* EL2070C Macromodel -- For reference only
* 200MHz Current Feedback Amplifier
* Revision A, March 1992
* Enhancements include PSRR, CMRR, and Slew Rate Limiting
* Connections:        +input
*                       |  -input
*                       |    | +Vsupply
*                       |    |    | -Vsupply
*                       |    |    |    |  output
*                       |    |    |    |    |
.subckt EL2070C         3    2    7    4    6
*
* Input Stage
*
e1  10 0 3 0 1.0
vis 10  9 0V
h2   9 12 vxx 1.0
r1  2  11 50
l1 11  12 48nH
iinp 3  0 8uA
iinm 2  0 8uA
*
* Slew Rate Limiting
*
h1 13 0 vis 600
r2 13 14 1K
d1 14  0  dclamp
d2  0 14  dclamp
*
* High Frequency Pole
*
e2 30  0 14 0 0.00166666666
l3 30 17 0.1uH
c5 17  0 0.1pF
r5 17  0 500
*
* Transimpedance Stage
*
g1  0 18 17 0 1.0
rol 18 0 150K
cdp 18 0 2.8pF
*
* Output Stage
*
q1 4 18 19 qp
q2 7 18 20 qn
q3 7 19 21 qn
q4 4 20 22 qp
r7 21 6  2
r8 22 6  2
ios1 7 19 2.5mA
ios2 20 4 2.5mA
*
* Supply Current
*
ips 7 4 9mA
*
* Error Terms
*
ivos 0 23 5mA
vxx 23  0 0V
e4  24 0 3 0 1.0
e5  25 0 7 0 1.0
e6  26  0 4 0 1.0
r9  24 23 3K
r10 25 23 1K
r11 26 23 1K
*
* Models
*
.model qn npn(is=5e-15 bf=200 tf=0.05nS)
.model qp pnp(is=5e-15 bf=200 tf=0.05nS)
.model dclamp d(is=1e-30 ibv=0.266 bv=1.3 n=4)
.ends EL2070C
*$