Technical Specifications - Garmin GTX 330 Installation Manual

BDS register information is presented for the installation agency to understand the functionality of the
GTX 330, and make a determination that the unit complies with the requirements of their civil aviation
authorities. No further wiring or configuration programming is required for the unit.
Note that BDS (3,0) is only required for transponders compatible with ACAS/TCAS II. The GTX 330
does not support BDS (3,0).
1.6

Technical Specifications

The following table presents general environmental specifications. For detailed specifications, see the
Environmental Qualification form in Appendix A.
1.6.1 Electrical Specifications
Specification
TSO, JTSO; GTX 330
TSO, JTSO; GTX 330D
TSO ENV CAT
FCC Authorization
Applicable Documents
Unit Software
Temperature Range
Power Requirements
Humidity
Altitude
Transmitter Frequency
Transmitter Power
Receiver Frequency
Receiver Sensitivity
Mode A Capability
Mode C Altitude Capability
Mode S Altitude Capability
Mode S Capability
External Suppression Input
Audio Output
* Note: Refer to Paragraph 1.6.3 Configurations Available, for TSO class.
Page 1-4
Revision G
Characteristic
TSO-C112*, JTSO-2C112a.
TSO-C112*, JTSO-2C112a.
Refer to Appendix A
Emission Designator 12M0M1D
RTCA DO-160D, DO-181C, EuroCAE ED-73A
RTCA DO-178B Level D
-45°C to +70°C (continuous operation)
11.0 to 33.0 Vdc; Power Input: 22 watts typical, 45
watts maximum
95% @ +50°C for 6 hours; 85% @ +38°C for 16 hours;
Tested to Category A in DO-160D
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. 100 Foot Increments from
-1000 to 62,700 feet.
Selective Identification Codes, Aircraft Type
Low ≤ 0.5 V; High ≥ 8 V
4.04 Vrms to 7.85 Vrms into a 500 load
GTX 330 Installation Manual
190-00207-02