Specifications

No.
1505982
HUGHES PROPRIETARY
Rev.
C
Sheet 17 of 28
Form E75a Hughes Network Systems, LLC
6. INTERFACE REQUIREMENTS
6.1 EXTERNAL INTERFACES
LNA key external interfaces are identified in Figure 6-1 and the interface spectrum is depicted in Figure 6-1.
LNA
RF INPUT
POWER
RF OUT
DC INPUT
1505982-0001
Bias-T
LNA
RF INPUT
POWER
RF OUT
DC INPUT
1505982-0002
Figure 6-1. LNA External Interfaces
R6-01. RF Interfaces’ VSWR requirements are given below:
a. Input VSWR shall be better than 1.8:1
b. Output VSWR shall be better than 1.45:1, with Goal of better than 1.3:1.
6.2 LNA INTERFACE TO RSP (MODEM)
R6-02. The individual interfaces between the RSP and LNAs are detailed in Table 6-1 and Table 6-2.
Table 6-1. RSP (Modem) and LNA Interfaces (for 1505982-0001 only)
Req.
Number
Name
Function
LNA I/O
QTY
Interf
ace Description
LNA Connector
R6
-
03.
J1
RF O
utput &
DC Power Input
Output /
Input
1
RF output
, and
DC Power Input
IP67 rated
SMA-female
(unterminated or
open)
Table 6-2. RSP (Modem) and LNA Interfaces (for 1505982-0002 only)
Req.
Number
Name
Function
LNA I/O
QTY
Interface Description
LNA Connector
R6
-
04.
J1
RF Output
Output
1
RF output
IP67 rated
SMA-female
(
unterminated or
open)