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BLS2731-50,114
P1-P3
P4-P6
P7-P8
1998 Jan 30
4
Philips Semiconductors
Product specification
Microwave power transistor
BLS2731-50
V
CB
= 40 V; class-C; t
p
= 100
µ
s;
δ
= 10%.
(1)
f = 3.1 GHz.
(2)
f = 2.7 GHz.
(3)
f = 2.9 GHz.
Fig.2
Load power as a function of drive power;
typical values.
handbook, halfpage
01
0
60
0
20
40
2
468
MGM533
P
L
(W)
P
D
(W)
(1)
(2)
(3)
Fig.3
Power gain as function of frequency;
typical values.
V
CB
= 40 V; class-C; P
L
= 50 W; t
p
= 100
µ
s;
δ
= 10%.
handbook, halfpage
2.6
12
8
4
0
2.8
3
3.2
MGM534
f (GHz)
G
p
(dB)
Fig.4
Input impedance as function of frequency
(series components); typical values.
V
CB
= 40 V; class-C; P
L
=5
0W
.
handbook, halfpage
2.6
2.8
3
3.2
16
12
4
0
8
MGM535
f (GHz)
Z
i
(
Ω
)
r
i
x
i
Fig.5
Load impedance as function of frequency
(series components); typical values.
V
CB
= 40 V; class-C; P
L
=5
0W
.
handbook, halfpage
2.6
2.8
3
3.2
f (GHz)
Z
L
(
Ω
)
X
L
R
L
12
−
8
8
4
0
−
4
MGM536
1998 Jan 30
5
Philips Semiconductors
Product specification
Microwave power transistor
BLS2731-50
Fig.6 Component layout for 2.7 to 3.1 GHz class-C test circuit.
Dimensions in mm.
The components are situated on one side of the copper-clad printed-circuit board with Duroid dielectric (
ε
r
= 2.2), thickness 0.38 mm.
The other side is unetched and serves as a ground plane.
C1 = ATC 200A 10 nF
C2 = ATC 100A 10 pF
C3 = ATC 700A 150 pF
C4 = Tekelec trimmer 37281SL 0.4 to 2.5 pF.
handbook, full pagewidth
MGM537
C1
C2
C3
C4
output
input
40
30
30
1998 Jan 30
6
Philips Semiconductors
Product specification
Microwave power transistor
BLS2731-50
P
ACKAGE OUTLINE
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
SOT422A
97-12-24
0
5
10 mm
scale
Flanged hermetic ceramic package; 2 mounting holes; 2 leads
SOT422A
UNIT
Q
cD
E
1
E
FH
p
q
mm
0.13
0.08
b
5.21
4.95
10.29
10.03
9.93
9.68
8.76
8.51
D
1
10.29
10.03
1.58
1.47
21.61
21.08
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)
3.43
3.18
16.51
22.99
22.73
U
2
U
1
9.91
9.65
0.25
w
2
w
1
0.76
A
5.72
4.83
3.35
2.92
inches
0.005
0.003
0.205
0.195
0.405
0.395
0.391
0.381
0.345
0.335
0.405
0.395
0.062
0.058
0.89
0.83
0.135
0.125
0.65
0.905
0.895
0.390
0.380
0.01
0.03
0.225
0.190
0.132
0.115
D
D
1
q
U
1
A
U
2
E
1
E
p
b
H
1
3
2
Q
F
c
M
C
C
A
w
2
B
w
1
AB
M
P1-P3
P4-P6
P7-P8
BLS2731-50,114
Mfr. #:
Buy BLS2731-50,114
Manufacturer:
Description:
RF TRANS NPN 75V 3.1GHZ CDFM2
Lifecycle:
New from this manufacturer.
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