Datasheet

1997 Oct 29 4
Philips Semiconductors Product specification
NPN 5 GHz wideband transistor BFR93
Fig.2 Intermodulation distortion test circuit.
L2=L3=5µH 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
MEA454
680 pF
240
L1
L2
680 pF
75 Ω
input
75 Ω
output
16 Ω
1.2 k
L3
390
560
680 pF
DUT
+24 V
Ω
Ω
ΩΩΩ
Fig.3 Power derating curve.
handbook, halfpage
0 50 100 200
400
300
100
0
200
MBG246
150
P
tot
(mW)
T
s
(
o
C)
Fig.4 DC current gain as a function of
collector current; typical values.
V
CE
= 5 V; T
j
=25°C.
handbook, halfpage
0102030
120
0
40
80
MCD087
h
FE
I (mA)
C
Fig.5 Collector capacitance as a function of
collector-base voltage; typical values.
I
E
=i
e
= 0; f = 1 MHz; T
j
=25°C.
handbook, halfpage
048 16
1
0
0.8
MEA450
12
0.6
0.4
0.2
20
V
CB
(V)
C
c
(pF)