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PDF BFG480W Data sheet ( Hoja de datos )
| Número de pieza | BFG480W | |
| Descripción | NPN wideband transistor | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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DISCRETE SEMICONDUCTORS
M3D124
BFG480W
NPN wideband transistor
Product specification
Supersedes data of 1998 Jul 09
1998 Oct 21
1 page  
Philips Semiconductors
NPN wideband transistor
Product specification
BFG480W
handboo1k,0h0alfpage
hFE
80
60
40
20
0
0
50
MGR624
100 150
IC (mA)
VCE = 2 V.
Fig.3 DC current gain as a function of collector
current; typical values.
handboo8k,0h0alfpage
Cre
(fF)
600
MGR625
400
200
0
01 234 5
VCB (V)
IC = 0; f = 1 MHz.
Fig.4 Feedback capacitance as a function of
collector-base voltage; typical values.
handbook,3h0alfpage
fT
(GHz)
20
10
MGR626
handbook,3h0alfpage
gain MSG
(dB)
20
S21
10
MGR627
Gmax
0
10 102 IC (mA) 103
f = 2 GHz; VCE = 2 V; Tamb = 25 °C.
Fig.5 Transition frequency as a function of
collector current; typical values.
1998 Oct 21
0
0 40 80 120 160
IC (mA)
f = 900 MHz; VCE = 2 V.
Fig.6 Gain as a function of collector current;
typical values.
5
5 Page 
Philips Semiconductors
NPN wideband transistor
Product specification
BFG480W
handbook, full pagewidth
VC
R1
R2
TR1
C3
RF input
50 Ω
L1
C1 L2
C2
VS
L5
R3 C7
C6
L3
DUT
L4
C5 RF output
50 Ω
C4
MGM221
Fig.18 Common emitter test circuit for class-AB operation at 2 GHz.
List of components used in test circuit (see Figs 18 and 19)
COMPONENT
DESCRIPTION
C1, C5
multilayer ceramic chip capacitor; note 1
C2, C4
multilayer ceramic chip capacitor; note 1
C3, C6
multilayer ceramic chip capacitor, note 1
C7 multilayer ceramic chip capacitor; note 1
L1, L4
stripline; note 2
L2 stripline; note 2
L3 stripline; note 2
L5 Grade 4S2 Ferroxcube chip bead
R1 metal film resistor
R2, R3
metal film resistor
TR1 NPN transistor
VALUE
24 pF
2 pF
15 pF
1 nF
100 Ω
50 Ω
50 Ω
220 Ω; 0.4 W
10 Ω; 0.4 W
BC817
DIMENSIONS CATALOGUE No.
18 x 0.2 mm
5 x 0.8 mm
6 x 0.8 mm
4330 030 36300
9335 895 20215
Notes
1. American Technical Ceramics type 100A or capacitor of same quality.
2. The striplines are on a double copper-clad printed-circuit board with PTFE fibre-glass dielectric (εr = 6.15,
tan δ = 0.0019); thickness 0.64 mm, copper cladding = 35 µm.
1998 Oct 21
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet BFG480W.PDF ] | |
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