參數(shù)資料
型號: BLT81
廠商: NXP Semiconductors N.V.
元件分類: 功率晶體管
英文描述: UHF power transistor
封裝: BLT81<SOT223 (SC-73)|<<http://www.nxp.com/packages/SOT223.html<1<week 34, 2003,;
文件頁數(shù): 7/12頁
文件大小: 81K
代理商: BLT81
1996 May 09
7
Philips Semiconductors
Product specification
UHF power transistor
BLT81
List of components used in test circuit
(see Figs 7 and 8)
Notes
1.
2.
American Technical Ceramics type 100B or capacitor of same quality.
The striplines are on a double copper-clad printed-circuit board, with PTFE fibre-glass dielectric (
ε
r
= 2.2); thickness
1
16
"; thickness of the copper sheet 35
μ
m.
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE No.
C1, C14
C2
C3, C5, C11, C13
C4
C6, C7, C10
C8
C9
C12
L1
multilayer ceramic chip capacitor; note 1 100 pF
multilayer ceramic chip capacitor; note 1 3 pF
film dielectric trimmer
multilayer ceramic chip capacitor; note 1 5.6 pF
multilayer ceramic chip capacitor; note 1 5.1 pF
multilayer ceramic chip capacitor; note 1 3.6 pF
multilayer ceramic chip capacitor; note 1 220 pF
multilayer ceramic chip capacitor;
stripline; note 2
1.4 to 5.5 pF
2222 809 09004
1 nF
50
length 26.6 mm
width 4.85 mm
int. dia. 4.5 mm
leads 2
×
5 mm
L2
10 turns enamelled 0.6 mm copper wire
250 nH
L3, L9
grade 3B Ferroxcube wideband
HF choke
stripline; note 2
4312 020 36640
L4
50
length 18 mm
width 4.85 mm
length 3.5 mm
width 2.5 mm
length 10 mm
width 4.85 mm
int. dia. 4.5 mm
leads 2
×
5 mm
length 15 mm
width 4.85 mm
length 24.6 mm
width 4.85 mm
L5
stripline; note 2
75
L6
stripline; note 2
50
L7
4 turns enamelled 0.6 mm copper wire
65 nH
L8
stripline; note 2
50
L10
stripline; note 2
50
R1, R2
metal film resistor
10
, 0.25 W
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