6 lbc-4000 l-band upconverter idu – Comtech EF Data LBC-4000 User Manual
Page 25

LBC-4000 L-Band Up/Down Converter System with Ethernet
Revision 2
Introduction
MN-LBC4000A
1–7
1.4.6
LBC-4000 L-Band Upconverter IDU
Input Frequency
70 MHz
±18 MHz (140 MHz ±36 MHz optional)
Output Frequency
950 MHz to 2000 MHz, 1 kHz steps
Input/Output Impedance
50Ω
Input Return Loss
18 dB minimum
Output Return Loss
15 dB minimum
Input connector
Type ‘BNC’ female
Output connector
Type ‘N’ female
Gain
25 dB
±1 dB nominal at minimum attenuation
Ripple
• ±.5 dB over any ±18 MHz for 70 MHz IF units
• ±.5 dB over any ±36 MHz for 140 MHz IF units
Slope
0.05 dB/MHz
User Attenuation Range
0 to 40 dB, in 0.25 dB steps (0.1 dB optional)
Input Power Level
To
±10 dBm maximum
Output Power, P1dB
+10 dBm minimum
Third Order Intercept
+20 dBm minimum
Carrier Spurious
-60 dBc
Non-Carrier Spurious
-75 dBm
Transmit Phase Noise
Exceeds MIL-STD-188-164A
Stability
Over Time
±1 X 10
-9
/Day
Over Temp
±1 x 10
-8
32º to 122ºF (0º to 50ºC)
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