THS4509-Q1 Datasheet, PDF (18/37 Pages) Texas Instruments – WIDEBAND LOW-NOISE LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509-Q1
SLOS547 – NOVEMBER 2008........................................................................................................................................................................................... www.ti.com
SMALL-SIGNAL FREQUENCY 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 44.
HD₂ vs FREQUENCY
G = 6 dB,
−40 _{VOD = 1 VPP}
−50
−60
−70
−80
R _L = 100Ω
−90
−100
R _L = 200 Ω
RL= _{1 kΩ}
−110
−120
1
R _{L = 500 Ω}
10
100
1000
f − Frequency − MHz
Figure 46.
HD₂ vs FREQUENCY
−40
G = 10 dB,
−50
V_OD = 1 V_PP
−60
−70
−80
R _L = 200Ω
−90
−100
−110
−120
1
R _L = 1 kΩ
R _{L = 500 Ω}
10
100
f − Frequency − MHz
Figure 48.
1000
LARGE-SIGNAL FREQUENCY RESPONSE
22
20
V_OD = 1 V_PP
18 ^{G = 20 dB}
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 45.
HD₃ vs FREQUENCY
G = 6 dB,
−40
V_OD = 1 V_PP
−50
−60
−70
R_L = 100 W
−80 R_L = 200 W
−90
−100
1
R_L = 1 kW
R_L = 500 W
10
100
f − Frequency − MHz
Figure 47.
1000
HD₃ vs FREQUENCY
−40
G = 10 dB,
−50 ^{COD = 1 VPP}
−60
−70
−80 R_L = 500 W
R_L = 1 kW
−90
−100
1
R_L = 200 W
10
100
f − Frequency − MHz
Figure 49.
1000
18
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