參數(shù)資料
型號: BLW30
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: VHF power transistor
中文描述: VHF BAND, Si, NPN, RF POWER TRANSISTOR
封裝: CERAMIC, SOT-120A, 4 PIN
文件頁數(shù): 7/11頁
文件大?。?/td> 72K
代理商: BLW30
September 1991
7
Philips Semiconductors
Product specification
VHF power transistor
BLW30
List of components (see test circuit)
Notes
1.
2.
The striplines are on a double copper-clad printed circuit board, with epoxy fibre-glass dielectric, thickness
1
16
inch.
Taps for capacitors C3a and C3b are situated 5 mm from the transistor.
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE NO.
C1
C2, C7
C3a, C3b
C4
C5
C6
L1
film dielectric trimmer
film dielectric trimmer
500 V ceramic capacitor
ceramic capacitor
polyester capacitor
film dielectric trimmer
1
2
turn enamelled 1.6 mm copper wire
2.5 to 20 pF
4 to 40 pF
47 pF
120 pF
100 nF
7 to 100 pF
2222 809 07004
2222 809 07008
2222 809 07015
int. dia. 6 mm;
leads 2
×
5 mm
int. dia. 3 mm;
leads 2
×
5 mm
L2
7 turns closely wound enamelled 0.5 mm
copper wire
grade 3B Ferroxcube wideband HF choke
stripline (note 1)
100 nH
L3, L7
L4, L5
4312 020 36640
12 mm
×
6 mm;
note 2
int. dia. 6 mm;
leads 2
×
5 mm
int. dia. 6 mm;
leads 2
×
5 mm
L6
3
1
2
turns closely wound enamelled
1.6 mm copper wire
1 turn enamelled 1.6 mm copper wire
L8
R1, R2
0.25 W carbon resistor
10
, 5%
Fig.8 Class-B test circuit at f = 175 MHz.
handbook, full pagewidth
MGP427
50
50
C2
L2
C3b
C1
C7
C4
R2
C5
C6
L4
L5
+
VCC
L8
L6
L7
L1
L3
C3a
T.U.T.
R1
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