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SPECIFICATIONS |
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Size:
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6.25"W x 2.05"H x 10.16"L
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Weight:
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4.75-5.50 lbs. depending on version
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TSO Compliance:
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RTCA DO-160 Ebv. Cat. A1D1/A/KPS/XXXXXXZBAAA
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Temperature Range:
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-20 to +55C
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Altitude:
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-15,000 to 50,000 feet
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TSO Compliance (COMM):
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Transmit: C37b (DO-157, Class 4); Receive: C38b (DO-156, Class C & D) /
C38b (DO-156, Class A) 50 kHz selectivity
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Applicable Documents (COMM):
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RTCA DO-156, DO-157, DO-160
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Duty Cycle (COMM):
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10%, 4.5 minutes receive, 0.5 minutes transmit
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Frequency Tolerance (COMM):
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0.0015% to meet DO-156 Class C & D
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Power Output (COMM):
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10 watts minimum
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Modulation (COMM):
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85% modulation capability with 90% limiting, less than 15% distortion
at 85% modulation. Audio leveling circuit used.
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Sidetone Output (COMM):
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Adjustable up to 100mW into 500 ohm headphones
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Harmonic Content:
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Greater than 60dB down from carrier
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Receiver Sensitivity (COMM):
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2uV (hard) or less (typically 1 uV) for 6 dB S+N/N with 1000 Hz tone modulated
30%
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Receiver Selectivity (COMM):
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(25Khz SEL): 6dB bandwidth +- 8.1kHz, 60dB bandwidth +- 20.0kHz;
(50KHz SEL): 6dB bandwidth +- 14.5kHz, 60dB bandwidth +- 43kHz;
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Squelch:
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Automatic squelch with manual disable and carrier override
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Spurious Response (COMM):
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at least 80dB down
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TSO Compliance (NAV):
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C36c (DO-131, Class D); C40a (DO-153, CAT A and B)
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Applicable Documents (NAV):
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RTCA DO-131, RTCA DO-153, RTCA DO-160, RTCA DO-195 and RTCA DO-196
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Frequency Tolerance (NAV):
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0.0015% to meet DO-153, CAT A and B
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VOR/LOC Sensitivity:
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1/2 flag sensitivity 2uV (hard) or less (typically 1uV) on all channels
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Receiver Selectivity (NAV):
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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
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Spurious Responses (NAV):
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at least 80dB down
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VOR Course Accuracy:
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Two sigma limit 3 deg. as specified in RTCA DO-153
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Audio Output (NAV):
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With a 1 kHz tone 30% modulation at least 100mW output into 500 ohm loads
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Audio Response (NAV):
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Less than 6dB variation from 350Hz to 2500Hz
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LOC Centering:
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Two sigma limit +-7 uA as specified in RTCA DO-131
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TSO Compliance (GS):
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C34c (DO-132, Category II, Class D)
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Applicable Documents (GS):
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RTCA DO-132, DO-160
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Stability (GS):
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0.0015%
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Sensitivity (GS):
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20uV or less for 60% of standard deflection
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Inputs (Audio Amp):
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2-500 ohm Auxiliary Inputs
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TSO Compliance (Converter):
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C40a (DO-153, Class I and II); C36c (DO-131, Class D)
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Course Width (VOR):
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10 deg. +-1 deg. externally adjustable
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Course Width (LOC):
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90uA +-5uA for ddm of 0.993 ddm or 4dB
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Input Impedence (Converter):
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60 kohm for 0.5Vrms input (VOR mode)
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