Garmin GTX 33 Installation Manual - Page 14

General Specifications, Table 1-3., GTX 33 Installation Manual, Rev. F

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1.7.2 General Specifications Table 1-3. GTX 33 General Specifications Characteristic Regulatory Compliance; GTX 33 w/ES, GTX 33D w/ES Unit Software Complex Electronic Hardware FCC Authorization Temperature Range Altitude Transmitter Frequency Transmitter Power Receiver Frequency Receiver Sensitivity Mode A Capability Mode C Capability Mode S Capability External Suppression Input External Suppression Output Audio Output Specification RTCA DO-160D, DO-181C Environmental Conditions and EUROCAE/ED-73B RTCA DO-178B Level C/D (refer to Section 1.9.1 for specific applicability) RTCA/DO-254 Level C (refer to Section 1.9.1 for specific applicability) Emission Designator 12M0M1D -45°C to +70°C (continuous operation) 55,000 Feet 1090 MHz ±1 MHz 125 Watts minimum, 250 Watts nominal 1030 MHz -74 dBm nominal for 90% replies 4096 Identification Codes 100 Foot Increments from -1000 to 62,700 feet. 25 Foot Increments from -1000 to 50,175 feet with suitable serial data altitude. Selective Identification Codes, Aircraft Type Low ≤ 0.5 V; High ≥ 8 V Output: minimum is +18V (for 300 ohm load) and maximum of +23V (for 2000 ohm load) 4.04 Vrms to 7.85 Vrms into a 500 ohm load GTX 33 Installation Manual Page 1-6 190-00906-00 Rev. F

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GTX 33 Installation Manual
190-00906-00
Page 1-6
Rev. F
1.7.2
General Specifications
Table 1-3.
GTX 33 General Specifications
Characteristic
Specification
Regulatory Compliance;
GTX 33 w/ES, GTX 33D
w/ES
RTCA DO-160D, DO-181C Environmental Conditions
and EUROCAE/ED-73B
Unit Software
RTCA DO-178B Level C/D (refer to Section 1.9.1 for specific
applicability)
Complex Electronic Hard-
ware
RTCA/DO-254 Level C (refer to Section 1.9.1 for specific
applicability)
FCC Authorization
Emission Designator 12M0M1D
Temperature Range
-45°C to +70°C (continuous operation)
Altitude
55,000 Feet
Transmitter Frequency
1090 MHz ±1 MHz
Transmitter Power
125 Watts minimum, 250 Watts nominal
Receiver Frequency
1030 MHz
Receiver Sensitivity
-74 dBm nominal for 90% replies
Mode A Capability
4096 Identification Codes
Mode C Capability
100 Foot Increments from -1000 to 62,700 feet.
25 Foot Increments from -1000 to 50,175 feet with suitable serial data alti-
tude.
Mode S Capability
Selective Identification Codes, Aircraft Type
External Suppression
Input
Low
≤
0.5 V; High
≥
8 V
External Suppression
Output
Output: minimum is +18V (for 300 ohm load) and maximum of +23V (for
2000 ohm load)
Audio Output
4.04 Vrms to 7.85 Vrms into a 500 ohm load