THS4520_14 Datasheet, PDF (9/37 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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SMALL-SIGNAL
FREQUENCY RESPONSE
22
20
18 ^{G = 20 dB}
16
V_O = 100 mV_PP
V_S = ±2.5 V
R_F = 499 W
R_L = 200 W
14
12 ^{G = 14 dB}
10
8 ^{G = 10 dB}
6
4 ^{G = 6 dB}
2 _{G = 0 dB}
0
-2
0.1
1
10
100
f - Frequency - MHz
1000
Figure 1.
HD2 vs FREQUENCY
V_O = 2V_PP
-50
R_F = 499 W,
V_O = 2 V_PP,
-60 _{VS = ±2.5 V}
-70
-80
R_L = 500 W
R_L = 2 kW
-90
R_L = 1 kW
-100
-110
1
R_L = 200 W
10
100
f - Frequency - MHz
Figure 3.
HD2 vs FREQUENCY
V_O = 4V_PP
-50
R_F = 499 W,
-60 ^{VO = 4 VPP,}
V_S = ±2.5 V
-70
-80 R_L = 200 W
R_L = 2 kW
R_L = 500 W
-90
-100
R_L = 1 kW
-110
1
10
100
f - Frequency - MHz
Figure 5.
THS4520
SLOS503B – SEPTEMBER 2006 – REVISED JULY 2007
LARGE-SIGNAL FREQUENCY RESPONSE
22
20
18 ^{G = 20 dB}
16
V_O = 2 V_PP
V_S = ±2.5 V
R_F = 499 W
R_L = 200 W
14
12 ^{G = 14 dB}
10
8 ^{G = 10 dB}
6
4 ^{G = 6 dB}
2 _{G = 0 dB}
0
-2
0.1
1
10
100
f - Frequency - MHz
1000
Figure 2.
HD3 vs FREQUENCY
V_O = 2V_PP
-50
R_F = 499 W,
V_O = 2 V_PP,
-60 _{VS = ±2.5 V}
R_L = 200 W
-70
-80 _{RL = 2 kW}
-90
R_L = 1 kW
-100
R_L = 500 W
-110
1
10
100
f - Frequency - MHz
Figure 4.
HD3 vs FREQUENCY
V_O = 4V_PP
-50
R_F = 499 W,
-60
V_O = 4 V_PP,
V_S = ±2.5 V
-70
R_L = 2 kW
-80
R_L = 500 W
-90
R_L = 1 kW
-100
-110
1
R_L = 200 W
10
100
f - Frequency - MHz
Figure 6.
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