參數資料
型號: MRF1511T1
元件分類: 功率晶體管
英文描述: VHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: POWER, PLASTIC, CASE 466-02, 4 PIN
文件頁數: 8/10頁
文件大?。?/td> 174K
代理商: MRF1511T1
5.2–57
MRF1511T1
MOTOROLA WIRELESS
RF PRODUCT DEVICE DATA
Note: ZOL* was chosen based on tradeoffs between gain, drain efficiency, and device stability.
Figure 19. Series Equivalent Input and Output Impedance
Zo = 10
Zin
= Complex conjugate of source
impedance with parallel 15
resistor and 24 pF capacitor in
series with gate. (See Figure 10).
ZOL* = Complex conjugate of the load
impedance at given output power,
voltage, frequency, and
ηD > 50 %.
f
MHz
Zin
ZOL*
135
20.1 –j0.5
2.53 –j2.61
Zin
= Complex conjugate of source
impedance with parallel 15
resistor and 68 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 = 7.5 V, IDQ = 150 mA, Pout = 8 W
155
17.0 +j3.6
3.01 –j2.48
175
15.2 +j7.9
2.52 –j3.02
f
MHz
Zin
ZOL*
66
25.3 –j0.31
3.62 –j0.751
VDD = 7.5 V, IDQ = 150 mA, Pout = 8 W
77
25.6 +j3.62
3.59 –j0.129
88
26.7 +j6.79
3.37 –j0.173
ZOL*
Zin
135
155
f = 175 MHz
135
155
f = 175 MHz
66
77
Zin
f = 88 MHz
66
77
f = 88 MHz
ZOL*
Zin
Z OL*
Input
Matching
Network
Device
Under Test
Output
Matching
Network
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