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1998 May 13 6
Philips Semiconductors Product specification
HF amplifier modules BGY148A; BGY148B
Fig.10 Load power as a function of control voltage;
BGY148B; typical values.
Z
S
=Z
L
=50Ω; P
D
= 10 mW; V
S
= 6 V; T
mb
=25°C.
handbook, halfpage
01
P
L
(W)
43
5
0
4
MGD559
2
V
C
(V)
3
2
1
430 MHz
488 MHz
Fig.11 Efficiency as a function of load power;
BGY148B; typical values.
Z
S
=Z
L
=50Ω; P
D
= 10 mW; V
S
= 6 V; T
mb
=25°C.
handbook, halfpage
0
60
40
20
0
12
P
L
(W)
43
MGD560
η
(%)
430 MHz
488 MHz
Fig.12 Load power as a function of frequency;
BGY148B; typical values.
Z
S
=Z
L
=50Ω; P
D
= 10 mW; V
S
= 6 V; V
C
= 3.5 V; T
mb
=25°C.
handbook, halfpage
420 440
P
L
(W)
500480
5
0
4
MGD561
460
f (MHz)
3
2
1
Fig.13 Efficiency as a function of frequency;
BGY148B; typical values.
Z
S
=Z
L
=50Ω; P
D
= 10 mW; V
S
= 6 V; P
L
= 3 W; T
mb
=25°C.
handbook, halfpage
420
60
40
20
0
440 460
f (MHz)
500480
MGD562
η
(%)