Version 4
SHEET 1 880 1240
WIRE -144 272 -400 272
WIRE -400 336 -400 272
WIRE -144 352 -144 272
WIRE -400 480 -400 416
WIRE -144 480 -144 416
WIRE -144 480 -400 480
WIRE -400 512 -400 480
FLAG -400 512 0
SYMBOL varactor -160 416 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value XSMV1234
SYMATTR Prefix X
SYMBOL voltage -400 320 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value {VD}
TEXT -408 168 Left 2 !.ac list {1Meg/(2*pi)} ;w=1Meg
TEXT -408 128 Left 2 !.step param VD 0 15 0.1
TEXT -400 -56 Left 2 ;Use the varicap symbol for a .subckt model\nCTRL rigth-mouse-click on the varicap\nA dialogue window will appear.\nChange Prefix:D to Prefix:X\nOK
TEXT 32 80 Left 0 !*Skyworks SMV1234 Figure1 Table2 with plastic package\n \n.subckt   XSMV1234 1 2\nLS 1 3 1.7n\nCP 3 2 1.2p\nRS 3 4 0.8\nD1 4 2 D1234\n.model D1234 D(\n+ Is=1e-14 Rs=0 N=1 CJO=8.75p M=1.1 VJ=2.3\n+ EG=1.11 XTI=3 KF=0 AF=1 FC=0.5 BV=16 IBV=1e-3\n+ ISR=0 NR=2 IKF=0 NBV=1 IBVL=0 NBVL=1 TBV1=0\n+ TNOM=27)\n* Parameter FFE=1 not supported in LTspice\n.ENDS