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Part Number: LD7714
Description: The NEC LD7714 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-t...


Description: The NEC LD7714 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-t...
The NEC LD7714 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-to-satellite communications transmitter, LMDS (Local Multipoint distribution service) and other advanced communication systems.
This is capable of delivering an output power of 40 W over the range of 27.5 to 30.0 GHz and provides a power gain of more than 40 dB at 40 W level.
Furthermore, it is of rugged and reliable design offering long-life service.
· Lightweight, Compact and Efficient
The tube has a dual-depressed collectors and designed to operate at high efficiency across the power output range. It features state-of-the-art techniques to optimize size and efficiency.
· Low Distortion
Distortion is a very important factor in multiplex digital signals transmission. NEC has developed techniques for the correction of non-linear distortion and phase generated in a TWT. As a result, the TWT has an optimum performance across a broad power range and is ideally suited for multi-carrier trancmission systems.
· Simple Cooling System
The tube is conduction cooled, so that the cooling system is simplified.
· Rugged Construction
The power gain is designed to be rugged, therefore it is suitable for transportable systems.
· Long Life and High Stability
The tube employs an advanced impregnated cathode with a low operating temperature for long life.
· Micro-discharge Free
The tube is carefully designed to be free from microdischarge in the electron gun for long term operation,therefore it is suitable for digital communication service.
LD7714
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