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Philips Semiconductors
HF amplifier modules
5
handbook, halfpage
P L
(W)
4
3
2
1
0
0
1
Z
= Z
= 50 ; P
= 10 mW; V
S
L
D
Fig.3
Load power as a function of control voltage;
BGY148A; typical values.
5
handbook, halfpage
P L
(W)
4
3
2
1
0
380
400
Z
= Z
= 50 ; P
= 10 mW; V
S
L
D
Fig.5
Load power as a function of frequency;
BGY148A; typical values.
1998 May 13
MGD553
400 MHz
440 MHz
2
3
4
V C (V)
= 6 V; T
= 25 C.
S
mb
MGD555
420
440
460
f (MHz)
= 6 V; V
= 3.5 V; T
= 25 C.
S
C
mb
60
handbook, halfpage
(%)
40
20
0
0
1
Z
= Z
= 50 ; P
= 10 mW; V
S
L
D
Fig.4
Efficiency as a function of load power;
BGY148A; typical values.
60
handbook, halfpage
(%)
40
20
0
380
400
Z
= Z
= 50 ; P
= 10 mW; V
S
L
D
Fig.6
Efficiency as a function of frequency;
BGY148A; typical values.
4
Product specification
BGY148A; BGY148B
MGD554
440 MHz
400 MHz
2
3
P L (W)
= 6 V; T
= 25 C.
S
mb
MGD556
420
440
f (MHz)
= 6 V; P
= 3 W; T
= 25 C.
S
L
mb
4
460
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