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| 型號： | 2N4427 |
| 元件分類： | 小信號晶體管 |
| 英文描述： | UHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-39 |
| 封裝： | M246, 3 PIN |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 377K |
| 代理商： | 2N4427 |
2N4427.PDF 6-25-03
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct
2N4427
POUT
(R
L=50 OHMS)
V
cc = 12V
P
IN
(R
S=50 OHMS)
L1
L
2
L
4
L
3
C1
C2
C3
C4
C6
C5
Figure 1 - 175 MHz RF AMPLIFIER CIRCUIT FOR GPE, POUT,
AND EFFICIENCY SPECIFICATIONS.
L1: 2 TURNS No. 16 wire, 3/16” ID, 1/4” long
L2: Ferrite choke, Z=450 ohms
L3: 2 TURNS No. 16 wire, 1/4” ID, 1/4” long
L4: 4 TURNS No. 16 wire, 3/8” ID, 3/8” long
Capacitor values in pF unless
Tuning capacitors are air variable
otherwise indicated.
.
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