BLW81 查看數據表（PDF） - Philips Electronics
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BLW81 Datasheet PDF : 11 Pages
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Philips Semiconductors
UHF power transistor
OPERATING NOTE
Below 200 MHz a base-emitter resistor of 10 Ω is
recommended to avoid oscillation. This resistor must be
effective for r.f. only.
handbook,2h0alfpage
Gp
(dB)
15
Product specification
BLW81
MGP583
power gain versus frequency
(class-B operation)
10
5
100
Measuring conditions:
VCC = 12,5 V
PL = 10 W
Th = 25 °C
typical values
300
f (MHz)
500
Fig.12
4
handbook, halfpiangpeut impedance (series components)
ri, xi versus frequency (class-B operation)
(Ω)
MGP584
xi
2
ri
ri
0
xi
−2
100
Measuring conditions:
VCC = 12,5 V
PL = 10 W
Th = 25 °C
typical values
300
f (MHz)
500
Fig.13
March 1993
handbook, h8alfpalogaed impedance (parallel components)
RL versus frequency (class-B operation)
(Ω)
CL
7.5
RL
MGP585
0
CL
(pF)
−50
7
CL
RL
−100
6.5
100
Measuring conditions:
VCC = 12,5 V
PL = 10 W
Th = 25 °C
typical values
300
Fig.14
f (MHz)
−150
500
9
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