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參數資料
| 型號： | MRF1518T1 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 功率晶體管 |
| 英文描述： | UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET |
| 封裝： | PLASTIC, PLD-1.5, CASE 466-03, 4 PIN |
| 文件頁數： | 3/20頁 |
| 文件大小： | 742K |
| 代理商： | MRF1518T1 |
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MRF1518T1
RF Device Data
Freescale Semiconductor
Note: ZOL* was chosen based on tradeoffs between gain, drain efficiency, and device stability.
Figure 37. Series Equivalent Input and Output Impedance
f
MHz
Zin
Ω
ZOL*
Ω
450
4.9 +j2.85
6.42 +j3.23
Zin
= Complex conjugate of source
impedance with parallel 15 Ω
resistor and 82 pF capacitor in
series with gate. (See Figure 1).
ZOL* = Complex conjugate of the load
impedance at given output power,
voltage, frequency, and ηD > 50 %.
VDD = 12.5 V, IDQ = 150 mA, Pout = 8 W
470
4.85 +j3.71
4.59 +j3.61
500
4.63 +j3.84
4.72 +j3.12
520
3.52 +j3.92
3.81 +j3.27
Zo = 10 Ω
520
f = 450 MHz
Zin
ZOL*
520
f = 450 MHz
Zin
Z OL*
Input
Matching
Network
Device
Under Test
Output
Matching
Network
f
MHz
Zin
Ω
ZOL*
Ω
820
1.42 -j0.32
2.34 +j0.23
Zin
= Complex conjugate of source
impedance.
ZOL* = Complex conjugate of the load
impedance at given output power,
voltage, frequency, and ηD > 50 %.
VDD = 12.5 V, IDQ = 150 mA, Pout = 8 W
830
1.39 -j0.21
2.36 +j0.47
840
1.32 -j0.16
2.40 +j0.69
850
1.23 -j0.13
2.37 +j0.79
Zo = 10 Ω
f = 820 MHz
Zin
ZOL*
f = 850 MHz
f = 820 MHz
f = 850 MHz
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