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BLF898SU

BLF898SU

Product Overview

Category: RF Power Transistor
Use: Amplification of radio frequency signals
Characteristics: High power, high gain, high efficiency
Package: SOT539A (NI-1230)
Essence: Silicon N-channel enhancement mode lateral MOS transistor
Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

  • Frequency Range: 470-860 MHz
  • Output Power: 100W
  • Gain: 17.5 dB
  • Efficiency: 30%
  • Voltage: 32V
  • Current: 16A

Detailed Pin Configuration

The BLF898SU has a 3-pin configuration: 1. Pin 1 (Gate): Input for the control signal 2. Pin 2 (Drain): Output for amplified RF signal 3. Pin 3 (Source): Ground connection

Functional Features

  • High power gain
  • High efficiency
  • Excellent thermal stability
  • Integrated ESD protection

Advantages and Disadvantages

Advantages: - High power output - High gain - Good thermal stability - ESD protection

Disadvantages: - Limited frequency range - Higher cost compared to some alternatives

Working Principles

The BLF898SU operates on the principle of amplifying radio frequency signals using a silicon N-channel enhancement mode lateral MOS transistor. When a control signal is applied to the gate (Pin 1), the device amplifies the input RF signal and delivers it at the drain (Pin 2) with high power and efficiency.

Detailed Application Field Plans

The BLF898SU is widely used in applications such as: - Broadcast transmitters - Mobile communication base stations - Radar systems - Industrial heating equipment

Detailed and Complete Alternative Models

Some alternative models to BLF898SU include: - MRF151G - MRFE6VP61K25H - BLF188XR

In conclusion, the BLF898SU is a high-power RF transistor with excellent performance characteristics, making it suitable for various applications in the field of radio frequency amplification.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BLF898SU dalam penyelesaian teknikal

  1. What is the maximum power output of BLF898SU?

    • The BLF898SU can deliver a maximum power output of 125W.
  2. What frequency range does BLF898SU cover?

    • BLF898SU covers a frequency range of 470-860 MHz, making it suitable for various applications in this frequency band.
  3. What are the typical applications of BLF898SU?

    • BLF898SU is commonly used in TV broadcast transmitters, digital and analog TV transposers, and other RF amplification applications within the UHF band.
  4. What is the typical gain of BLF898SU?

    • The typical gain of BLF898SU is around 18 dB, providing significant amplification for RF signals.
  5. Does BLF898SU require a heat sink for operation?

    • Yes, BLF898SU requires a proper heat sink to dissipate the heat generated during operation and ensure reliable performance.
  6. What is the input and output impedance of BLF898SU?

    • The input and output impedance of BLF898SU is 50 ohms, which is standard for many RF applications.
  7. Can BLF898SU be used for linear amplification?

    • Yes, BLF898SU can be used for linear amplification, making it suitable for applications where maintaining signal integrity is crucial.
  8. Is BLF898SU suitable for continuous wave (CW) operation?

    • Yes, BLF898SU is designed for both pulsed and continuous wave (CW) operation, offering flexibility in various operating conditions.
  9. What are the key thermal considerations when using BLF898SU?

    • Proper thermal management, including heat sinking and airflow, is essential to maintain the reliability and performance of BLF898SU, especially under high-power operation.
  10. Are there any recommended matching networks for BLF898SU?

    • Yes, NXP provides application notes and reference designs for matching networks to optimize the performance of BLF898SU in different applications.