MRF9045LSR5

Introduction

The MRF9045LSR5 is a high-frequency, RF power field-effect transistor (FET) designed for use in applications requiring high power and efficiency. This device belongs to the category of RF transistors and is commonly used in radio frequency (RF) amplifiers, particularly in the UHF band. The MRF9045LSR5 offers excellent characteristics such as high gain, high linearity, and ruggedness, making it suitable for various RF power amplifier applications.

Basic Information Overview

• Category: RF Transistor
• Use: RF Power Amplification
• Characteristics: High Gain, High Linearity, Ruggedness
• Package: SMD (Surface Mount Device)
• Essence: High-Frequency RF Power Amplification
• Packaging/Quantity: Typically supplied in reels or tubes containing multiple units

Specifications

• Frequency Range: 470-860 MHz
• Output Power: 45W
• Gain: 15 dB
• Efficiency: 40%
• Voltage: 28V
• Current: 10A

Detailed Pin Configuration

1. Gate (G)
2. Drain (D)
3. Source (S)
4. Not Connected (NC)

Functional Features

• High Power Output: Capable of delivering 45W of output power.
• High Gain: Provides a gain of 15 dB, ensuring efficient signal amplification.
• Broad Frequency Range: Suitable for applications within the 470-860 MHz range.
• Rugged Design: Built to withstand harsh operating conditions.

Advantages and Disadvantages

Advantages

• High power output capability
• Excellent gain and linearity
• Wide frequency range coverage
• Rugged construction for reliability in demanding environments

Disadvantages

• Higher power consumption compared to lower power alternatives
• Limited to specific frequency range

Working Principles

The MRF9045LSR5 operates based on the principles of field-effect transistors, utilizing its gate, drain, and source terminals to control the flow of RF power. When biased and driven with an input signal, the transistor amplifies the RF signal and delivers the amplified output through its drain terminal.

Detailed Application Field Plans

The MRF9045LSR5 is commonly used in the following applications: - UHF Broadcast Transmitters - Amateur Radio Amplifiers - RF Test Equipment - Cellular Base Stations

Detailed and Complete Alternative Models

• MRF9045LR1: Lower power variant suitable for applications requiring reduced power output.
• MRF9045LSR3: Similar to MRF9045LSR5 but optimized for a different frequency range.

In conclusion, the MRF9045LSR5 is a high-performance RF power FET that offers exceptional power output, gain, and ruggedness, making it an ideal choice for various RF power amplifier applications within the UHF frequency range.

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