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LD7237 Datasheet

  • LD7237

  • DBS Band, 400 W CW, PPM FOCUSING, HIGH POWER GAIN

  • 8頁

  • NEC   NEC

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DATA S H E E T
HIGH POWER TRAVELING WAVE TUBE
FOR DBS GROUND TERMINALS
LD7237
DBS Band, 400 W CW, PPM FOCUSING, HIGH POWER GAIN
GENERAL DESCRIPTION
NEC LD7237 is 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 400 W over the range of 17.3 to 18.1 GHz and provides a high
power gain of 53 dB at 400 W output power.
Furthermore, this is of rugged and reliable design offering long-life service.
LD7237 is fully compatible with TH3694B.
FEATURES
鈩?/div>
High Power Gain
The power gain is typically 53dB at 400 W level.
鈩?/div>
Simple Cooling System
The tube is 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 the 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. ET0159EJ2V1DS00
Date Published August 1998 M
Printed in Japan
漏
1996

LD7237相關型號PDF文件下載

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  • 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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