Datasheet

AD8132
Rev. I | Page 13 of 32
FREQUENCY (MHz)
GAIN (dB)
110100
25
20
15
10
5
0
–5
1k
V
S
= ±5V
V
O, dm
= 2V p-p
R
L, dm
= 200Ω
R
G
= 499Ω
–10
–15
01035-020
G = +10, R
F
= 4.99kΩ
G = +5, R
F
= 2.49kΩ
G = +2, R
F
= 1kΩ
G = +1, R
F
= 499Ω
Figure 17. Large Signal Frequency Response for Various Gains
(See Figure 58)
FREQUENCY (MHz)
RTI BALANCE ERROR (dB)
1 10 100 1k
–
25
–30
–35
–40
–45
–50
–55
V
S
= ±5V
ΔV
O, dm
= 2V p-p
ΔV
O, cm
/ΔV
O, dm
–60
–65
G = 1
G = 2
–70
–75
01035-022
Figure 18. RTI Output Balance Error vs. Frequency (See Figure 59)
FREQUENCY (MHz)
DISTORTION (dBc)
0 506070
–
40
–50
–60
–70
–80
–90
–100
20 30 4010
–110
R
L, dm
= 800Ω
V
O, dm
= 1V p-p
HD3 (V
S
= 3V)
HD2 (V
S
= 3V)
HD2 (V
S
= 5V)
HD3 (V
S
= 5V)
01035-024
Figure 19. Harmonic Distortion vs. Frequency, G = +1 (See Figure 62)
FREQUENCY (MHz)
DISTORTION (dBc)
050
–40
–50
–60
–70
–80
–90
–100
20 30 4010
–110
6070
R
L, dm
= 800Ω
V
O, dm
= 2V p-p
HD3 (V
S
= +5V)
HD2 (V
S
= ±5V)
HD2 (V
S
= +5V)
HD3 (V
S
= ±5V)
–
30
01035-025
Figure 20. Harmonic Distortion vs. Frequency, G = 1 (See Figure 62)
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
DISTORTION (dBc)
0.25 1.50 1.75
–
40
–50
–60
–70
–80
–90
–100
0.75 1.00 1.250.50
–110
V
S
= 3V
R
L, dm
= 800Ω
HD3 (f = 20MHz)
HD2 (f = 20MHz)
HD2 (f = 5MHz)
HD3 (f = 5MHz)
01035-026
Figure 21. Harmonic Distortion vs.
Differential Output Voltage, G = 1 (See Figure 62)
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
DISTORTION (dBc)
0
–
40
–50
–60
–70
–80
–90
–100
2341
–110
V
S
= 5V
R
L, dm
= 800Ω
HD3 (f = 20MHz)
HD2 (f = 20MHz)
HD2 (f = 5MHz)
HD3 (f = 5MHz)
01035-027
Figure 22. Harmonic Distortion vs.
Differential Output Voltage, G = +1 (See Figure 62)