THS4509 Datasheet, PDF (15/30 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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SMALL-SIGNAL
FREQUNECY RESPONSE
22
20
G = 20 dB
18
V_OD = 100 mV_PP
16 _{G = 14 dB}
14
12
G = 10 dB
10
8
G = 6 dB
6
4
2
0
0.1
1
10
100 1000 10000
f − Frequency − MHz
Figure 42.
HD₂
vs
FREQUENCY
−40
G = 6 dB,
−50 V_OD = 1 V_PP
−60
−70
−80
−90
−100
R_L = 100 Ω
R_L = 200 Ω
R_L = 1 kΩ
−110
−120
1
R_L = 500 Ω
10
100
f − Frequency − MHz
1000
Figure 45.
HD₃
vs
FREQUENCY
−40
G = 10 dB,
V_OD = 1 V_PP
−50
−60
−70
−80 _{RL = 500 Ω}
R_L = 1 kΩ
−90
R_L = 200 Ω
−100
1
10
100
f − Frequency − MHz
Figure 48.
1000
LARGE-SIGNAL
FREQUNECY RESPONSE
22
G = 20 dB
20
V_OD = 1 V_PP
18
16
G = 14 dB
14
12
G = 10 dB
10
8 _{G = 6 dB}
6
4
2
0
0.1
1
10
100 1000 10000
f− Frequency − MHz
Figure 43.
HD₃
vs
FREQUENCY
−40
G = 6 dB,
V_OD = 1 V_PP
−50
−60
−70
R_L = 100 Ω
−80
R_L = 200 Ω
−90
−100
1
R_L = 1 kΩ
R_L = 500 Ω
10
100
f − Frequency − MHz
Figure 46.
1000
HD₂
vs
FREQUENCY
−40
G = 14 dB,
−50 V_OD = 1 V_PP
−60
−70
R_L = 100 Ω
−80
R_L = 200 Ω
−90
−100
−110
−120
1
R_L = 500 Ω
R_L = 1 kΩ
10
100
f − Frequency − MHz
Figure 49.
1000
THS4509
SLOS454 – JANUARY 2005
0.1 dB FLATNESS
10.2
V_OD = 1 V_PP
10.1
10
9.9
9.8
0.1
1
10
100 1000 10000
f − Frequency − MHz
Figure 44.
HD₂
vs
FREQUENCY
−40
G = 10 dB,
−50 ^VOD ^{= 1 V}PP
−60
−70
−80
R_L = 200 Ω
−90
−100
−110
−120
1
R_L = 1 kΩ
R_L = 500 Ω
10
100
f − Frequency − MHz
Figure 47.
1000
HD₃
vs
FREQUENCY
−40
G = 14 dB,
−50 ^{VOD = 1 VPP}
−60
R_L = 100 Ω
−70 _{RL = 200 Ω}
−80
−90
−100
1
R_L = 500 Ω
R_L = 1 kΩ
10
100
f − Frequency − MHz
Figure 50.
1000
15