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参数资料
| 型号： | MRF641 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 功率晶体管 |
| 英文描述： | RF POWER TRANSISTOR NPN SILICON |
| 中文描述： | UHF BAND, Si, NPN, RF POWER TRANSISTOR |
| 文件页数： | 3/4页 |
| 文件大小： | 103K |
| 代理商： | MRF641 |
3
MRF641
MOTOROLA RF DEVICE DATA
Figure 2. Power Output versus Power Input
Figure 3. Power Output versus Frequency
Figure 4. Power Output versus Supply Voltage
Figure 5. Power Saturation Profile
Figure 6. Series Equivalent Input–Output Impedance
o
o
o
o
i
VCC, SUPPLY VOLTAGE (VOLTS)
25
20
8
9
10
11
12
13
14
15
16
f = 470 MHz
Pin = 2 W
15
10
5
0
Pin = 3 W
VCC = 12.5 V
Pin, POWER INPUT (WATTS)
30
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
f = 470 MHz
VCC = 12.5 Vdc
27
24
21
18
15
12
9
6
3
0
f, FREQUENCY (MHz)
25
20
380
400
15
10
5
0
420
440
460
480
500
520
540
1 W
2 W
f = 470 MHz
VCC = 12.5 Vdc
Pin, POWER INPUT (WATTS)
30
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
27
24
21
18
15
12
9
6
3
0
Zin
0
2.0
1.0
3.0
4.0
ZOL*
2.0
4.0
6.0
8.0
10.
0
12.
0
10.
0
8.0
6.0
4.0
2.0
f = 400 MHz
420
450
480
510
f = 400 MHz
420
450
480
510
ZOL* = Conjugate of the load impedance into which the device output operates at a given power,
η
, and frequency.
Pout = 15 W, VCC = 12.5 V
Zin
Ohms
f
MHz
ZOL*
Ohms
400
420
450
480
510
0.6 + j4.0
0.7 + j4.2
1.0 + j5.0
1.2 + j5.2
1.7 + j6.4
3.5 – j1.2
3.4 – j0.8
3.0 + j0.5
2.7 + j1.2
2.6 + j1.6
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