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參數(shù)資料
| 型號： | LD7263 |
| 廠商： | NEC Corp. |
| 英文描述： | 14 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| 中文描述： | 14千兆赫，750瓦連續(xù)波，傳導冷卻，大功率增益 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 56K |
| 代理商： | LD7263 |
DATA S HEET
HIGH POWER TRAVELING WAVE TUBE
FOR COMMUNICATIONS
Document No. ET0479EJ 1V0DS00
Date Published September 1999 M
Printed in J apan
14 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN
LD7263
The information in this document is subject to change without notice.
1999
For safe use of microwave tubes, refer to NEC document “Safety instructions to all personnel
handling electron tubes” (ET0048EJ
V
UM00)
GENERAL DESCRIPTION
The NEC LD7263 is a PPM-focused traveling wave tube designed for use as final amplifiers in the earth-to-
satellite communications transmitter.
This is capable of delivering an output power of 750 W over the range of 1 3.75 to 14.5 GHZ and provides a
power gain of more than 47 dB at 750 W Ievel.
Furthermore, this is of rugged and reliable design offering long-Iife service.
FEATURES
Lightweight, Compact and Efficient
The tube has 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 opti-
mum performance across a broad power range and is ideally suited for multi-carrier transmission 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.
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相關代理商/技術參數(shù) |
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| LD7267 | 制造商:NEC 制造商全稱:NEC 功能描述:30 GHz, 100 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7272 | 制造商:NEC 制造商全稱:NEC 功能描述:6 GHz, 400 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7280PJ-33 | 制造商:Leadtrend 功能描述:VFM Step-Up DC/DC Converter |
| LD-75 | 制造商:ABB Low Voltage Products and Systems 功能描述:POWER T.B. A50-75 #10-2 AWG |
| LD7522HPS | 制造商:Leadtrend 功能描述:GREEN-MODE PWM CONTROLLER WITH HIGH-VOLTAGE START-UP CIRCUIT |
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