MR 109–( ) OPERATION MANUAL
T01008-MRR-0000
/
Issue:
a
Page
24
Repetition period
:
50 sec +/- 5% (randomised)
7.7. Transmitter
121.5
MHz
Operating Frequency
:
121,5 MHz
Frequency accuracy
:
≤
+/- 30 * 10
-6
RF output power
:
19 dBm
±
2 dBm PERP
Transmit duty cycle
:
100% (Continuous)
Modulation
: 3K20A3X
(2K00A2A during Morse “P” transmission)
Modulation sweep frequency
:
1390 Hz ± 10 Hz to 310 Hz ± 10 Hz
Modulation duty cycle
:
36%
Sweep freq. repetition rate
:
3 Hz ± 1 Hz
Sweep direction
:
Upwards: transmission of 406.028MHz and 121.5 Mhz,
Downwards: after 25 hours transmission of only 121.5 Mhz.
7.8. Transmitter
antenna
Type
: Ultra
flexible
monopole
antenna
Characteristics
: Vertically
polarized,
omni
directional.
7.9.
Built In Navigation device
System
: GPS
Frequency
: 1575,42
MHz
Received signal sensitivity
:
-173 dBW (-143 dBm)
Channels
: 8
channels
Antenna : ceramic
dielectric
patch
Antenna characteristics
:
RH circular polarized, gain +3dBi nominal
7.10.
IR communication Interface
Programming and test
:
Bi directional infrared port.
Protocol : RS232
Rate
: 1200
bauds
7.11. Software
MCU software has been developed according RTCA DO 178B, level D.
(However the software certification has not been performed)