DS2155LNB+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS2155LNB+ belongs to the category of Low Noise Block Downconverters (LNBs).

Use

It is primarily used in satellite communication systems for receiving signals from satellites and converting them to a lower frequency range.

Characteristics

• Low noise figure
• High gain
• Wide input frequency range
• Compact size

Package

The DS2155LNB+ is typically packaged in a small, durable enclosure made of high-quality materials.

Essence

The essence of the DS2155LNB+ lies in its ability to receive and downconvert satellite signals with minimal noise and distortion.

Packaging/Quantity

The DS2155LNB+ is usually sold individually, packed in an anti-static bag or box.

Specifications

• Input Frequency Range: 10.7 GHz to 12.75 GHz
• Output Frequency Range: 950 MHz to 2150 MHz
• Noise Figure: <1 dB
• Gain: >60 dB
• Local Oscillator Frequency: 9.75 GHz / 10.6 GHz
• Power Supply Voltage: 11 V to 14 V
• Current Consumption: <100 mA
• Connector Type: F-Type

Detailed Pin Configuration

The DS2155LNB+ has the following pin configuration:

• Pin 1: RF Input
• Pin 2: RF Output
• Pin 3: DC Power Input (+12V)
• Pin 4: DC Power Input (Ground)

Functional Features

• Low noise figure ensures high signal quality.
• High gain amplifies weak signals for improved reception.
• Wide input frequency range allows compatibility with various satellite systems.
• Compact size enables easy installation and integration into existing setups.

Advantages and Disadvantages

Advantages

• Excellent signal reception quality
• Compact and easy to install
• Wide compatibility with satellite systems

Disadvantages

• Limited output frequency range
• Requires external power supply

Working Principles

The DS2155LNB+ works based on the principle of downconversion. It receives high-frequency satellite signals and converts them to a lower frequency range suitable for further processing by satellite receivers. The low noise figure and high gain of the LNB ensure minimal signal degradation during the downconversion process.

Detailed Application Field Plans

The DS2155LNB+ finds applications in various fields, including:

1. Direct-to-Home (DTH) Satellite TV Systems: Used to receive satellite TV signals for home entertainment.
2. VSAT (Very Small Aperture Terminal) Systems: Utilized for two-way satellite communication in remote locations.
3. Satellite Internet Services: Enables high-speed internet connectivity via satellite links.
4. Earth Observation Satellites: Used for receiving data from satellites monitoring the Earth's surface.

Detailed and Complete Alternative Models

1. DS2150LNB: Similar to DS2155LNB+, but with a narrower input frequency range.
2. DS2160LNB: Offers extended output frequency range up to 2450 MHz.
3. DS2100LNB: Basic LNB model with standard performance characteristics.

In conclusion, the DS2155LNB+ is a high-performance Low Noise Block Downconverter used in satellite communication systems. Its compact size, wide compatibility, and excellent signal reception make it a popular choice in various applications. However, it has limitations in terms of output frequency range and requires an external power supply. Alternative models such as DS2150LNB, DS2160LNB, and DS2100LNB offer different features to suit specific requirements.