BLU99_SL 데이터 시트보기 (PDF) - Philips Electronics
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BLU99_SL Datasheet PDF : 17 Pages
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Philips Semiconductors
UHF power transistor
Product specification
BLU99
BLU99/SL
APPLICATION INFORMATION (part I)
R.F. performance in c.w. operation (common-emitter class-B circuit) at f = 470 MHz; Th = 25 °C.
MODE OF OPERATION
VCE
V
PL
PS
Gp
IC
ηC
W
W
dB
A
%
narrow band; c.w.
< 0,45 > 10,5 < 0,665 > 60
12,5
5
typ. 0,32 typ. 12 typ. 0,60 typ. 66
handbook, full pagewidth
50 Ω
C1
C2
,,,, ,,L6
T.U.T.
L7
L1
L5
C8
C7
50 Ω
C4
C3
L2
C5
C6 R2
L3
R1
L4
+VCC
MDA365
Fig.8 Class-B test circuit at f = 470 MHz.
List of components:
C1 = 2,7 pF multilayer ceramic chip capacitor(1)
C2 = C7 = C8 = 1,4-5,5 pF film dielectric trimmer (cat.no. 2222 809 09001)
C3 = 7,5 pF multilayer ceramic chip capacitor(1)
C4 = 2-9 pF film dielectric trimmer (cat.no. 2222 809 09002)
C5 = 100 pF multilayer ceramic chip capacitor (cat. no. 2222 852 13101)
C6 = 100 nF metallized film capacitor (cat. no. 2222 352 45104)
L1 = stripline, 22,5 mm × 6,0 mm
L2 = 1 turn Cu-wire (1,0 mm), int. dia. 5,5 mm, leads 2 × 5 mm
L3 = L4 = Ferroxcube wideband h.f. choke, grade 3B (cat. no. 4312 020 36642)
L5 = 4 turns enamelled Cu-wire (1,0 mm), int. dia. 6 mm, length 7,5 mm, leads 2 × 5 mm
L6 = stripline, 10,0 mm × 6,0 mm
L7 = 1 turn Cu-wire (1,0 mm), int. dia. 5 mm, leads 2 × 5 mm
R1 = R2 = 10 Ω metal film resistor, 0,25 W
L1 and L6 are striplines on a double Cu-clad printed circuit board with P.T.F.E. fibre-glass dielectric (εr = 2,74) and a
thickness of 1⁄16 inch.
Note
1. American Technical Ceramics capacitor type 100 A or capacitor of same quality.
March 1993
6
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