Philips Semiconductors
Preliminary specification
UHF amplifier module
BGY280
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX.
UNIT
dB
TX / RX conversion
PL1 = 34 dBm; f = 915 MHz
−
25
−
PL1 (925 MHz) / PD (905 MHz)
PL2 = 32 dBm; f = 1785 MHz
PL2 (1765 MHz) / PD (1805 MHz)
control bandwidth
stability
PL1 = 6 to 34 dBm; PL2 = 4 to 32 dBm;
VS1,2 = 3.2 to 5 V; VC = 0 to 2.2 V;
1
1.5
−
MHz
dBc
−
−
−60
P
P
D1,2 = 0 to 3 dBm; PL1 < 34.8 dBm;
L2 < 32.5 dBm;
VSWR ≤ 6 : 1 through all phases
ruggedness
VS1,2 = 5 V; PD1,2 = 0 to 3 dBm;
no degradation
no degradation
PL1 = 34.8 dBm; PL2 = 32.5 dBm;
VSWR ≤ 6 : 1 through all phases
VS1,2 = 4.2 V; PD1,2 = 0 to 3 dBm;
PL1 = 34.8 dBm; PL2 = 32.5 dBm;
VSWR ≤ 10 : 1 through all phases
40
50
PL
(dBm)
η
(%)
897.5MHz
40
30
20
10
0
35
30
25
20
1747.5MHz
1785MHz
1710MHz
915MHz
880MHz
1
1.5
2
2.5
20
25
30
35
40
PL (dBm)
VC (V)
ZS = ZL = 50 Ω; VS = 3.6 V; PD = 0 dBm;
Tmb = 25 °C; δ = 2 : 8; tp = 575 µs.
ZS = ZL = 50 Ω; VS = 3.6 V; PD = 0 dBm;
Tmb = 25 °C; δ = 2 : 8; tp = 575 µs.
Fig.2 Load power as a function of control voltage;
typical values.
Fig.3 Efficiency as a function of load power;
typical values.
2000 Nov 15
4