Philips Semiconductors
HF amplifier modules
Product specification
BGY148A; BGY148B
4
handbook, halfpage
VC
(V)
3
2
1
MGD563
3.0
VSWRin
2.5
VC
2.0
VSWRin
1.5
0
1.0
420
440
460
480
500
f (MHz)
ZS = ZL = 50 Ω; PD = 10 mW; VS = 6 V; PL = 3 W; Tmb = 25 °C.
Fig.14 Control voltage and input VSWR as functions
of frequency; BGY148B; typical values.
−30
H2, H3
(dBc)
−40
−50
−60
MGD564
H2
H3
−70
420
440
460
480
500
f (MHz)
ZS = ZL = 50 Ω; PD = 2 mW; VS = 4.8 V; PL = 3 W; Tmb = 25 °C.
Fig.15 Harmonics as a function of frequency;
BGY148B; typical values.
handbook, h5alfpage
PL
(W)
4
3
2
MDA205
430 MHz
488 MHz
1
0
−25
0
25
50
75
100
Tmb (oC)
ZS = ZL = 50 Ω; PD = 2 mW; VS = 4.8 V; Tmb = 25 °C.
Fig.16 Load power as a function of mounting base
temperature; BGY148B; typical values.
1998 May 13
7