LT1228(Rev_A) 查看數據表（PDF） - Linear Technology
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LT1228 Datasheet PDF : 20 Pages
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LT1228
TYPICAL PERFOR A CE CHARACTERISTICS Current Feedback Amplifier, Pins 1, 6, 8
Voltage Gain and Phase vs
Frequency, Gain = 6dB
8
0
PHASE
7
45
6
90
GAIN
5
135
4
180
3
2
1
VS = ±15V
0
RL = 100Ω
RF = 750Ω
–1
–2
0.1
1
10
225
100
FREQUENCY (MHz)
LT1228 • TPC10
Voltage Gain and Phase vs
Frequency, Gain = 20dB
22
0
PHASE
21
45
20
90
GAIN
19
135
18
180
17
16
15
VS = ±15V
14
RL = 100Ω
RF = 750Ω
13
12
0.1
1
10
225
100
FREQUENCY (MHz)
LT1228 • TPC13
Voltage Gain and Phase vs
Frequency, Gain = 40dB
42
0
PHASE
41
45
40
90
GAIN
39
135
38
180
37
36
35
VS = ±15V
34
RL = 100Ω
RF = 750Ω
33
32
0.1
1
10
225
100
FREQUENCY (MHz)
LT1228 • TPC16
–3dB Bandwidth vs Supply
Voltage, Gain = 2, RL = 100Ω
180
160
PEAKING ≤ 0.5dB
PEAKING ≤ 5dB
140
120
RF = 500Ω
100
RF = 750Ω
80
RF = 1k
60
40
RF = 2k
20
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC11
–3dB Bandwidth vs Supply
Voltage, Gain = 10, RL = 100Ω
180
160
PEAKING ≤ 0.5dB
PEAKING ≤ 5dB
140
120
100
RF = 250Ω
80
RF = 500Ω
RF = 750Ω
60
40
RF = 1k
20
RF = 2k
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC14
–3dB Bandwidth vs Supply
Voltage, Gain = 100, RL = 100Ω
18
16
14
12
RF = 500Ω
10
RF = 1k
8
6
RF = 2k
4
2
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC17
–3dB Bandwidth vs Supply
Voltage, Gain = 2, RL = 1k
180
160
140 RF = 500Ω
120
RF = 750Ω
100
80
60
PEAKING ≤ 0.5dB
PEAKING ≤ 5dB
40
RF = 1k
20
RF = 2k
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC12
–3dB Bandwidth vs Supply
Voltage, Gain = 10, RL = 1kΩ
180
160
PEAKING ≤ 0.5dB
PEAKING ≤ 5dB
140
120
100
RF = 250Ω
RF = 500Ω
80
RF = 750Ω
60
RF = 1k
40
20
RF = 2k
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC15
–3dB Bandwidth vs Supply
Voltage, Gain = 100, RL = 1kΩ
18
16
14
RF = 500Ω
12
10
RF = 1k
8
RF = 2k
6
4
2
0
0 2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE (±V)
LT1228 • TPC18
6
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