ABC40DC User Manual
Page 17 of 34
Appendix 1
TECHNICAL SPECIFICATIONS
RF frequency
5.850 to 6.725 GHz
Local oscillator
4.90 GHz
IF frequency
950 to 1,825 MHz
Output power
40W typ. (+46 dBm min.)
IF connector
N-type or F-type (field-exchangeable)
Power supply : auto-ranging via MS connector
+36 ~ +60 VDC, 179 W max
Output interface
CPR 137 G
Gain
68 dB nominal
IMD3 (two tones)
-26 dBc max. 2 signal 5MHz apart at P-LINEAR
L.O. leakage
-45 dBm max
Spurious
-50 dBc max
Spectral regrowth
(QPSK at 1.5x and OQPSK at 1.0x symbol rate offset
with 2dB back-off from rated output power)
-30 dBc
Requirement for external reference:
frequency
input power
via IF cable
10 MHz (sine-wave)
-5 to +5 dBm @ input port
TX Gain variation
TX Gain stability over temperature range
± 0.5 dB over 40MHz
± 1.8 dB over full band
± 1.5 dB typ., ± 1.8 dB max.
Phase noise
(Exceeds Intelsat’s standard IESS308/309)
-55 dBc/Hz max. @ 10 Hz
-65 dBc/Hz max. @ 100 Hz
-75 dBc/Hz max. @ 1 KHz
-85 dBc/Hz max. @ 10 KHz
-95 dBc/Hz max @ 100 KHz
Noise power density Transmit
Receive
-66 dBm/Hz (max)
-157 dBm/Hz (max)
M&C Interface
RS-232 and RS-485, Ethernet (HTTP and SNMP ver 2.
and 3)
FSK
Multiplexed on TX IFL, com. with Comtech/ Paradigm
Noise figure
15 dB max
Input V.S.W.R.
2 : 1 max
Output V.S.W.R.
2 : 1 max.
Mute
Shut off the HPA if L.O. unlocked
Status LED RED
GREEN
YELLOW
Summary alarm
All OK
All OK standard L.O. 4.90 GHz
Temperature range (ambient)
operating
-40 deg C to +55 deg C
storage
-55 deg C to +85 deg C
Altitude
Up to 23,000 feet
Vibration and shock
Complies with MIL-STD-810E
Dimensions & housing
195 (L) x 120 (W) x 86 (H) mm
7.67”(L) x 4.72”(W) x 3.38” (H)
Weight
2.1 kg (4.6 lbs) max
