- 12 -
I
II
I ELECTRICAL CHARACTERISTICS
Conditions: V
DD
=2.8V, V
CTL
=1.8V, Z
s
=Z
l
=50
Ω
, with application circuit
0
5
10
15
20
-60 -40 -20 0 20 40 60 80 100 120
Return Loss (dB)
Temperature (
o
C)
RLin
Return Loss vs. Temperature
(V
DD
=2.8V, V
CTL
=1.8V, fRF=1575MHz)
RLout
50
60
70
80
90
100
-60 -40 -20 0 20 40 60 80 100 120
Rejection (dBc)
Temperature (
o
C)
1980MHz
Rejection vs. Temperature
(V
DD
=2.8V, V
CTL
=1.8V)
915MHz
2500MHz
0
5
10
15
20
-60 -40 -20 0 20 40 60 80 100 120
Group Delay Time Deviation (nsec)
Temperature (
o
C)
Group Delay Time Deviation
vs. Temperature
(V
DD
=2.8V, V
CTL
=1.8V, fRF=1597~1606MHz)
0
1
2
3
4
5
6
7
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-60 -40 -20 0 20 40 60 80 100 120
I
DD
(mA) @active mode
I
DD
(uA) @stand-by mode
Temperature (
o
C)
I
DD
(stand-by mode)
I
DD
vs. Temperature
(V
DD
=2.8V, V
CTL
=1.8V/0V, RF OFF)
I
DD
(active mode)
10
12
14
16
18
20
22
24
0
0.5
1
1.5
2
2.5
3
3.5
-60 -40 -20 0 20 40 60 80 100 120
Gain (dB)
Noise Figure (dB)
Temperature (
o
C)
NF
Gain, NF vs. Temperature
(V
DD
=2.8V, V
CTL
=1.8V, fRF=1575MHz)
Gain
(Gain, NF: Exclude PCB, Connector Losses)
0
1
2
3
4
5
0 5 10 15 20
k-factor
frequency(GHz)
k-factor vs. frequency
(V
DD
=2.8V, V
CTL
=1.8V)
-40
o
C
-25
o
C
0
o
C
+25
o
C
+50
o
C
+85
o
C