LNBH21PD-TR

Product Overview

Category

LNBH21PD-TR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in satellite communication systems, specifically for Low Noise Block (LNB) applications.

Characteristics

• Low noise figure
• High linearity
• Wide frequency range
• Compact size

Package

LNBH21PD-TR is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LNBH21PD-TR lies in its ability to amplify and downconvert signals received from satellite antennas while maintaining low noise levels.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 8V to 14V
• Operating temperature range: -40°C to +125°C
• Frequency range: 950MHz to 2150MHz
• Gain control range: 20dB to 60dB
• Output power at 1dB compression point: 0dBm
• Current consumption: 90mA

Detailed Pin Configuration

The LNBH21PD-TR IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. IFOUT: Intermediate frequency output
4. IFIN: Intermediate frequency input
5. AGC: Automatic Gain Control input
6. VREF: Reference voltage input
7. TONE: Tone detection output
8. VSENSE: Voltage sense input

Functional Features

• Low noise figure: LNBH21PD-TR ensures minimal degradation of signal quality during amplification.
• High linearity: The IC maintains linearity even at high input power levels, reducing distortion.
• Wide frequency range: It supports a broad frequency range, making it suitable for various satellite communication systems.
• Compact size: The small outline package allows for space-efficient integration into LNB modules.

Advantages and Disadvantages

Advantages

• Excellent signal amplification with low noise figure
• High linearity for improved signal quality
• Wide frequency range for versatile applications
• Compact size for easy integration

Disadvantages

• Limited gain control range compared to some alternative models
• Output power at 1dB compression point is relatively low

Working Principles

LNBH21PD-TR operates based on the principle of amplifying and downconverting signals received from satellite antennas. It utilizes a combination of active and passive components to achieve low noise amplification while maintaining linearity. The IC also incorporates automatic gain control (AGC) functionality to ensure consistent signal levels.

Detailed Application Field Plans

LNBH21PD-TR finds extensive application in satellite communication systems, particularly in Low Noise Block (LNB) modules. It is commonly used in direct broadcast satellite (DBS) receivers, VSAT (Very Small Aperture Terminal) systems, and other similar setups. The IC's wide frequency range and compact size make it suitable for both consumer and professional satellite communication equipment.

Detailed and Complete Alternative Models

1. LNBH25PD-TR: Similar to LNBH21PD-TR but with an extended gain control range of 20dB to 65dB.
2. LNBH18PD-TR: A lower-cost alternative with a narrower frequency range of 950MHz to 2000MHz.
3. LNBH22PD-TR: Offers higher output power at 1dB compression point (2dBm) but with a slightly higher noise figure.

These alternative models provide options for different requirements and budgets within the LNBH series.

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