THS3201_14 Datasheet, PDF (14/40 Pages) Texas Instruments – 1.8-GHz, LOW DISTORTION, CURRENT-FEEDBACK AMPLIFIER

THS3201
SLOS416C – JUNE 2003 – REVISED JUNE 2009 ............................................................................................................................................................. www.ti.com
NONINVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
24
22
G = 10, R_F = 464 Ω
20
18
16
G = 5, R_F = 576 Ω
14
12 ^{RL = 100 Ω,}
10
V_O = 0.2 V_PP.
V_S = ±5 V
8
G = 2, R_F = 715 Ω
6
4
2
G =1, R_F = 1.2 kΩ
0
-2
-4
100 k 1 M 10 M 100 M 1 G 10 G
f - Frequency - Hz
Figure 37.
2nd HARMONIC DISTORTION
vs
FREQUENCY
-40
G = 10
RF = 464 W, RG = 51.1 W
-50
G=5
RF = 576 W,
-60 _{RG = 143 W}
-70
-80
-90
-100
1
Vs = ±5V
Vout = 2VPP
RL = 100 W
G=2
RF = 715 W, RG = 715 W
10
100
f - Frequency - MHz
Figure 40.
3rd ORDER HARMONIC
DISTORTION, G = 2
vs
OUTPUT VOLTAGE
-30
Vs = ±5V
64MHz
-40 G = 2
RF = 715 W, RG = 715 W
-50 _{RL = 100 W}
-60
32MHz
-70
1MHz
-80
-90
-100
-110
0
2MHz
4MHz
8MHz
16MHz
1
2
3
4
5
6
Vout - Output Voltage - V_PP
Figure 43.
V_S = ±5 V Graphs
INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
24
22
G = -10, R_F = 499 Ω
20
18
16
G = -5, R_F = 549 Ω
14
12 ^{RL = 100 Ω,}
10
8
V_O = 0.2 V_PP.
V_S = ±5 V
6
4
G = -2, R_F = 576 Ω
2
0
-2
G =-1, R_F = 576 Ω
-4
100 k 1 M 10 M 100 M 1 G
10 G
f - Frequency - Hz
Figure 38.
3rd ORDER HARMONIC DISTORTION
vs
FREQUENCY
-60
-65 _{G = 2}
-70 ^{RF = 715 W, RG = 715 W}
-75
Vs = ±5V
-80
Vout = 2VPP
RL = 100 W
-85
G=5
-90
RF = 576 W, RG = 143 W
-95 G = 10
-100
RF = 464 W, RG = 51.1 W
1
10
100
f - Frequency - MHz
Figure 41.
2nd ORDER HARMONIC
DISTORTION, G = 5
vs
OUTPUT VOLTAGE
-30
Vs = ±5V
-40
G=5
RF = 576 W, RG = 143 W
64MHz
-50 RL = 100 W
32MHz
-60
-70
-80
-90
-100
16MHz
1MHz
2MHz
8MHz ^4MHz
-110
0
1
2
3
4
5
6
Vout - Output Voltage - V_PP
Figure 44.
0.1 dB GAIN FLATNESS
FREQUENCY RESPONSE
6.4
Gain = 2,
6.3 RF = 715 Ω,
R_L = 100 Ω,
6.2 V_O = 0.2 V_PP,
V_S = ±5 V
6.1
6
5.9
5.8
5.7
5.6
100 k 1 M 10 M 100 M 1 G
f - Frequency - Hz
Figure 39.
10 G
2nd ORDER HARMONIC DISTORTION
G=2
vs
OUTPUT VOLTAGE
-30
Vs = ±5V
-40 ^{G = 2}
64MHz
RF = 715 W, RG = 715 W
-50 ^{RL = 100 W}
-60
32MHz
-70
-80
-90
-100
1MHz
2MHz
16MHz
4MHz
8MHz
-110
0
1
2
3
4
5
6
Vout - Output Voltage - V_PP
Figure 42.
3rd ORDER HARMONIC
DISTORTION, G = 5
vs
OUTPUT VOLTAGE
-30
Vs = ±5V
-40 G = 5
RF = 576 W, RG = 143 W
-50 _{RL = 100 W}
64MHz
-60
32MHz
-70
1MHz
-80
-90
-100
-110
0
4MHz
8MHz
2MHz
16MHz
1
2
3
4
5
6
Vout - Output Voltage - V_PP
Figure 45.
14
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