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LD7710

NEC
Part Number LD7710
Manufacturer NEC
Description HIGH POWER TRAVELING WAVE TUBE
Published Apr 25, 2005
Detailed Description DATA S HE E T MEDIUM POWER TRAVELING WAVE TUBE FOR GROUND TERMINALS LD7710 14GHz, 40 W CW PPM FOCUSING, MINIMUM SIZE G...
Datasheet PDF File LD7710 PDF File

LD7710
LD7710

Overview
DATA S HE E T MEDIUM POWER TRAVELING WAVE TUBE FOR GROUND TERMINALS LD7710 14GHz, 40 W CW PPM FOCUSING, MINIMUM SIZE GENERAL DESCRIPTION The NEC LD7710 is a PPM focused traveling wave tube designed for final amplifier tube in the earth-to-satellite communication's transmitter.
This is capable of delivering an output power of 40 W over the range of 13.
75 to 14.
5 GHz.
It provides a mid power gain of 26 dB at 40 W level.
Furthermore, this is of rugged and reliable design offering long life services.
FEATURES ™ Lightweight, Compact and Efficient The tube has a dual-depressed collectors and is 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 of gain 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 transmission systems.
™ Right Power Gain for Minimum Size The power gain is designed into 26 dB at 40 W level in order to keep the tube length minimum.
™ Simple Cooling System The tube is conduction cooled, so that the cooling system is simplified.
™ PPM Focusing The tube is PPM (Periodic Permanent Magnet) -focused, eliminating entirely the focusing power supplies and interlock circuits.
™ Rugged Construction The tube 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 the low operating temperature for long life.
The TWT is designed to have a lifetime of 100,000 hours or more.
™ Microdischarge Free The tube is carefully designed to be free from microdischarge in the electron gun for long time operation, therefore it is suitable for digital communication services.
For safety use of microwave tubes, refer to NEC ...


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