AD8132
–40
–50
–60
V
S
= ±5V
R
L, DM
= 800Ω
HD2 ( F = 20MHz的)
HD3 ( F = 20MHz的)
–60
–50
V
S
= ±5V
V
O, DM
= 2V峰 - 峰值
HD3 ( F = 20MHz的)
失真( DBC)
失真( DBC)
–70
HD2 ( F = 20MHz的)
HD2 (F = 5MHz时)
–90
–70
–80
–90
–100
HD3 (F = 5MHz时)
01035-028
–80
HD2 (F = 5MHz时)
–100
HD3 (F = 5MHz时)
–110
0
5
1
2
3
4
差分输出电压(V P-P )
6
300
400
500
700
600
R
负载
(Ω)
800
900
1000
图23.谐波失真与
差分输出电压,G = 1(参见图62)
–50
V
S
= 3V
V
O, DM
= 1V P-P
图26.谐波失真与ř
负载
G = 1(参见图62)
–40
–60
HD3 ( F = 20MHz的)
–50
–60
R
L, DM
= 800Ω
V
O, DM
= 1V P-P
HD3 (V
S
= 3V)
失真( DBC)
HD2 ( F = 20MHz的)
失真( DBC)
–70
–70
–80
–90
–100
HD3 (V
S
= 5V)
HD2 (V
S
= 5V)
–80
–90
HD3 (F = 5MHz时)
HD2 (V
S
= 3V)
–100
HD2 (F = 5MHz时)
01035-029
300
400
500
600
R
负载
(Ω)
700
800
900
1000
0
10
20
30
40
频率(MHz)
50
60
70
图24.谐波失真与ř
负载
G = 1(参见图62)
–50
V
S
= 5V
V
O, DM
= 2V峰 - 峰值
HD3 ( F = 20MHz的)
图27.谐波失真与频率的关系,G = 2 (见图63 )
–20
–30
–40
R
L, DM
= 800Ω
V
O, DM
= 4V P-P
HD2 (V
S
= +5V)
HD3 (V
S
= +5V)
–60
失真( DBC)
失真( DBC)
–70
–50
–60
–70
–80
HD3 (V
S
= ±5V)
–80
HD2 ( F = 20MHz的)
HD2 (F = 5MHz时)
–90
–100
HD3 (F = 5MHz时)
–90
01035-030
HD2 (V
S
= ±5V)
300
400
500
R
负载
(Ω)
600
700
800
900
1000
0
10
20
40
50
30
频率(MHz)
60
70
80
图25.谐波失真与ř
负载
G = 1(参见图62)
图28.谐波失真与频率的关系,G = 2 (见图63 )
修订版F |第13页32
01035-034
–110
200
–100
01035-033
–110
200
–110
01035-031
–110
200