我是从安森美网网上下载的库文件打算运行，一开始直接添加lib文件自己做电路有些问题，后来发现文件包里自带了一个公司提供的opj文件应用案例，就试着把它运行一下，结果依然出错提示找不到参数。
仿真结果如下，我也修改了simulation条件中的lib设置，把安森美的lib添加进去，但是仍有ERROR -- unknown parameter。我在英文的bbs上看到过同样的问题，但是回复的解答貌似不能解决我的问题，实在木有办法了。我是pspice新手，可能问题挺低级的，求各位遇到过这种问题的前辈狠拍我吧！谢谢!!!>w<
下载在这里 
NCP1608
** Creating circuit file "TRANS.cir"
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
*Libraries:
* Profile Libraries :
* Local Libraries :
* From [PSPICE NETLIST] section of F:\Program Files\OrCAD_10.5\tools\PSpice\PSpice.ini file:
.lib "G:\1608modele\User Library\ONSemi NCP1608 rev1.lib"
.lib "F:\Program Files\OrCAD_10.5\tools\pspice\library\nom.lib"
*Analysis directives:
.TRAN 0 200m 0 SKIPBP
.PROBE V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
.INC "..\TRANS.net"
**** INCLUDING TRANS.net ****
* source NCP1608 PSPICE MODEL
R_Ro1a N268246 VOUT 2MEG
V_Vin N268222 N268212
+SIN 0 {Vac_in*1.414} 50 0 0 0
C_Cparasitic 0 N268318 10p
I_Iout VOUT 0 DC 250m
X_U3 N2689320 VOUT DIODE_BHAVE PARAMS: VT=0.7
R_Rctup2 N268434 N269006 750k
X_Q1 N268262 0 N268148 N268064 TRANS_Q1
R_Rctup1 N269006 AC_RECT 750k
C_Cds N268064 N268148 50p
X_J1 N268068 N268056 Sw_topen PARAMS: TOPEN=199m TTRAN=1U RCLOSED=0.01
+ ROPEN={1/GMIN}
X_U2 N268148 N268104 ZCD_WINDING 0 XFMRLp PARAMS: LPRIM=400U TRATIO=0.1
X_B3 0 N268222 DIODE_BHAVE PARAMS: VT=0.7
R_RLESR AC_RECT N268104 100m
C_CIN 0 AC_RECT 0.1u
R_RZCD N268318 ZCD_WINDING 100k
X_B2 N268212 AC_RECT DIODE_BHAVE PARAMS: VT=0.7
R_RDRV N268142 N268262 10
R_RS 0 N268064 0.125
R_Ro1b N268068 N268246 2MEG
R_ROUT2A 0 N268068 25.5k
C_CBULK VOUT 0 68u IC=395
X_B4 0 N268212 DIODE_BHAVE PARAMS: VT=0.7
C_CCOMP N279338 0 1u IC=3
V_Vcc N268426 0 15
C_CT 0 N268434 1.33n
R_Rdiode N268148 N2689320 10m
X_U1 N268056 N279338 N268434 N268064 N268318 0 N268142 N268426 NCP1608B
X_B1 N268222 AC_RECT DIODE_BHAVE PARAMS: VT=0.7
C_Cgs N268064 N268262 1n
.PARAM Vac_in=85
.subckt TRANS_Q1 1 2 3 4
S_Q1 3 4 1 2 _Q1
RS_Q1 1 2 1G
.MODEL _Q1 VSWITCH Roff=1e6 Ron=0.4 Voff=2 Von=4
.ends TRANS_Q1
**** RESUMING TRANS.cir ****
.END
**** EXPANSION OF SUBCIRCUIT X_U1.X_COMPHYSOVP ****
X_U1.X_COMPHYSOVP.R_R5 0 X_U1.OVPHYS 100meg TC 0 0
X_U1.X_COMPHYSOVP.E_E1 X_U1.X_COMPHYSOVP.HYS1 N268056 VALUE { IF(V(2#)>
+ {(VHIGH+VLOW)/2},V(3#),0) }
X_U1.X_COMPHYSOVP.E_E2 X_U1.X_COMPHYSOVP.4 0 VALUE { IF(V(HYS1,1#) > 0,
+ {VHIGH}, {VLOW} ) }
X_U1.X_COMPHYSOVP.R_R7 0 X_U1.X_COMPHYSOVP.HYS1 100meg TC 0 0
X_U1.X_COMPHYSOVP.R_R6 0 X_U1.OVPREF 100meg TC 0 0
X_U1.X_COMPHYSOVP.R_R4 X_U1.X_COMPHYSOVP.4 X_U1.$N_9999 10 TC 0 0
X_U1.X_COMPHYSOVP.C_C1 0 X_U1.$N_9999 100p TC 0 0
------------------------------------------------$
ERROR -- unknown parameter
