BLT71 Просмотр технического описания (PDF) - Philips Electronics
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BLT71 Datasheet PDF : 12 Pages
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Philips Semiconductors
UHF power transistor
Product specification
BLT71
APPLICATION INFORMATION
RF performance at Ts ≤ 60 °C in a common emitter test circuit.
MODE OF OPERATION
f
(MHz)
VCE
(V)
ICQ
(mA)
PL
(W)
Gp
(dB)
ηC
(%)
CW, class-AB
900
4.8
1
1.2
≥6
≥60
Ruggedness in class-AB operation
The BLT71 is capable of withstanding a load mismatch corresponding to VSWR = 6 : 1 through all phases under the
following conditions: PL = 1.2 W; VCE = 6.5 V; f = 900 MHz.
10
handbook, halfpage
Gp
(dB)
Gp
8
η
6
MLD132
100
η
(%)
80
60
4
40
2
20
0
0
0
0.4
0.8
1.2
1.6
2
P L (W)
VCE = 4.8 V.
ICQ = 1 mA.
f = 900 MHz.
Fig.5 Power gain and efficiency as functions
of load power; typical values.
handbook2, .h0alfpage
PL
(W)
1.6
MLD133
1.2
0.8
0.4
0
0
100
200
300
400
500
Pi (mW)
VCE = 4.8 V.
ICQ = 1 mA.
f = 900 MHz.
Fig.6 Load power as a function of input
power; typical values.
1995 Aug 17
209
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