Garmin GA 35 Installation Instructions Manual - page 8
Page 1-2
GA 35, GA 36, and GA 37 Antenna Installation Instructions
Revision B
190-00848-00
1.3.2 GPS/WAAS Electrical Specifications (GA 35, GA 36 and GA 37)
Table 1-3. GPS/WAAS Electrical Specifications
Characteristics Specifications
Frequency Range
1575 + 10 MHz
Gain
27 + 0.5 dB @ +25°C nominal and + 2.0 dB over temperature
with respect to nominal
Noise Figure
2.5 dB max over temperature
Nominal Output Impedance
50 ohms
Supply Voltage
4.5 VDC + 0.5 VDC
Supply Current
60 mA max
Output Connector
TNCF
1.3.3 XM Electrical Specifications (GA 37 Only)
Table 1-4. XM Antenna Specifications
Characteristics Specifications
Frequency Range
2332.5 to 2345 MHz
Gain
24 ± 2 dB
Noise Figure
1.5 dB max
Nominal Output Impedance
50 ohms
Supply Voltage
4.5 VDC + 0.5 VDC
Supply Current
55 mA
Output Connector
TNCF
1.3.4 Environmental
Specifications
It is the responsibility of the installing agency to obtain the latest revisions of the GA 3X Environmental
Qualifications. The Environmental Categories are available on the Aero Antenna Drawing. To obtain a
copy of these drawings, see the ‘Dealers Only’ portion of the Garmin website, www.garmin.com.
Table 1-5. Part Numbers/Drawing Numbers
Item
Garmin Part Number
Aero Antenna Environmental Qualification Drawing Number
GA 35
013-00235-00
TSO575-93G
GA 36
013-00244-00
TSO575-93G
GA 37
013-00245-00
TSO2300-126G
1.4 Certification
1.4.1 GA
35
The GA 35 is compliant with TSO C144.
1.4.2 GA
36
The GA 36 is compliant with TSO C144.
1.4.3 GA
37
The GPS/WAAS function of the GA 37 is compliant to TSO C144. The XM function of the GA 37 is
compatible with the Garmin GDL 69 and GDL 69A.