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參數(shù)資料
| 型號(hào)： | LD7261 |
| 廠商： | NEC Corp. |
| 英文描述： | 20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN |
| 中文描述： | 20千兆赫，250瓦連續(xù)，分之為重點(diǎn)，高功率增益 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 60K |
| 代理商： | LD7261 |
DATA S HEET
HIGH POWER TRAVELING WAVE TUBE
FOR COMMUNICATIONS
Document No. ET0397EJ 1V0DS00
Date Published August 1998 M
Printed in J apan
20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN
LD7261
The information in this document is subject to change without notice.
1998
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 LD7261 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-to-
satellite communications transmitter.
This is capable of delivering an output power of 250 W over the range of 18.0 to 21.7 GHz and provides a
power gain of more than 40 dB at 250 W.
Furthermore, it is rugged and reliable design offers long-life service.
FEATURES
High Power Gain
The power gain is typically 40 dB at 250 W level.
Simple Cooling System
All the tubes are forced-air-cooled, so that the cooling systems are greatly 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 a low operating temperature for long life.
Microdischarge 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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LD7262 | 6 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7263 | 14 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7267 | 30 GHz, 100 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7272 | 6 GHz, 400 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7550 | Green-Mode PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LD7262 | 制造商:NEC 制造商全稱:NEC 功能描述:6 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| LD7263 | 制造商:NEC 制造商全稱:NEC 功能描述:14 GHz, 750 W CW, CONDUCTION COOLING, HIGH POWER GAIN |
| 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 |
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