2000 Nov 15 6
Philips Semiconductors Preliminary specification
UHF amplifier module BGY280
Fig.8 Output amplitude modulation as a function
of load power; typical values.
ZS=Z
L=50Ω; VS=3.6V; P
D=0dBm; T
mb =25°C;
∆f = 100 kHz; input amplitude modulation = 5.4%; δ =2:8; t
p=575µs.
0
10
20
30
40
0 10203040
PL (dBm)
output
AM
(%)
900MHz
1800MHz
Fig.9 Output phase at PD= +0.5 dBm, relatively
to output phase at PD=−0.5 dBm;
typical values.
ZS=Z
L=50Ω; VS=3.6V; P
D=0dBm; T
mb =25°C;
δ=2:8; t
p=575µs.
0
2
4
6
8
-10 0 10 20 30 40
PL (dBm)
AM-PM
(deg/dB)
1800MHz
900MHz
Fig.10 Noise as a function of load power;
typical values.
ZS=Z
L=50Ω; VS=3.6V; P
D=0dBm;
Tmb =25°C; δ=2:8; t
p= 575 µs.
-100
-90
-80
-70
-60
0 10203040
PL (dBm)
noise
(dBm)
RX=1845MHz
RX=942.5MHz