CA90/B MTL SURGE TECHNOLOGIES, CA90/B Datasheet

CA90/B

Manufacturer Part Number

CA90/B

Description

AERIAL PROTECTOR

Manufacturer

MTL SURGE TECHNOLOGIES

Series

CAr

Datasheet

1.CA90B.pdf (4 pages)

Specifications of CA90/B

Suppressor Type

Data Line

No. Of Outlets

Outlet Type

BNC

Voltage Rating

90V

Peak Surge Current

10kA

Connector Type

BNC

Clamping Voltage

90V

Clamping Voltage Vc Max

90V

External Depth

60mm

Svhc

No SVHC (15-Dec-2010)

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CA Series

Wideband, high current devices for protection of radio

transmitters and receivers connected to coaxial feeders

The CA Series of surge protection devices

prevents surges and transient over-voltages

conducted through coaxial cables from dam-

aging electronic systems such as telemetry

outstations. They protect vulnerable equip-

ment without affecting normal operation,

passing high frequency signals with little

attenuation while diverting surge currents

safely to earth and clamping output voltages

to safe levels.

Typical applications for the CA Series in-

clude the protection of radio telemetry sys-

tems, mobile communications base stations

and, where high induced voltages may be

present, in aerial systems.

Receivers & transmitters are particularly

vulnerable to damage from the effects of

lightning. Their remote locations and physical

construction make them a likely target for

lightning activity. The use of semiconductors

and integrated circuits in transmitters and

Large bandwidth dc to 2GHz

Robust - 10kA surge rating

Range of connector styles to suit all

applications

DC coupled

Low insertion loss and VSWR

Tested in accordance with BS6651:1999

receivers has rendered them particularly

prone to damage from these disturbances.

Excellent performance levels are achieved

using high energy gas discharge tubes, in

precision engineered compact enclosures,

to produce superior surge suppression and

transmission characteristics. The protec-

tion circuitry is capable of diverting 10kA im-

pulses whilst the brass bodies and connec-

tors are silver plated and are designed to

meet harsh environmental requirements.

A wide range of connector types are avail-

able (including BNC, N-type, TNC, UHF and

F-type) to suit all application requirements. In

addition, bulkhead mounting options are pro-

vided for where insertion into a panel is pref-

erable. Models are supplied with a choice of

working voltage and characteristic im-

pedance (90V, 150V and 350V)

are provided for most units

in the range.

Protection

Mounting kits and enclosures to sim-

plify installation, are available for the CA

Series. Panel mounting can be achieved us-

ing the MC range of mounting brackets, or,

for a larger number of units, the MK range

of busbar mounting kits can be supplied (for

mounting up to 20 units). IP65 weather-

proof enclosures are also available to suit

every application.

Antennae

Related parts for CA90/B

CA90/B Summary of contents

Page 1

... Range of connector styles to suit all applications DC coupled Low insertion loss and VSWR Tested in accordance with BS6651:1999 The CA Series of surge protection devices prevents surges and transient over-voltages conducted through coaxial cables from dam- aging electronic systems such as telemetry outstations. They protect vulnerable equip- ...

Page 2

... Figure 1 shows the effectiveness of the CA350 series for a 6kV overvoltage. The lim- iting voltage shows the level of surge ‘let-through’ the surge protection device - in this case just over 600V for a fraction of a microsecond and repre- sents a very small amount of energy. ...

Page 3

... RTU shed. For optimum protection it is essential to employ surge protection devices where cabling enters the RTU building. The antenna feed connects directly Series SPD and then into the tranmsitter using a short cable link. The CA is mounted onto ...

Page 4

... Connector BNC N-type TNC UHF F-type Bulkhead N-type Figure 6 Dimensions (mm) Maximum Typical Product Frequency Insertion Name (MHz) 1000 <0.1 CA90/B/75 CA90/B/75 1000 <0.1 CA350/B/50 CA350/B/75 2000 <0.2 CA90/N/50 CA90/N/75 2000 <0.05 CA350/N/50 CA350/N/75 1000 <0.1 CA90/T/50 CA90/T/75 2000 <0.1 ...

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