EL5191 Datasheet, PDF (8/17 Pages) Intersil Corporation – 1GHz Current Feedback Amplifier with Enable

EL5191, EL5191A
Typical Performance Curves (Continued)
Closed Loop Output Impedance vs Frequency
100
10
1
0.1
0.01
0.001
100 1k 10k 100k 1M 10M 100M 1G
Frequency (Hz)
2nd and 3rd Harmonic Distortion vs Frequency
-10
-20
A_V = +2
V_OUT = 2V_P-P
-30 ^{RL = 100Ω}
-40
2nd Order
-50
Distortion
-60
-70
-80
3rd Order
Distortion
-90
-100
1
10
Frequency (MHz)
100 200
Differential Gain/Phase vs DC Input
Voltage at 3.58MHz
0.03
A_V = 2
R_F = R_G = 250Ω
dP
R_L = 150Ω
0.01
-0.01
dG
-0.03
-0.05
-1
-0.5
0
0.5
1
DC Input Voltage
Supply Current vs Supply Voltage
10
8
6
4
2
0
0
2
4
6
8
10
12
Supply Voltage (V)
Two-Tone 3rd Order
Input Referred Intermodulation Intercept (IIP3)
30
25
20
15
10
5
0
-5
-10 ^AV ^{= +2}
R_L = 100Ω
-15
10
100
200
Frequency (MHz)
Differential Gain/Phase vs DC Input
Voltage at 3.58MHz
0.03
A_V = 1
0.02 ^RF ^{= 375Ω}
R_L = 500Ω
dP
0.01
0
dG
-0.01
-0.02
-0.03
-0.04
-1
-0.5
0
0.5
1
DC Input Voltage
8