Phase center - Group Delay - Rejection - L1 L2 Antenna
6
Maxtena, Inc. 7362 Calhoun Place Suite 102, Rockville, MD 20855 www.maxtena.com
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Transcript of Phase center - Group Delay - Rejection - L1 L2 Antenna
Maxtena, Inc.7362 Calhoun Place Suite 102, Rockville, MD 20855
www.maxtena.com
www.maxtena.com
L1 Phase center located along axis of symmetry of the antenna
• 31.8 mm above mounting base• 19.2 mm below top face
L1 Phase Center
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L2 Phase center located along axis of symmetry of the antenna
• 34.2 mm above mounting base• 16.8 mm below top face
L2 Phase Center
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0102030405060708090
1.5
60
GH
z
1.5
64
GH
z
1.5
68
GH
z
1.5
72
GH
z
1.5
76
GH
z
1.5
80
GH
z
1.5
84
GH
z
1.5
88
GH
z
1.5
92
GH
z
1.5
96
GH
z
1.6
00
GH
z
1.6
04
GH
z
1.6
08
GH
z
Group Delay L1 GPS/GLONASS
2.5 V
3 V
3.3 V
0
20
40
60
80
100
120
1.2
15
GH
z
1.2
18
GH
z
1.2
21
GH
z
1.2
24
GH
z
1.2
27
GH
z
1.2
30
GH
z
1.2
33
GH
z
1.2
36
GH
z
1.2
39
GH
z
1.2
42
GH
z
1.2
45
GH
z
1.2
48
GH
z
Group Delay L2 GPS/GLONASS
2.5 V
3 V
3.3 V
Group Delay
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-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1.000 1.050 1.100 1.150 1.200 1.250 1.300 1.350
Filtering Response (L2)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1.400 1.450 1.500 1.550 1.600 1.650 1.700 1.750 1.800
Filtering Response (L1)
Response does not include additional selectivity of antenna
Filtering Characteristics
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Response does not include additional selectivity of antenna
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1.515 1.520 1.525 1.530 1.535 1.540 1.545 1.550 1.555 1.560
LightSquared Band Rejection
LightSquared Tx Band Rejection
