Specifications

No.
1505982
HUGHES PROPRIETARY
Rev.
C
Sheet 15 of 28
Form E75a Hughes Network Systems, LLC
4. FUNCTIONAL DESCRIPTION AND REQUIREMENTS
4.1 FUNCTIONAL DESCRIPTION
The Low Noise amplifier (LNA) allows the satellite gateway to receive RF signal from the satellite and amplifies to
an acceptable level to the radio signal processor modem.
4.2 FUNCTIONAL REQUIREMENTS
The Low Noise amplifier (LNA) block diagrams are shown in Figure 4-1.
LNA
RF INPUT
POWER
RF OUT
DC INPUT
1505982-0001
Bias-T
LNA
RF INPUT
POWER
RF OUT
DC INPUT
1505982-0002
M&C
Figure 4-1. LNA Block Diagram
The LNA functional requirements are summarized below:
R4-01. The LNA Input port shall interface to the antenna feed assembly.
R4-02. The LNA shall be able to receive multiple incoming carriers at Ka-band.
R4-03. The LNA shall provide low noise amplification to Ka-band receive signals as specified in section 5.1.
R4-04. The LNA (1505982-0002 only) shall provide fault detection (Input Voltage and Current Consumption).
R4-05. The LNA shall implement mechanism to protect itself in event of any adverse operating conditions.
R4-06. Requirement deleted.