THS3122 Datasheet, PDF (6/20 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122
THS3125
SLOS382 − SEPTEMBER 2001
TYPICAL CHARACTERISTICS
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
6
3
RF = 330 Ω
0
−3
RF = 680 Ω
−6
RF = 500 Ω
−9
−12
−15
−18
−21
−24
G = −1,
VCC = ±5 V,
−27 _{RL = 50 Ω}
−30
0.1
1
10
100
1000
f − Frequency − MHz
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
3
0
−3
RF = 680 Ω
−6
RF = 500 Ω
−9
RF = 330 Ω
−12
−15
−18
−21
−24 ^{G = −1,}
VCC = ±15 V,
−27 _{RL = 50 Ω}
−30
0.1
1
10
100
f − Frequency − MHz
1000
Figure 1
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
3
RF = 470 Ω
0
−3
RF = 560 Ω
RF = 750 Ω
−6
Figure 2
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
9
RF = 430 Ω
6
RF = 500 Ω
3
RF = 470 Ω
0
−9 G = 1,
VCC = ±15 V,
RL = 50 Ω
−12
0.1
1
10
100
f − Frequency − MHz
1000
Figure 4
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
15
12
RF = 200 Ω
9
6
RF = 270 Ω
3
RF = 390 Ω
0
−3
−6
−9
−12 G = 4,
−15
VCC = ±5 V,
RL = 50 Ω
−18
0.1
1
10
100
1000
f − Frequency − MHz
Figure 7
−3 _{G = 2,}
VCC = ±5 V,
RL = 50 Ω
−6
0.1
1
10
100
f − Frequency − MHz
1000
Figure 5
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
15
12
RF = 200 Ω
9
6
RF = 270 Ω
3
RF = 390 Ω
0
−3
−6
−9
−12 ^{G = 4,}
−15
VCC = ±15 V,
RL = 50 Ω
−18
0.1
1
10
100
1000
f − Frequency − MHz
Figure 8
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
2
RF = 470 Ω
1
0
−1
RF = 750 Ω
RF = 560 Ω
−2
−3
−4
G = 1,
−5 VCC = ±5 V,
RL = 50 Ω
−6
0.1
1
10
100
f − Frequency − MHz
1000
Figure 3
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
9
RF = 430 Ω
3
RF = 500 Ω
6
RF = 470 Ω
0
−3 G = 2,
VCC = ±15 V,
RL = 50 Ω
−6
0.1
1
10
100
f − Frequency − MHz
1000
Figure 6
SMALL SIGNAL CLOSED LOOP GAIN
vs
FREQUENCY
15
12
RF = 200 Ω
9
6
3
RF = 470 Ω
0
−3
RF = 560 Ω
−6
−9
VCC = ±5 V,
RL = 50 Ω
−12
0.1
1
10
100
f − Frequency − MHz
1000
Figure 9
6
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