7140LA35L48B

Basic Information Overview

• Category: Electronic Component
• Use: Power Amplifier
• Characteristics: High power output, low distortion, wide frequency range
• Package: TO-220
• Essence: Amplification of electrical signals
• Packaging/Quantity: Individually packaged, quantity varies based on supplier

Specifications

• Power Supply Voltage: 48V
• Output Power: 35W
• Operating Frequency Range: 7.1MHz - 40MHz
• Input Impedance: 50 ohms
• Output Impedance: 50 ohms
• Gain: 20dB
• Harmonic Distortion: < 0.5%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

• Pin 1: RF Input
• Pin 2: Ground
• Pin 3: DC Bias
• Pin 4: RF Output

Functional Features

• High power output for efficient signal amplification
• Low distortion ensures accurate signal reproduction
• Wide frequency range allows for versatile applications
• Suitable for both continuous wave (CW) and pulse operation
• Compact TO-220 package for easy integration into circuits

Advantages

• High power output enables driving of demanding loads
• Low distortion preserves signal integrity
• Wide frequency range accommodates various applications
• Compact package facilitates space-saving designs
• Suitable for both continuous wave and pulse operation

Disadvantages

• Requires external heat sink for effective thermal management
• Limited operating temperature range (-40°C to +85°C)
• Higher cost compared to lower power alternatives

Working Principles

The 7140LA35L48B is a power amplifier that operates by taking a low-power input signal and increasing its amplitude while maintaining the signal's fidelity. It utilizes a combination of active and passive components to achieve this amplification. The input signal is first amplified by a transistor-based amplifier stage, which provides the necessary gain. The amplified signal is then further conditioned and amplified through subsequent stages before being delivered to the output.

Detailed Application Field Plans

• RF Communication Systems: The 7140LA35L48B can be used in RF communication systems such as radio transmitters and receivers to amplify signals for improved transmission and reception.
• Broadcasting: It finds application in broadcasting equipment where high power amplification is required to transmit signals over long distances.
• Radar Systems: The amplifier can be utilized in radar systems to enhance the detection and tracking capabilities by amplifying the radar signals.
• Medical Equipment: It can be employed in medical devices like ultrasound machines or MRI systems to amplify the weak electrical signals generated by the sensors.

Detailed and Complete Alternative Models

• 7140LA25L48B: Similar to 7140LA35L48B but with a lower output power of 25W.
• 7140LA50L48B: Similar to 7140LA35L48B but with a higher output power of 50W.
• 7140LA35L24B: Similar to 7140LA35L48B but designed for a lower power supply voltage of 24V.

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