參數(shù)資料
型號(hào): MRF492
廠商: MOTOROLA INC
元件分類(lèi): 功率晶體管
英文描述: RF POWER TRANSISTOR NPN SILICON
中文描述: VHF BAND, Si, NPN, RF POWER TRANSISTOR
封裝: CASE 211-11, 4 PIN
文件頁(yè)數(shù): 3/4頁(yè)
文件大小: 84K
代理商: MRF492
3
MRF492
MOTOROLA RF DEVICE DATA
Figure 4. Output Power versus Supply Voltage
Figure 5. Series Equivalent Input/Output Impedances
100
80
60
40
20
07
8
9
10
11
12
13
14
15
16
17
VCC, SUPPLY VOLTAGE (VOLTS)
f = 50 MHz
o
120
140
Pin = 8 W
4 W
2 W
f = 25 MHz
30
0
2.0
1.0
–j2.0
–j1.0
50
Zo = 10
Zin
0
2.0
1.0
3.0
4.0
5.0
1.0
2.0
3.0
Zo = 10
f = 25 MHz
30
50
ZOL*
f
MHz
Zin
Ohms
ZOL*
Ohms
25
30
50
1.12 – j1.28
0.93 – j1.24
0.7 – j1.17
0.85 – j1.46
0.76 – j1.3
0.58 – j1.0
VCC = 12.5 V, Pout = 70 W
ZOL* = Conjugate of the optimum load
ZOL* =
impedance into which the device
ZOL* =
output operates at a given output
ZOL* =
power, voltage and frequency.
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