LD7249中文资料PDF规格书
LD7249规格书详情
GENERAL DESCRIPTION
NEC LD7249 series of PPM-focused traveling wave tube are designed for use as final amplifiers in the earth-tosatellite communications transmitter.
Two models of the LD7249 series are capable of delivering an output power of 350 W and 400 W over the range of 13.75 to 14.5 GHz and provide a high power gain of more than 47 dB at the rated output power level. Furthermore, this is of rugged and reliable design offering long-life service.
FEATURES
™ High Power Gain
The power gain is typically 54 dB at the rated output power level.
™ Simple Cooling System
The tube is conduction-cooled so that the cooling system is 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.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
LEADTREND |
QFN |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
LEADT |
2020+ |
TSOP8 |
4500 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
LD |
23+ |
MSOP10 |
12800 |
正规渠道,只有原装! |
询价 | ||
LD |
20+ |
MSOP10 |
5000 |
原装正品 |
询价 | ||
LEADTREN |
20+ |
MSOP8 |
9850 |
只做原装正品假一赔十为客户做到零风险!! |
询价 | ||
LEADTRE |
2020+ |
MSOP10 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
LEADTRE |
23+ |
QFN |
8560 |
受权代理!全新原装现货特价热卖! |
询价 | ||
LEADT |
2021+ |
TSOP8 |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
LEADT |
2016+ |
TSOP8 |
6528 |
只做进口原装现货!假一赔十! |
询价 | ||
LEADTREND |
2022 |
QFN |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 |