KX 155A
- Solid state, gas discharge digital display NAV/COMM Transceiver
- 760 frequency COMM available with 32 programmable COMM channels
- 200-channel NAV receiver
- 40-channel glideslope receiver
- 10Wpower output
- 28V version available only
- FM immune compliant for ICAO Annex 10 (European use)
- Push button frequency flip-flop with display of active and standby NAV and COMM frequencies
- Remote channel increment capability and fli-flop tuning for applications where pilot cannot take hands off yoke such as helicopter operators
- Stuck microphone alert allows COMM transceiver to automatically shut down if microphone is keyed continuously for more than 33 seconds
- Bearing-to-station mode and radial-from-station mode on display
- Includes elapsed-time and approach timer that can be programmed to count either up or downwards
- Built-in 4 Ohm audio amplifier standard
- Internal Course Deviation Indicator (CDI) included for such times when external CDI is being driven by GPS receiver
- Backlighting of bezel nomenclature and knobs standard
- New display doubles amount of available presentation space from one line to two
- Used with KI-203/208 VOR/LOC or KI-204/209 VOR/LOC/GS indicators or can be used with KI-525A HSI as part of the KCS-55A compass system (KN-72 VOR/LOC converter required)
- TSO'd
DIMENSIONS |
6.25"W x 2.00"H x 10.16"L |
WEIGHT |
4lbs |
TEMPERATURE RANGE |
-20 to 55°C |
ALTITUDE |
50 000 feet |
FREQUENCY TOLERANCE (COMM) |
0.003% to meet DO-186A Class C&D |
POWER OUTPUT (COMM) |
10W nominal |
MODULATION (COMM) |
70% modulation capability with 90% limiting, less than 15% distortion at 85% modulation. Audio leveling circuit used |
SIDETONE OUTPUT (COMM) |
Adjustable up to 100mW into 500 ohm headphone |
RECEIVER SENSITIVITY (COMM) |
2uV (hard) or less for 6 dB S N/N with 1000 Hz tone modulated 30% |
RECEIVER SELECTIVITY (COMM) |
(25Khz SEL): 6dB bandwidth more or less 8.4kHz, 60dB bandwidth more or less 22.0kHz; |
SPURIOUS RESPONSE (COMM) |
at least 60dB down |
HARMONIC CONTENT |
-56 dBc, min. Typically greater than -60 dBc |
SQUELCH |
Automatic squelch with manual disable and carrier squelch override. Both squelch adjustments are externally accessible |
FREQUENCY TOLERANCE (NAV) |
0.0007% |
SPURIOUS RESPONSES (NAV) |
at least 60dB down |
VOR COURSE ACCURACY |
Two sigma limit 3 deg. as specified in RTCA DO-15 |
AUDIO OUTPUT (NAV) |
With a 1 kHz tone 30% modulation at least 100mW output into 500 ohm loads |
AUDIO RESPONSE (NAV) |
Less than 6dB variation from 350Hz to 2500Hz |
LOC CENTERING |
Two sigma limit more or less 9.9 uA as specified in RTCA DO-195 |
TSO COMPLIANCE (NAV) |
C36c (DO-131, Class D); C40a (DO-153, CAT A and B) |
APPLICABLE DOCUMENTS (NAV) |
RTCA DO-195, RTCA DO-196, RTCA DO-160C, EUROCAE ED-22B & ED-46B |
APPLICABLE DOCUMENTS (GS) |
RTCA DO-192, DO-160C EUROCAE ED-47B |
ENV. CATEGORIES |
DO-160c, A1D1/-BA/BMNPS/XXXXXXZB/AB/BATAXXX |
TSO COMPLIANCE |
C37d,C38d,C40c,C36e,C34e |
PART NUMBER | DESCRIPTION |
069-01032-0101 |
28V, Glideslope Receiver, TSO |
069-01032-0201 |
28V, NO Glideslope Receiver, TSO |