Bild kan vara representation.
Se specifikationer för produktinformation.
QPA8258

QPA8258: Product Overview and Specifications

Introduction

The QPA8258 is a high-performance power amplifier designed for use in wireless communication systems. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Power Amplifier
  • Use: Wireless Communication Systems
  • Characteristics: High performance, reliability, efficiency
  • Package: Surface-mount package
  • Essence: Amplification of RF signals
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Frequency Range: 700 MHz to 2700 MHz
  • Gain: 32 dB
  • Output Power (P1dB): 28 dBm
  • Supply Voltage: 5V
  • Bias Current: 100 mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The QPA8258 features a 6-pin surface-mount package with the following pin configuration: 1. VCC 2. RF Input 3. Ground 4. Enable 5. RF Output 6. No Connection

Functional Features

  • High gain and output power
  • Wide frequency range
  • Integrated bias circuitry
  • Low current consumption
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High performance and reliability
  • Wide operating temperature range
  • Compact surface-mount package
  • Integrated bias circuitry reduces external components

Disadvantages

  • Higher cost compared to standard power amplifiers
  • Limited availability in certain regions

Working Principles

The QPA8258 operates on the principle of amplifying radio frequency (RF) signals using advanced semiconductor technology. It utilizes a combination of active and passive components to achieve high gain and output power while maintaining efficiency and linearity.

Detailed Application Field Plans

The QPA8258 is ideally suited for various wireless communication applications, including: - Cellular base stations - Small cell systems - Distributed antenna systems - Wireless infrastructure equipment

Detailed and Complete Alternative Models

For users seeking alternative options, the following power amplifiers can be considered as alternatives to the QPA8258: 1. QPA4260 2. QPA9120 3. QPA2465 4. QPA5332

In summary, the QPA8258 is a high-performance power amplifier designed for wireless communication systems, offering a wide frequency range, high gain, and output power. Its compact package and integrated features make it suitable for diverse applications in the wireless infrastructure industry.

Word count: 368

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av QPA8258 i tekniska lösningar

  1. What is QPA8258?

    • QPA8258 is a high-power amplifier designed for use in various technical solutions, particularly in wireless communication systems.
  2. What frequency range does QPA8258 cover?

    • QPA8258 covers a frequency range of 700 MHz to 2700 MHz, making it suitable for a wide range of wireless applications.
  3. What is the typical gain of QPA8258?

    • The typical gain of QPA8258 is around 32 dB, providing significant amplification for weak signals in communication systems.
  4. What is the output power capability of QPA8258?

    • QPA8258 can deliver an output power of up to 28 dBm, making it suitable for applications requiring high power transmission.
  5. Is QPA8258 suitable for 5G applications?

    • Yes, QPA8258 is well-suited for 5G applications due to its wide frequency range and high-power capabilities.
  6. What are the typical input and output return losses for QPA8258?

    • The typical input return loss is 15 dB, and the typical output return loss is 10 dB, ensuring good impedance matching in the system.
  7. Does QPA8258 require external matching components?

    • No, QPA8258 is internally matched, simplifying the design and integration process in technical solutions.
  8. What supply voltage range does QPA8258 operate within?

    • QPA8258 operates within a supply voltage range of 3.3V to 5V, offering flexibility in different system configurations.
  9. Can QPA8258 be used in both infrastructure and consumer devices?

    • Yes, QPA8258 is versatile and can be utilized in both infrastructure equipment and consumer devices, such as small cells and mobile hotspots.
  10. Are evaluation boards available for QPA8258?

    • Yes, evaluation boards are available to facilitate testing and integration of QPA8258 into technical solutions, allowing for easier development and validation processes.