參數(shù)資料
型號: 934006620112
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: 2 CHANNEL, UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: CERAMIC PACKAGE-4
文件頁數(shù): 11/12頁
文件大小: 123K
代理商: 934006620112
October 1992
8
Philips Semiconductors
Product specication
UHF push-pull power MOS transistor
BLF548
Notes
1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.
2. American Technical Ceramics (ATC) capacitor, type 175B or other capacitor of the same quality.
3. American Technical Ceramics (ATC) capacitor, type 100A or other capacitor of the same quality.
4. The striplines are on a double copper-clad printed circuit board, with PTFE fibre-glass dielectric (
εr = 2.2),
thickness 0.79 mm.
5. Cables L2 and L23 are soldered to striplines L1 and L22 respectively.
C13, C16
electrolytic capacitor
10
F, 63 V
2222 030 38109
C18
multilayer ceramic chip capacitor
(note 2)
18 pF
C19
multilayer ceramic chip capacitor
(note 2)
12 pF
C20
multilayer ceramic chip capacitor
(note 2)
8.2 pF
C23, C24
multilayer ceramic chip capacitor
(note 1)
30 pF
L1, L3, L22, L24
stripline (note 4)
34.5
length 66.5 mm
width 4 mm
L2, L23
semi-rigid cable (note 5)
50
length 66.5 mm
width 3.6 mm
L4, L5
stripline (note 4)
22.3
length 35 mm
width 7 mm
L6, L7
stripline (note 4)
22.3
length 10 mm
width 7 mm
L8, L9
stripline (note 4)
22.3
length 5.5 mm
width 7 mm
L10, L11, L16, L17
grade 3B Ferroxcube wideband RF
choke
4312 020 36642
L12, L15
1 turn enamelled 1.5 mm copper
wire
17 nH
length 5 mm
int. dia. 9 mm
leads 2
× 5 mm
L13, L14
stripline (note 4)
22.3
length 15 mm
width 7 mm
L18, L19
stripline (note 4)
22.3
length 36 mm
width 7 mm
L20, L21
stripline (note 4)
22.3
length 8.5 mm
width 7 mm
R1, R5
0.4 W metal lm resistor
24.7 k
2322 151 72473
R2, R6
10 turn potentiometer
5 k
R3, R4
0.4 W metal lm resistor
10.5 k
2322 151 71053
R7, R8
1 W metal lm resistor
10
2322 151 51009
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE NO.
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