Philips BGY148A - Manual (Page 7)

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
Ω
; P
D
= 10 mW; V
S
= 6 V; P
L
= 3 W; T
mb
= 25
°
C.
handbook, halfpage
4
VC
(V)
VSWRin
3.0
2.5
2.0
1.5
1.0
500 480
f (MHz)
440 420
3
2
1
0
MGD563
460
VSWRin
VC
Fig.15 Harmonics as a function of frequency;
BGY148B; typical values.
Z
S
= Z
L
= 50
Ω
; 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
H2, H3
(dBc)
H3
H2
Fig.16 Load power as a function of mounting base
temperature; BGY148B; typical values.
Z
S
= Z
L
= 50
Ω
; P
D
= 2 mW; V
S
= 4.8 V; T
mb
= 25
°
C.
handbook, halfpage
− 25 100
5
0
1
2
3
4
PL
(W)
Tmb ( o C)
0 25 50 75
MDA205
430 MHz
488 MHz