參數(shù)資料
型號(hào): BLU99
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: UHF power transistor
中文描述: UHF BAND, Si, NPN, RF POWER TRANSISTOR
封裝: CERAMIC, SOT-122A, 4 PIN
文件頁數(shù): 6/17頁
文件大?。?/td> 110K
代理商: BLU99
March 1993
6
Philips Semiconductors
Product specification
UHF power transistor
BLU99
BLU99/SL
APPLICATION INFORMATION
(part I)
R.F. performance in c.w. operation (common-emitter class-B circuit) at f = 470 MHz; T
h
= 25
°
C.
List of components:
Note
1.
American Technical Ceramics capacitor type 100 A or capacitor of same quality.
MODE OF OPERATION
V
CE
V
P
L
W
P
S
W
G
p
dB
I
C
A
η
C
%
narrow band; c.w.
12,5
5
<
typ.
0,45
>
0,32 typ.
10,5
12
<
typ.
0,665
>
0,60
60
66
typ.
C1
C2
C3
C4
C5
C6
L1
L2
L3
L5
L6
L7
R1
L1 and L6 are striplines on a double Cu-clad printed circuit board with P.T.F.E. fibre-glass dielectric (
ε
r
= 2,74) and a
thickness of
1
16
inch.
=
=
=
=
=
=
=
=
=
=
=
=
=
2,7 pF multilayer ceramic chip capacitor
(1)
C7 = C8 = 1,4-5,5 pF film dielectric trimmer (cat.no. 2222 809 09001)
7,5 pF multilayer ceramic chip capacitor
(1)
2-9 pF film dielectric trimmer (cat.no. 2222 809 09002)
100 pF multilayer ceramic chip capacitor (cat. no. 2222 852 13101)
100 nF metallized film capacitor (cat. no. 2222 352 45104)
stripline, 22,5 mm
×
6,0 mm
1 turn Cu-wire (1,0 mm), int. dia. 5,5 mm, leads 2
×
5 mm
L4 = Ferroxcube wideband h.f. choke, grade 3B (cat. no. 4312 020 36642)
4 turns enamelled Cu-wire (1,0 mm), int. dia. 6 mm, length 7,5 mm, leads 2
×
5 mm
stripline, 10,0 mm
×
6,0 mm
1 turn Cu-wire (1,0 mm), int. dia. 5 mm, leads 2
×
5 mm
R2 = 10
metal film resistor, 0,25 W
Fig.8 Class-B test circuit at f = 470 MHz.
handbook, full pagewidth
MDA365
T.U.T.
C1
C2
C4
C3
L1
L2
L5
L4
C5
C6
L3
R1
L6
50
50
C8
C7
L7
+
VCC
R2
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