Philips BGY148A - Manual (Page 6)

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
= 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
MGD559
2
VC (V)
3
2
1
430 MHz
488 MHz
Fig.11 Efficiency as a function of load power;
BGY148B; 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
MGD560
η
(%)
430 MHz
488 MHz
Fig.12 Load power as a function of frequency;
BGY148B; 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
420 440
PL
(W)
500 480
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
= 50
Ω
; 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)
500 480
MGD562
η
(%)