Honeywell KA 54 User Manual
Page 18
N
KRA 405B RADAR ALTIMETER INSTALLATION MANUAL
Page 1-6
006-10536-0010 Rev. 10
Oct/2005
C.
KRA 405B RECEIVER/TRANSMITTER (cont.)
Load Capability:
4 loads, @ 2 kΩ per load
Off Scale Voltage:
Precision Equipment Output:
-28.0 ± 1.5 Vdc
Auxiliary Out #1:
+17.3 ± 0.5 Vdc
Auxiliary Out #2:
-11.2 ± 0.6 Vdc (-0101)
Auxiliary Out #2:
27.5 ± 1.5 Vdc (-0202)
Time Constant:
Precision Equipment Output:
0.1 second maximum
TRANSMITTER OUTPUT:
Power:
160 mW nominal, FMCW
Center Frequency:
4300 ± 15 MHz
Modulation Frequency:
Primary:
100 Hz nominal
Secondary:
105 Hz nominal (in dual installation)
TRANSMITTER OUTPUT: (cont.)
FM Deviation P-P:
100 MHz
Type of Service:
Continuous
WARNING SYSTEM:
FCS Warn:
Normal Operation:
+18 to +32 Vdc at less than 250 mA
Warn Condition:
Less than 10 μA
Altimeter Valid:
Normal Operation:
+18 to +32 Vdc at less than 250 mA
Warn Condition:
Less than 10 μA
Rad_Alt Valid:
Normal Operation:
+18 to +32 Vdc at less than 250 mA
Warn Condition:
Less than 10 μA
ALTITUDE TRIPS:
Tripped (Locked R/T):
+0.5 Vdc maximum at less than 250 mA
Untripped (Unlocked R/T):
10 μA maximum at less than +30 Vdc
TONE GENERATOR CIRCUIT:
DH Tone Enable Active Level:
Low: < 3.5 Vdc
Inactive Level:
High: > 17 Vdc
Tone Active Time:
2.5 seconds ± .5 seconds
Output Frequency:
587 HZ ± 20 Hz (music tone D)
Output Level (-0202):
30mW ± 10 mW into a 500 Ω load
Noise Level:
60 dB min below rated level