Datasheet

November 1992 5
NXP Semiconductors Product specification
PNP 5 GHz wideband transistor BFT93
Fig.2 Intermodulation distortion test circuit.
L2 = L3 = 5 H Ferroxcube choke, catalogue
number 3122 108 20150.
L1 = 4 turns 0.35 mm copper wire; winding pitch
1 mm; internal diameter 4 mm.
handbook, halfpage
MEA383
16 Ω
L2
680 pF
input
75 Ω
240 Ω
680 pF
680 pF
DUT
output
75 Ω
L1
L3
1.2 kΩ
560 Ω
24 V
390 Ω
Fig.3 DC current gain as a function of collector
current.
V
CE
= 5V; T
j
=25C.
handbook, halfpage
0
60
40
20
10 20 40
MEA382
30
–I (mA)
C
FE
h
10
Fig.4 Collector capacitance as a function of
collector-base voltage.
I
E
=i
e
= 0; f = 1 MHz; T
j
=25C.
handbook, halfpage
MEA925
016
2.0
0
1.6
20
1.2
0.4
C
c
(pF)
V
CB
(V)
4
0.8
812
Fig.5 Transition frequency as a function of
collector current.
V
CE
= 5 V; f = 500 MHz; T
j
=25C.
handbook, halfpage
MEA381
01020 40
6
0
4
–I (mA)
C
f
T
(GHz)
2
30