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LD7261 Datasheet

  • LD7261

  • 20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN

  • 62.76KB

  • 6頁

  • NEC   NEC

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DATA S H E E T
HIGH POWER TRAVELING WAVE TUBE
FOR COMMUNICATIONS
LD7261
20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN
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
鈩?/div>
High Power Gain
The power gain is typically 40 dB at 250 W level.
鈩?/div>
Simple Cooling System
All the tubes are forced-air-cooled, so that the cooling systems are greatly simplified.
鈩?/div>
PPM Focusing
The tube is PPM (Periodic Permanent Magnet) -focused, eliminating entirely the focusing power supplies
and interlock circuits.
鈩?/div>
Rugged Construction
The tube is designed to be rugged, therefore it is suitable for transportable systems.
鈩?/div>
Long Life and High Stability
The tube employs an advanced impregnated cathode with a low operating temperature for long life.
鈩?/div>
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.
For safe use of microwave tubes, refer to NEC document 鈥淪afety instructions to all personnel
handling electron tubes鈥?(ET0048EJ鈭梀鈭桿M00)
The information in this document is subject to change without notice.
Document No. ET0397EJ1V0DS00
Date Published August 1998 M
Printed in Japan
漏
1998

LD7261相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC
  • 英文版
    14 GHz, 600 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    14 GHz, 300 W CW, CONDUCTION COOLING, HIGH POWER GAIN, FLAT ...
    NEC
  • 英文版
    14 GHz, 300 W CW, CONDUCTION COOLING, HIGH POWER GAIN, FLAT ...
    NEC [NEC]
  • 英文版
    6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING, HIGH POWER GAIN, FLAT...
    NEC
  • 英文版
    6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING, HIGH POWER GAIN, FLAT...
    NEC [NEC]
  • 英文版
    6 GHz, 600 W/700 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC
  • 英文版
    6 GHz, 600 W/700 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    30 GHz, 150 W CW, CONDUCTION COOLING, HIGH POWER GAIN
    NEC
  • 英文版
    30 GHz, 150 W CW, CONDUCTION COOLING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    DBS Band, 400 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC
  • 英文版
    DBS Band, 400 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    14 GHz, 123 W CW, CONDUCTION COOLING, MINIMUM SIZE
    NEC
  • 英文版
    14 GHz, 123 W CW, CONDUCTION COOLING, MINIMUM SIZE
    NEC [NEC]
  • 英文版
    14 GHz, 350 W/400 W CW, CONDUCTION COOLING, HIGH POWER GAIN
    NEC
  • 英文版
    14 GHz, 350 W/400 W CW, CONDUCTION COOLING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    6 GHz, 2.25 kW CW, PPM FOCUSING, HIGH POWER GAIN
    NEC
  • 英文版
    6 GHz, 2.25 kW CW, PPM FOCUSING, HIGH POWER GAIN
    NEC [NEC]
  • 英文版
    20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC
  • 英文版
    20 GHz, 250 W CW, PPM FOCUSING, HIGH POWER GAIN
    NEC [NEC]

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