*******************************************************************************
* Jim Hagerman
* 11/26/91  typical
.model _2n3904 npn
+ (
+   bf   = 100
+   nf   = 1.00
+   is   = 13.5e-15
+   rb   = 11.1
+   rc   = 2.35
+   nr   = 1.00
+   br   = 1.87
+   vaf  = 90
+   ikf  = 30e-3
+   ne   = 1.36
+   ise  = 122e-15
+   xcjc = 0.8
+   cje  = 4.3e-12
+   vje  = 0.53
+   mje  = 0.25
+   cjc  = 3.5e-12
+   vjc  = 0.18
+   mjc  = 0.41
+   tf   = 531e-12
+   xtf  = 8
+   vtf  = 10
+   itf  = 50e-3
+   tr   = 176e-9
+ )

*******************************************************************************
* Jim Hagerman
* 11/19/91  typical
.model _2n3906 pnp
+ (
+   bf   = 100
+   nf   = 1.17
+   is   = 192e-15
+   rb   = 6.5
+   rc   = 2.3
+   nr   = 1.17
+   br   = 0.58
+   vaf  = 57
+   ikf  = 25e-3
+   ne   = 1.26
+   ise  = 260e-15
+   xcjc = 0.8
+   cje  = 9e-12
+   vje  = 0.090
+   mje  = 0.19
+   cjc  = 8e-12
+   vjc  = 0.22
+   mjc  = 0.18
+   tf   = 640e-12
+   xtf  = 8
+   vtf  = 5
+   itf  = 25e-3
+   tr   = 650e-9
+ )

*******************************************************************************
* 2N5485 N channel JFET, 1/22/91
.model _2n5485 njf
+ (
+   vto    = -2.0
+   beta   = 1.8e-3
+   lambda = 8.6e-3
+   cgs    = 5e-12
+   cgd    = 1e-12
+ )

*******************************************************************************
* Jim Hagerman
* 11/7/94  typical
.model _1n4004 d
+ (
+   n   = 1.57
+   is  = 6.1e-10
+   rs  = 0.044
+   tt  = 5.1e-6
+   cjo = 50e-12
+   m   = 0.25
+   vj  = 0.31
+   eg  = 1.11
+   xti = 3.0
+   bv  = 1000
+   ibv = 1e-6
+ )

*******************************************************************************
* 1N751 5.1V zener diode, 11/13/91
* Call by using:  Xxxxxx  <cathode>  <anode>  _1n751
.subckt _1n751 1 2
Dx 1 3 z$dx
Vx 3 2 dc 4.00
Dy 2 1 z$dy
.model z$dy d
+ (
+	n = 1.17
+	is = 3.7e-14
+	rs = 1.1
+	cjo = 160e-12
+	m = 0.66
+	vj = 0.78
+	bv = 8.2
+	ibv = 80e-6
+ )
.model z$dx d(rs = 17)
.ends _1n751

*******************************************************************************
* 12AX7 triode vacuum tube.  V2.0  Hagerman Technology (c) 1993
* Call by using Xxxxx Plate Gate Kathode _12AX7
.subckt _12ax7 1 2 3
Cpg 1 2 1.7p
Cgk 2 3 1.6p
Cpk 1 3 0.4p
.model _d12ax7 d (n=0.01 rs=62.5k)
Dpk 1 4 _d12ax7
Ep 3 4 2 3 100
Dgk 2 3 _d12ax7
.ends _12ax7

*******************************************************************************
* Transmission line subcircuit for 22 Awg twisted pair (from ITT), 1990
* Call by using:  Xxxxxx n1 n2 n3 n4 n5 n6 22AWG
* The nodes are:  n1 = + input
*                 n2 = - input
*                 n3 = + output
*                 n4 = - output
*                 n5 = + feet voltage
*                 n6 = - feet voltage
.subckt 22awg 1 2 3 4 16 17
.model rline res(r=33.71m tc1=0.004)	; R/ft
.model lline ind(l=164.8n)				; L/ft
.model cline cap(c=15.53p)				; C/ft
.model gline res(r=4.44G)				; R*ft = G/ft
rin 16 17 1G
xz1 16 17 7 1 5 var_z
rz1 7 8 rline 0.25
Lz1 8 0 Lline 0.25
xz2 16 17 9 5 3 var_z
rz2 9 10 rline 0.25
Lz2 10 0 Lline 0.25
xz3 16 17 11 2 6 var_z
rz3 11 12 rline 0.25
Lz3 12 0 Lline 0.25
xz4 16 17 13 6 4 var_z
rz4 13 14 rline 0.25
Lz4 14 0 Lline 0.25
xy1 16 17 15 5 6 var_y
ry1 15 0 gline 1.0
cy1 15 0 cline 1.0
.ends 22awg