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参数资料
| 型号： | MMBR571LT1 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 小信号晶体管 |
| 英文描述： | UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| 封装： | PLASTIC, CASE 318-08, 3 PIN |
| 文件页数： | 4/10页 |
| 文件大小： | 194K |
| 代理商： | MMBR571LT1 |
3
MMBR571LT1 MRF5711LT1
MOTOROLA RF DEVICE DATA
Figure 3. Input Capacitance versus
Emitter Base Voltage
SOT–23 MMBR571LT1
C
ib
,INPUT
CAP
ACIT
ANCE
(pF)
VBE, BASE–EMITTER VOLTAGE (Vdc)
4
1
3
2
1
23
0
f = 1 MHz
Cib
C
cb
,OUTPUT
CAP
ACIT
ANCES
(pF)
,C
ob
Vcb, COLLECTOR–BASE VOLTAGE (Vdc)
2.5
0
2
1.5
1
0.5
0
12
3
4
5
6
7
8
9
1
Cob
Ccb
f = 1 MHz
G
NF
,GAIN
A
T
NOISE
FIGURE
(dB)
0
IC, COLLECTOR CURRENT (mA)
20
16
12
8
4
0
10
20
30
40
50
f = 500 MHz
VCE = 5 V
TYPICAL CHARACTERISTICS
MMBR571LT1
Figure 4. Output Capacitances versus
Collector–Base Voltage
Figure 5. Gain at Noise Figure versus
Collector Current
1 GHz
Figure 6. Noise Figure versus Collector Current
SOT–23 MMBR571LT1
NF
,NOISE
FIGURE
(dB)
0
IC, COLLECTOR CURRENT (mA)
5
4
3
2
1
0
10
20
30
40
50
f = 500 MHz
f = 1 GHz
VCE = 5 V
G
NF
,GAIN
A
T
NOISE
FIGURE
(dB)
0.2
f, FREQUENCY (GHz)
25
20
15
10
5
0
0.3
0.5
1
1.5
2
NF
,NOISE
FIGURE
(dB)
5
4
3
2
1
0
VCE = 5 V
IC = 10 mA
GNF
NF
25
0.2
f, FREQUENCY (GHz)
20
15
10
5
0.3
0.6
1
2
30
1.5
GUMAX =
|S21|2
(1 – |S11|2)(1 – |S22|2)
GUMAX
|S21|2
VCE = 5 V
IC = 30 mA
G
U
MAX
AND
|S
21
|2
(dB)
Figure 7. Gain at Noise Figure and Noise
Figure versus Frequency
Figure 8. Maximum Unilateral Gain and
Insertion Gain versus Frequency
ARCHIVE
INFORMA
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ARCHIVE
INFORMA
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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