Philips BGY148A - Manual (Page 4)

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