Datasheet > N15X10B999X

N15X10B999X

更新时间： 2024-11-25 23:53:07

品牌	Logo	应用领域
其他 - ETC		连接器射频脉冲
页数	文件大小	规格书
16页	1468K
描述
RF Coaxial Lightning and EMP Protection

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N15X10B999X 数据手册

ID 2011

V4.00

RF Coaxial Lightning

& EMP Protection

• In-line RF Coaxial Protection Against Lightning

& EMP

• Ideal Protection for Cellular Infrastructure

Equipment

• Available in ␭ր4 Stub Tuner or Gas Discharge

Tube Formats

• Maintains Protection after Initial Strike or Pulse

M/A-COM offers a complete series of RF Coaxial Lightning &

EMP Protection Devices for use in cellular infrastructure appli-

cations. EMP (electro-magnetic pulse) occurs primarily as a

result of direct lightning strikes to infrastructure equipment

which can produce fast rising electric fields within micro

seconds. These electric fields induce high voltage pulses

through unprotected antennas and coaxial transmission

cables which can ultimately lead directly to the primary com-

munication equipment. The EMP threat, generated from un-

predictable lightning strikes is a serious concern for cellular

operators around the world. Damage from a lightning strike

can result in costly repair of equipment as well as significant

loss of airtime service to subscribers.

␭/4 Stub Tuners

␭/4 stub tuners are three port coaxial devices. The third port,

extending from the main electrical path, serves as a

terminated short circuit element at a predetermined distance

from the RF transmission path. This distance is designed to

be exactly one quarter wavelength at the desired centering

frequency (Fo). ␭/4 stub tuners offer very low VSWR and

feature very high attenuation of incoming pulses but must be

applied across relatively narrow bandwidths (± 70 MHz).

M/A-COM offers standard designs for the most popular

cellular frequency bands to facilitate usage without the need

for a custom design. Stub tuners offer the greatest protection

for sensitive electronic components as they have neither the

sparkover or residual voltage characteristics of GDT devices.

Stub tuners are extremely reliable and maintenance free

since they incorporate no active components. Standard stub

tuner designs exist for GSM, PCS 1900 and DCS 1800

frequencies with a wide variety of connector interfaces such

as Type N and 7-16 available. Cable assemblies, including

low loss cable options, are also available to provide complete

in-line solutions for base station design.

M/A-COM RF coaxial lightning protection (LP) devices have

been designed for use in commonly deployed cellular

infrastructure including GSM, NAMPS, PCS 1900 and

DCS 1800 operating formats. The use of coaxial lightning

protection has two primary benefits for cellular applications.

First, RF coaxial lightning protection can easily be inserted

into existing infrastructure architecture either as a cable

assembly or as an in-line adapter. This facilitates cell site

design and retrofit capabilities. Secondly, the RF coaxial

protection has been designed to facilitate and not degrade

RF performance during normal operation of the system.

Surge Protectors

These devices incorporate internal gas discharge tube (GDT)

technology to provide a low impedance path to discharge the

EMP to ground. The GDT is hermetically sealed with an inert

gas which is not radioactive and requires no special handling.

GDT devices are broadband due to their inherently small

capacitance and cover frequencies up to 2.5 GHz. Once a

GDT device has been activated with an impulse and the

voltage level dissipated, the device becomes inactive and will

require subsequent maintenance or replacement. Surge

protectors are available in convenient bulkhead mounting

configurations with a wide variety of standard interface

choices including Type N, 7-16 and SMA.

Call your local M/A-COM sales office or global Applications

Engineering group for more information on our RF coaxial

lightning protection. M/A-COM is an ISO-9001 globally

certified manufacturer.

Specifications Subject to Change Without Notice.

M/A-COM, Inc.

North America: Tel. (800) 366-2266

Fax (800) 618-8883

■

Asia/Pacific: Tel. +85 2 2111 8088

Fax +85 2 2111 8087

■

Europe: Tel. +44 (1344) 869 595

Fax +44 (1344) 300 020

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与N15X10B999X相关器件

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N1600CH04LOO	IXYS	获取价格	Silicon Controlled Rectifier, 6421.3A I(T)RMS, 6840000mA I(T), 400V V(DRM), 400V V(RRM), 1

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