User's Manual
TT21/TT22 Transponder Installation Manual 13 July 2009
00560-00 Issue AF
______________________
Trig Avionics Limited Page 5
Physical Specifications (in
the mounting tray)
Height
48mm (1.9”)
Width
66mm (2.5”)
Length
160mm (6.3”)
Weight
0.77lbs. (350 g)
3.2 TT22 Transponder Unit (00745-00)
Specification
Characteristics
Compliance
ETSO 2C112b Class 1 Level 2els, ETSO
C166a Class B0
FCC Identification
VZI00745
Applicable documents
EUROCAE ED-73B, EUROCAE ED-14F
(RTCA DO-160F), RTCA DO-181D, RTCA
DO-260A change 2
Software
ED-12B (RTCA DO-178B) Level B
Hardware
DO-254 Level C
Power Requirements
11 – 33 Volts DC. Typical 6 Watts @ 14Volts.
Altitude
35,000 feet
Humidity
Tested to Category A in DO-160F
Operating Temperature
-20°C to +70°C
Transmitter Frequency
1090MHz ± 1MHz
Transmitter Power
250 Watts nominal; 125 Watts minimum at
antenna after allowing for 0.5dB connector
losses and 1.5dB cable losses.
Transmitter Modulation
6M75 V1D