Lbc-4000 L-Band Down Converter Idu Module; Rear Panel Features; External Reference Connector - Comtech EF Data MN/LBC4000.IOM Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System
Specifications

2.1.7.5.2 LBC-4000 L-Band Down Converter IDU Module

Input Frequency Range
Output Frequency
Input/Output Impedance
Input Return Loss
Output Return Loss
Input connector
Output connector
Gain
Ripple
Slope
User Attenuation Range
Output Power, P1dB
Third Order Intercept
Carrier Spurious
Non-Carrier Spurious
Over Time
Stability
Over Temp
2.1.8

Rear Panel Features

2.1.8.1 External Reference Connector

• (1X) Type BNC female 'J2| EXT REF IN' connector, used to supply a 5 or
10 MHz (auto-detect) @ ±5 dBm master reference input (50Ω
impedance) to the entire chassis.
950 MHz to 2000 MHz, 1 kHz steps
• STANDARD: 70 MHz ±18 MHz
• OPTIONAL: 140 MHz ±36 MHz
50Ω
15 dB minimum
20 dB minimum
Type 'N' female
BNC female
35 dB nominal at minimum attenuation
• ±.5 dB over any ±18 MHz for 70 MHz IF units
• ±.5 dB over any ±36 MHz for 140 MHz IF units
0.05 dB/MHz
0 to 40 dB, in 0.25 dB steps (STANDARD) or 0.1 dB steps
(OPTIONAL)
+13 dBm minimum
+23 dBm minimum
-60 dBc
-60 dBm
-9
±1 X 10
/Day
-8
±1 x 10
32° to 122°F (0° to 50°C)
2–4
MN/LBC4000.IOM
Revision 5