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2000 Nov 15 4
Philips Semiconductors Preliminary specification
UHF amplifier module BGY280
T
X
/R
X
conversion P
L1
=34dBm; f= 915 MHz
P
L1
(925 MHz) / P
D
(905 MHz)
P
L2
=32dBm; f= 1785 MHz
P
L2
(1765 MHz) / P
D
(1805 MHz)
− 25 − dB
control bandwidth P
L1
= 6 to 34 dBm; P
L2
= 4 to 32 dBm; 1 1.5 − MHz
stability V
S1,2
= 3.2 to 5 V; V
C
= 0 to 2.2 V;
P
D1,2
=0to3dBm; P
L1
<34.8dBm;
P
L2
< 32.5 dBm;
VSWR ≤ 6 : 1 through all phases
−−−60 dBc
ruggedness V
S1,2
=5V; P
D1,2
=0to3dBm;
P
L1
= 34.8 dBm; P
L2
= 32.5 dBm;
VSWR ≤ 6 : 1 through all phases
no degradation
V
S1,2
= 4.2 V; P
D1,2
=0to3dBm;
P
L1
= 34.8 dBm; P
L2
= 32.5 dBm;
VSWR ≤ 10 : 1 through all phases
no degradation
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Fig.2 Load power as a function of control voltage;
typical values.
Z
S
=Z
L
=50Ω; V
S
=3.6V; P
D
=0dBm;
T
mb
=25°C; δ =2:8; t
p
= 575 µs.
20
25
30
35
40
11.522.5
V
C
(V)
P
L
(dBm)
1747.5MHz
897.5MHz
Fig.3 Efficiency as a function of load power;
typical values.
Z
S
=Z
L
=50Ω; V
S
=3.6V; P
D
=0dBm;
T
mb
=25°C; δ =2:8; t
p
= 575 µs.
0
10
20
30
40
50
20 25 30 35 40
P
L
(dBm)
η
(%)
1785MHz
1710MHz
915MHz
880MHz