EL2001C
Low Power, 70 MHz Buffer Amplifier
EL2001C Macromodel
a
*Connections:
*
input
a
Vsupply
l
l
l
l
2
b
*
Vsupply
output
l
l
l
1
*
l
*
l
4
l
7
.subckt M2001
* Input Stage
el 10 0 2 0 1.0
r1 10 0 1K
rh 10 11 150
ch 11 0 9pF
rc 11 12 100
cc 12 0 4pF
e2 13 0 12 0 1.0
* Output stage
q1 4 13 14 qp
q2 1 13 15 qn
q3 1 14 16 qn
q4 4 15 19 qp
r2 16 7 1
r3 19 7 1
i1 1 14 0.9mA
i2 15 4 0.9mA
* Bias Current
a
iin 2 0 1uA
* Models
.model qn npn(is 5e 15 bf 150 rb 200 ptf 45 tf 0.1nS)
e
b
e
e
e
e
e
b
e
e
.model qp pnp(is 5e 15 bf 150 rb 200 ptf 45 tf 0.1nS)
e
e
.ends
8