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參數資料
| 型號： | MRF1508 |
| 元件分類： | 功率晶體管 |
| 英文描述： | UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET |
| 封裝： | POWER, PLASTIC, CASE 466-02, 4 PIN |
| 文件頁數： | 14/16頁 |
| 文件大?。?/td> | 202K |
| 代理商： | MRF1508 |
LIFETIME
BUY
LAST
ORDER
30JUN02
LAST
SHIP
30DEC0
2
7
MRF1508
MOTOROLA RF DEVICE DATA
Figure 19. 136 – 175 MHz Broadband Test Circuit
B1
Fair Rite Products Long Ferrite Bead
C1, C5
10
F, 50 V Electrolytic Capacitor
C2, C4
0.1
F, 100 mil Chip Capacitor
C3, C6, C7, C8
130 pF, 100 mil Chip Capacitor
C9
82 pF, 100 mil Chip Capacitor
C10
6.2 pF, 100 mil Chip Capacitor
C11
30 pF, 100 mil Chip Capacitor
C12
75 pF, 100 mil Chip Capacitor
C13
39 pF, 100 mil Chip Capacitor
L1
4 Turns, #20 AWG Enamel Coil, 0.1
″ ID
L2
17.5 nH Air Core Inductor, Coilcraft A06T
L3
22 nH Air Core Inductor, Coilcraft A07T
L4
18.5 nH Air Core Inductor, Coilcraft A05T
L5
5 nH Air Core Inductor, Coilcraft A02T
N1, N2
Type–N Flange Mount Connector
R1
1.1 M
, 1/4 W Carbon Resistor
R2
1.0 k
, 0.1 W Chip Resistor
VGG
VDD
C1
R1
R2
C2
C3
C5
C4
+
R3
RF
INPUT
RF
OUTPUT
Z1
Z2
Z3
Z4
C7
C10
C8
C11
DUT
Z10
Z11
R4
C9
Z5
Z6
L1
N2
C6
B1
N1
R3
50
, 1/4 W Carbon Resistor
R4
20
, 0.1 W Chip Resistor
Z1
0.200
″ x 0.081″ Microstrip
Z2
0.050
″ x 0.081″ Microstrip
Z3
0.450
″ x 0.081″ Microstrip
Z4
0.050
″ x 0.081″ Microstrip
Z5
0.550
″ x 0.081″ Microstrip
Z6
0.350
″ x 0.081″ Microstrip
Z7
1.150
″ x 0.081″ Microstrip
Z8
0.250
″ x 0.081″ Microstrip
Z9
0.350
″ x 0.081″ Microstrip
Z10
0.500
″ x 0.081″ Microstrip
Z11
1.150
″ x 0.081″ Microstrip
Z12
1.450
″ x 0.081″ Microstrip
Z13
0.050
″ x 0.081″ Microstrip
Z14
0.200
″ x 0.081″ Microstrip
Board
Glass Teflon, 31 mils, 2 oz. Copper
+
C13
Z13
Z14
L2
C12
Z9
Z7
Z8
Z12
L3
L4
L5
TYPICAL CHARACTERISTICS
Pout, OUTPUT POWER (WATTS)
IRL,
INPUT
RETURN
LOSS
(dB)
–4
–16
–20
10
–12
612
0
–8
0
14
8
4
2
Figure 20. Output Power versus Input Power
Pin, INPUT POWER (MILLIWATTS)
Figure 21. Input Return Loss
versus Output Power
600
P out
,OUTPUT
POWER
(W
A
TTS)
0
200
1000
8
4
6
10
2
136 MHz
175 MHz
155 MHz
800
400
0
12
14
–6
–18
–14
–10
–2
155 MHz
136 MHz
175 MHz
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