MMBF5460LT1 查看數據表（PDF） - Motorola => Freescale
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MMBF5460LT1 Datasheet PDF : 6 Pages
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1000
700
500
300
200
100
70
50
30
20
10
0.1
VDS = 15 V
f = 1.0 kHz
IDSS = 3.0 mA
6.0 mA
10 mA
0.2
0.5
1.0
2.0
ID, DRAIN CURRENT (mA)
5.0
10
Figure 7. Output Resistance
versus Drain Current
MMBF5460LT1
10
9.0
f = 1.0 MHz
VGS = 0
8.0
7.0
6.0
Ciss
5.0
4.0
3.0
2.0
Coss
1.0
0
Crss
0
10
20
30
40
VDS, DRAIN–SOURCE VOLTAGE (VOLTS)
Figure 8. Capacitance versus
Drain–Source Voltage
5.0
VDS = 15 V
4.0
VGS = 0
RG = 1.0 Megohm
3.0
2.0
1.0
0
10 20 30 50 100 200 300 500 1000 2000 3000 10,000
f, FREQUENCY (Hz)
Figure 9. Noise Figure versus Frequency
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
1.0
VDS = 15 V
VGS = 0
f = 100 Hz
10
100
1000
RS, SOURCE RESISTANCE (k Ohms)
Figure 10. Noise Figure versus
Source Resistance
10,000
vi
Ciss
Crss
ross
COMMON SOURCE
y PARAMETERS FOR FREQUENCIES
BELOW 30 MHz
Coss
| yfs | vi
yis = jω Ciss
yos = jω Cosp * + 1/ross
yfs = yfs |
yrs = –jω Crss
* Cosp is Coss in parallel with Series Combination of Ciss and Crss.
NOTE:
1. Graphical data is presented for dc conditions. Tabular
data is given for pulsed conditions (Pulse Width = 630 ms,
Duty Cycle = 10%).
Figure 11. Equivalent Low Frequency Circuit
Motorola Small–Signal Transistors, FETs and Diodes Device Data
3
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