EL2126C - Preliminary
EL2126C - Preliminary
Ultra-low Noise, Low Power, Wideband Amplifier
Typical Performance Curves
Bandwidth vs V
s
160
140
120
-3dB Bandwidth
100
80
60
40
20
0
0
A
V
=-50
A
V
=-50
2
4
6
8
±V
S
(V)
Large Signal Step Response
V
S
=±5V
V
O
=2V
PP
R
F
=180Ω
R
G
=20Ω
V
S
=±5V
V
O
=100mV
PP
0.5V/div
20mV/div
R
F
=180Ω
R
G
=20Ω
10
12
A
V
=50
14
16
A
V
=-20
A
V
=-20
R
G
=20Ω
R
L
=500Ω
C
L
=5pF
3.0
A
V
=-10
A
V
=10
Peaking (dB)
2.5
2.0
1.5
1.0
0.5
0
A
V
=-10
A
V
=10
Peaking vs V
s
R
G
=20Ω
R
L
=500Ω
C
L
=5pF
0
2
4
6
8
10
12
14
16
±Supply
Voltage (V)
Small Signal Step Response
10ns/div
10ns/div
1MHz Harmonic Distortion vs Output Swing
-40.0
-50.0
Harmonic Distortion (dBc)
-60.0
-70.0
-80.0
-90.0
-100.0
3rd H
V
S
=±5V
V
O
=2V
P-P
R
F
=180Ω
A
V
=10
R
L
=500Ω
-30.0
-40.0
2nd H
Harmonic Distortion (dBc)
-50.0
-60.0
-70.0
-80.0
-90.0
0
1
2
3
4
V
OUT
(V
P-P
)
5
6
7
8
-100.0
1MHz Harmonic Distortion vs Output Swing
V
S
=±5V
V
O
=2V
P-P
R
F
=180Ω
A
V
=10
R
L
=500Ω
2nd H
3rd H
0
5
10
15
20
25
V
OUT
(V
P-P
)
8