Philips BGY148A Stereo Amplifier User Manual


 
1998 May 13 7
Philips Semiconductors Product specification
HF amplifier modules BGY148A; BGY148B
Fig.14 Control voltage and input VSWR as functions
of frequency; BGY148B; typical values.
Z
S
=Z
L
=50; P
D
= 10 mW; V
S
= 6 V; P
L
= 3 W; T
mb
=25°C.
handbook, halfpage
4
V
C
(V)
VSWR
in
3.0
2.5
2.0
1.5
1.0
500480
f (MHz)
440420
3
2
1
0
MGD563
460
VSWR
in
V
C
Fig.15 Harmonics as a function of frequency;
BGY148B; typical values.
Z
S
=Z
L
=50; P
D
= 2 mW; V
S
= 4.8 V; P
L
= 3 W; T
mb
=25°C.
30
40
70
60
50
420
440 460 480
f (MHz)
MGD564
500
H
2,
H
3
(dBc)
H
3
H
2
Fig.16 Load power as a function of mounting base
temperature; BGY148B; typical values.
Z
S
=Z
L
=50; P
D
= 2 mW; V
S
= 4.8 V; T
mb
=25°C.
handbook, halfpage
25 100
5
0
1
2
3
4
P
L
(W)
T
mb
(
o
C)
0255075
MDA205
430 MHz
488 MHz