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BLF879P,112
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BLF879P,112 Product Overview

Introduction

The BLF879P,112 is a high-power LDMOS transistor designed for use in RF power amplifiers. This component offers exceptional performance and reliability, making it suitable for a wide range of applications in the telecommunications and broadcasting industries.

Basic Information Overview

  • Category: RF Power Transistor
  • Use: RF Power Amplifiers
  • Characteristics: High power, high efficiency, and excellent linearity
  • Package: SOT539A
  • Essence: High-frequency power amplification
  • Packaging/Quantity: Tape and reel packaging, quantity varies based on supplier

Specifications

  • Frequency Range: 470 - 860 MHz
  • Output Power: 50 W
  • Gain: 16 dB
  • Efficiency: 30%
  • Voltage: 32 V
  • Current: 15 A
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The BLF879P,112 features a 3-pin configuration: 1. Pin 1 (Emitter): RF input 2. Pin 2 (Base): Bias and control 3. Pin 3 (Collector): RF output

Functional Features

  • High power gain and efficiency
  • Broad frequency range coverage
  • Excellent linearity for high-quality signal amplification
  • Robust and reliable performance in demanding environments

Advantages and Disadvantages

Advantages

  • High power output capability
  • Wide operating temperature range
  • Suitable for various modulation schemes
  • Long-term reliability

Disadvantages

  • Higher cost compared to lower power alternatives
  • Requires careful thermal management due to high power dissipation

Working Principles

The BLF879P,112 operates on the principle of class-AB amplification, where it delivers high power output with improved efficiency by utilizing advanced LDMOS technology. The device efficiently amplifies RF signals while maintaining linearity and minimizing distortion.

Detailed Application Field Plans

The BLF879P,112 is ideally suited for the following applications: - Broadcast transmitters - Cellular base stations - Radar systems - RF plasma generators - Industrial heating systems

Detailed and Complete Alternative Models

For applications requiring similar performance characteristics, alternative models to consider include: - BLF888A - BLF861A - BLF578XR

In conclusion, the BLF879P,112 stands as a high-performance RF power transistor offering exceptional power amplification capabilities, making it an ideal choice for demanding RF applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BLF879P,112 in technische oplossingen

  1. What is BLF879P,112?

    • BLF879P,112 is a high-power transistor designed for use in RF power amplifiers in applications such as base stations and broadcast transmitters.

  2. What is the maximum power output of BLF879P,112?

    • The maximum power output of BLF879P,112 is typically around 150 watts.

  3. What frequency range does BLF879P,112 cover?

    • BLF879P,112 is designed to operate in the frequency range of 470-860 MHz.

  4. What are the key features of BLF879P,112?

    • Some key features of BLF879P,112 include high power gain, high efficiency, and excellent ruggedness.

  5. What are the typical applications of BLF879P,112?

    • Typical applications of BLF879P,112 include use in base station amplifiers, broadcast transmitters, and other RF power amplifier solutions.

  6. What are the recommended operating conditions for BLF879P,112?

    • BLF879P,112 is typically operated at a supply voltage of 28 volts and requires proper heat sinking for optimal performance.

  7. What are the thermal considerations for using BLF879P,112?

    • Proper thermal management is crucial for BLF879P,112 to ensure reliable operation and long-term performance. Adequate heat sinking and cooling should be provided.

  8. What are the typical efficiency characteristics of BLF879P,112?

    • BLF879P,112 offers high efficiency, typically above 50% across its operating range.

  9. What are the protection features available for BLF879P,112?

    • BLF879P,112 may include protection features such as overcurrent protection and overtemperature protection to safeguard the device during operation.

  10. Where can I find detailed application notes and reference designs for using BLF879P,112 in technical solutions?

    • Detailed application notes and reference designs for BLF879P,112 can be found on the manufacturer's website or through their technical support resources.