Page 8-4
G900X/G950 Installation and Maintenance Manual – GTX 33
Revision D
190-00719-00
8.2 Electrical
Specifications
Table 8-1. GTX 33 Electrical Specifications
Characteristic
Specification
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 altitude.
Mode S Capability
4096 Identification Codes, Altitude
External Suppression Input
Low
≤
0.5 V; High
≥
8 V
Audio Output
4.04 Vrms to 7.85 Vrms into a 500
Ω
load
Input Voltage
14/28 VDC See the Environmental Qualification Form
for details on surge ratings and minimum/maximum
operating voltages.
Power Input
22 Watts Typical, 45 Watts Maximum
Maximum Full TSO Reply
Rate; 1200 PRF, Code7777
1.6 A @ 27.5 VDC, 3.1 A @13.75 VDC
Maximum Quiescent
0.85 A @ 27.5 VDC, 1.1A @ 13.75 VDC
