參數(shù)資料
型號: 2N4427
廠商: ADVANCED SEMICONDUCTOR INC
元件分類: 小信號晶體管
英文描述: NPN SILICON HIGH FREQUENCY TRANSISTOR
中文描述: VHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-39
封裝: TO-39, 3 PIN
文件頁數(shù): 7/9頁
文件大?。?/td> 45K
代理商: 2N4427
1995 Oct 27
7
Philips Semiconductors
Product specification
Silicon planar epitaxial
overlay transistors
2N3866; 2N4427
Fig.5 Test circuit for the 2N4427 at 175 MHz.
V
CC
= +12 V.
(1) The length of the external emitter wire is 1.6 mm.
handbook, full pagewidth
C1
input
50
output
50
L1
C2
C6
R
C3
C4
MGC940
L2
L4
L3
C5
DUT
VCC
(1)
List of components
(see Fig.5)
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE No.
C1, C2, C3, C4
C5
air trimmer capacitor
feed-through
capacitor
capacitor
resistor
2 turns 1.0 mm
copper wire
4 to 29 pF
1 nF
C6
R
L1
12 nF
10
int. diameter 6 mm;
winding pitch 2 mm;
leads 2
×
10 mm
L2
Ferroxcube choke coil Z = 550
;
f = 175 MHz
4312 020 36640
L3
2 turns 1.0 mm
copper wire
int. diameter 5 mm;
winding pitch 2 mm;
leads 2
×
10 mm
int. diameter 10 mm;
winding pitch 2 mm;
leads 2
×
15 mm
L4
3 turns 1.5 mm
copper wire
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