BLW87 データシートの表示（PDF） - Philips Electronics
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BLW87 Datasheet PDF : 11 Pages
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Philips Semiconductors
VHF power transistor
Product specification
BLW87
OPERATING NOTE
Below 50 MHz a base-emitter resistor of 10 Ω is
recommended to avoid oscillation. This resistor must be
effective for r.f. only.
handbook, h5alfpage
MGP657
input impedance (series components)
versus frequency (class-B operation)
ri, xi
(Ω)
ri
ri
xi
0
xi
−5
0
100
200 f (MHz) 300
Typical values; VCE = 13,5 V; PL = 25 W; Th = 25 °C.
Fig.12
handbook,1h0alfpage
MGP658
500
load impedance (parallel components)
versus frequency (class-B operation)
RL
(Ω)
RL
CL
5
RL
CL
(pF)
0
CL
0
0
100
−500
200 f (MHz) 300
Typical values; VCE = 13,5 V; PL = 25 W; Th = 25 °C.
Fig.13
handbook,2h0alfpage
Gp
(dB)
15
MGP659
power gain versus frequency
(class-B operation)
10
5
0
0
100
200 f (MHz) 300
Typical values; VCE = 13,5 V; PL = 25 W; Th = 25 °C.
Fig.14
August 1986
9
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