KX 155
- Solid state, gas discharge digital display NAV/COMM Transceiver
- 720 or 760 frequency COMM available (see table below)
- 200-channel NAV receiver
- 40-channel glideslope receiver (version dependent - see table below)
- 10W power output
- 14 or 28V versions available
- Push button frequency flip-flop with display of active and standby NAV and COMM frequencies
- Built-in audio amplifier
- Models available with 25 or 50 kHz COMM receiver selectivity
- Used with KI-203/208 VOR/LOC or KI-204/209 VOR/LOC/GS indicators
- TSO'd
DIMENSIONS |
6.25"W x 2.05"H x 10.16"L |
WEIGHT |
4.75 to 5.50 lbs (depending on version) |
TEMPERATURE RANGE |
-20 to 55°C |
ALTITUDE |
-15 000 to 50 000 feet |
DUTY CYCLE (COMM) |
10%, 4.5 minutes receive, 0.5 minutes transmit |
FREQUENCY TOLERANCE (COMM) |
0.0015% to meet DO-156 Class C & D |
POWER OUTPUT (COMM) |
10W minimum |
MODULATION (COMM) |
85% 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 headphones |
RECEIVER SENSITIVITY (COMM) |
2uV (hard) or less (typically 1 uV) for 6 dB S N/N with 1000 Hz tone modulated 30% |
RECEIVER SELECTIVITY (COMM) |
(25Khz SEL): 6dB bandwidth more or less 8.1kHz, 60dB bandwidth more or less 20.0kHz; (50KHz SEL): 6dB bandwidth more or less 14.5kHz, 60dB bandwidth more or less 43kHz; |
SPURIOUS RESPONSE (COMM) |
at least 80dB down |
FREQUENCY TOLERANCE (NAV) |
0.0015% to meet DO-153, CAT A and B |
VOR/LOC SENSITIVITY |
1/2 flag sensitivity 2uV (hard) or less (typically 1uV) on all channels |
RECEIVER SELECTIVITY (NAV) |
6dB bandwidth shall not be less than 16.0 kHz on each side. 60dB bandwidth shall not be less than 31.5 kHz on each side |
SPURIOUS RESPONSES (NAV) |
at least 80dB down |
VOR COURSE ACCURACY |
Two sigma limit 3 deg. as specified in RTCA DO-153 |
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 about 7 uA as specified in RTCA DO-13 |
STABILITY (GS) |
0.0015% |
SENSITIVITY (GS) |
20uV or less for 60% of standard deflection |
INPUTS (AUDIO AMP) |
2 - 500 ohm Auxiliary Inputs |
SQUELCH |
Automatic squelch with manual disable and carrier override |
HARMONIC CONTENT |
Greater than 60dB down from carrier |
TSO COMPLIANCE (COMM) |
Transmit: C37b (DO-157, Class 4); Receive: C38b (DO-156, Class C & D) / C38b (DO-156, Class A) 50 kHz selectivity |
APPLICABLE DOCUMENTS (COMM) |
RTCA DO-156, DO-157, DO-160 |
TSO COMPLIANCE (NAV) |
C36c (DO-131, Class D); C40a (DO-153, CAT A and B) |
APPLICABLE DOCUMENTS (NAV) |
RTCA DO-131, RTCA DO-153, RTCA DO-160, RTCA DO-195 and RTCA DO-196 |
TSO COMPLIANCE (GS) |
C34c (DO-132, Category II, Class D) |
APPLICABLE DOCUMENTS (GS) |
RTCA DO-132, DO-160 |
TSO COMPLIANCE |
RTCA DO-160 Ebv. Cat. A1D1/A/KPS/XXXXXXZBAAA |
PART NUMBER | DESCRIPTION |
069-1024-00 |
14 volt, without Glideslope Receiver, 720 COMM channels |
069-1024-01 |
14 volt, with Glideslope Receiver, 720 COMM channels |
069-1024-02 |
14 volt, without GS Receiver, 50kHz Selectivity, 720 COMM channels |
069-1024-03 |
14 volt, with GS Receiver, 50kHz Selectivity, 720 COMM channels |
069-1024-04 |
28 volt, without Glideslope Receiver, 720 COMM channels |
069-1024-05 |
28 volt, with Glideslope Receiver, 720 COMM channels |
069-1024-06 |
28 volt, without GS Receiver, 720 COMM channels, 50kHz Selectivity |
069-1024-07 |
28 volt, with GS Receiver, 720 COMM channels, 50kHz Selectivity |
069-1024-08 |
14 volt, without GS Receiver, Isolation Amplifier, 720 COMM channels |
069-1024-09 |
28 volt, without GS Receiver, Isolation Amplifier, 720 COMM channels |
069-1024-10 |
14 volt, without GS, Isolation Amplifier, 50 khz Selectivity, 720 channels |
069-1024-11 |
28 volt, without GS, Isolation Amplifier, 50 khz Selectivity, 720 channels |
069-1024-12 |
14 volt, with GS receiver, Isolation Amplifier, 720 COMM channels |
069-1024-13 |
28 volt, with GS, Isolation Amplifier, 720 channels |
069-1024-30 |
14 volt, without Glideslope Receiver, 760 COMM channels |
069-1024-31 |
14 volt, with Glideslope Receiver, 760 COMM channels |
069-1024-32 |
14 volt, without GS Receiver, 50kHz Selectivity, 760 COMM channels |
069-1024-33 |
14 volt, with GS Receiver, 50kHz Selectivity, 760 COMM channels |
069-1024-34 |
28 volt, without Glideslope Receiver, 760 COMM channels |
069-1024-35 |
28 volt, with Glideslope Receiver, 760 COMM channels |
069-1024-36 |
28 volt, without GS Receiver, 760 COMM channels, 50kHz Selectivity |
069-1024-37 |
28 volt, with GS Receiver, 760 COMM channels, 50kHz Selectivity |
069-1024-38 |
14 volt, without GS Receiver, Isolation Amplifier, 760 COMM channels |
069-1024-39 |
28 volt, without GS Receiver, Isolation Amplifier, 760 COMM channels |
069-1024-40 |
14 volt, without GS, Isolation Amplifier, 50 khz Selectivity, 760 channels |
069-1024-41 |
28 volt, without GS, Isolation Amplifier, 50 khz Selectivity, 760 channels |
069-1024-42 |
14 volt, with GS receiver, Isolation Amplifier, 760 COMM channels |
069-1024-43 |
28 volt, with GS, Isolation Amplifier, 760 channels |