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Description
NEC LD7215W is a PPM-focused traveling wave tube designed for use as a final amplifier in the earth-to-satellite communications transmitter. It is capable of delivering an output power of 3 kW over the range of 5.85 to 6.65 GHz. The tube provides a high power gain of 42 dB at a rated output power. Furthermore, it is of rugged and reliable design offering long-life service.
Specifications and features
● High Power Gain: The power gain is typically 42 dB minimum at a 3 kW level.
● Simple Cooling System: The tube is forced-air-cooled, simplifying the cooling system.
● PPM Focusing: The tube is PPM (Periodic Permanent Magnet) -focused, eliminating the need for focusing power supplies and interlock circuits.
● Rugged Construction: The tube is designed to be rugged, making it suitable for transportable systems.
● Long Life and High Stability: The tube employs an advanced impregnated cathode with a low operating temperature for long life.
● Microdischarge Free: The tube is carefully designed to be free from microdischarge in the electron gun, making it suitable for long-term operation in digital communication services.Application Scenarios
The NEC LD7215W tube is specifically designed for use in earth-to-satellite communications transmitters. Its high power gain, simple cooling system, and rugged construction make it suitable for transportable systems in various communication scenarios.
Comparison
Advantages- High power gain of 42 dB at a rated output power
- Simple cooling system
- Eliminates the need for focusing power supplies and interlock circuits
- Rugged construction suitable for transportable systems
- Long life and high stability with advanced impregnated cathode
- Free from microdischarge in the electron gun for long-term operation in digital communication services
Disadvantages- Designed for specific use in earth-to-satellite communications transmitters
- Limited frequency range of 5.85 to 6.65 GHz
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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- Last Updated: 2024/06/13 18:36 +0800
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