vdc
R_R1 N00130 N00137 1k TC=0,0
V_V2 N00170 0 1uVdc
X_U1 N00137 0 N00170 VARICAP
R_R2 0 N00170 1G TC=0,0
**** RESUMING varicaptest.cir ****
.END
ERROR(ORPSIM-15142): Node X_U1.int is floating
Any ideas how to fix this would be greatly appreciated.
Thanks,
- Wolfgang.