Product Overview: NXP BLF872 LDMOS Power Transistor

The NXP BLF872 is a high-performance LDMOS power transistor designed for broadcast applications, specifically for UHF television transmitters. This advanced semiconductor device is capable of delivering outstanding output power with high gain and efficiency, making it an ideal choice for digital and analog TV broadcast systems.

Key Features

• High Power: The BLF872 is capable of providing up to 120 Watts of continuous wave power, ensuring strong signal transmission for broadcast applications.
• High Efficiency: With an efficiency of up to 32%, this LDMOS transistor helps to minimize power loss and reduce cooling requirements, leading to more cost-effective and reliable transmitter designs.
• Broadband Operation: Designed to operate over a wide frequency range from 470 MHz to 860 MHz, the BLF872 can be used in a variety of broadcast bands without the need for extensive tuning.
• Integrated ESD Protection: The device includes integrated electrostatic discharge (ESD) protection, enhancing its robustness and reliability in harsh operating conditions.
• Easy Integration: The BLF872 comes in a ceramic package that is not only durable but also compatible with a wide range of circuit designs, facilitating easy integration into existing systems.

Applications

The NXP BLF872 is primarily used in UHF television transmitters but is also well-suited for other RF power applications such as:

• High-power linear amplifiers
• Industrial, scientific, and medical (ISM) applications
• Professional and military radio communications systems

Technical Specifications

The BLF872 LDMOS power transistor is characterized by the following specifications:

• Frequency Range: 470 MHz to 860 MHz
• Output Power: 120 W CW
• Gain: 21 dB
• Efficiency: 32%
• Supply Voltage: 50 V

In summary, the NXP BLF872 offers a combination of high power, efficiency, and bandwidth coverage, making it a versatile and reliable choice for broadcasting and other high-power RF applications.