Datasheet

−30
−27
−24
−21
−18
−15
−12
−9
−6
−3
0
3
0.1 1 10 100 1000
R
F
= 500 Ω
R
F
= 680 Ω
G = −1,
V
CC
= ±15 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
R
F
= 330 Ω
−6
−5
−4
−3
−2
−1
0
1
2
0.1 1 10 100 1000
R
F
= 560 Ω
R
F
= 750 Ω
R
F
= 470 Ω
G = 1,
V
CC
= ±5 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−30
−27
−24
−21
−18
−15
−12
−9
−6
−3
0
3
6
0.1 1 10 100 1000
R
F
= 500 Ω
R
F
= 680 Ω
R
F
= 330 Ω
G = −1,
V
CC
= ±5 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−6
−3
0
3
6
9
0.1 1 10 100 1000
R
F
= 470 Ω
R
F
= 500 Ω
R
F
= 430 Ω
G = 2,
V
CC
= ±15 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−12
−9
−6
−3
0
3
0.1 1 10 100 1000
R
F
= 560 Ω
R
F
= 470 Ω
G = 1,
V
CC
= ±15 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
R
F
= 750 Ω
−6
−3
0
3
6
9
0.1 1 10 100 1000
R
F
= 470 Ω
R
F
= 500 Ω
R
F
= 430 Ω
G = 2,
V
CC
= ±5 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−18
−15
−12
−9
−6
−3
0
3
6
9
12
15
0.1 1 10 100 1000
R
F
= 270 Ω
R
F
= 390 Ω
R
F
= 200 Ω
G = 4,
V
CC
= ±15 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−18
−15
−12
−9
−6
−3
0
3
6
9
12
15
0.1 1 10 100 1000
R
F
= 270 Ω
R
F
= 390 Ω
R
F
= 200 Ω
G = 4,
V
CC
= ±5 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−12
−9
−6
−3
0
3
6
9
12
15
0.1 1 10 100 1000
R
F
= 470 Ω
R
F
= 560 Ω
R
F
= 200 Ω
V
CC
= ±5 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
THS3122
THS3125
SLOS382D –SEPTEMBER 2001–REVISED FEBRUARY 2011 www.ti.com
TYPICAL CHARACTERISTICS
SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP
GAIN GAIN GAIN
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 1. Figure 2. Figure 3.
SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP
GAIN GAIN GAIN
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 4. Figure 5. Figure 6.
SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP SMALL-SIGNAL CLOSED-LOOP
GAIN GAIN GAIN
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 7. Figure 8. Figure 9.
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