Shielded Anechoic Chambers

Product Details:

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

FEATURES

Low cost solution to anechoic chamber.

Set consists of two boxes, one for Transmitter (Tx) and other Receiver(Rx) for AUT/DUT.

Five side absorber covered metallic movable plate.

Optimum performing absorbers at near normal/grazing incidences of extraneous signals used.

Low RCS stand supplied to hold transmitting/receiving Antenna with our Automatic antenna positioner synchronized with various instruments

APPLICATIONS

Necessary requirement for accurate antenna measurements & RCS measurements.

SPECIFICATIONS

Frequency Range: 800MHz-18GHz and beyond

Each box of 1.2m X 1.2m X 1.2m size.

Test zone size where Antenna Under Test (AUT) to be placed is 0.2mX0.2mX0.2m in receiving box.

Reflection signal (reaching test zone) down by min -30dB with respect to direct signal at 800 MHz raising up to -40dB at 3.0 GHz and higher frequencies.

All Absorbers to be used are Fire Retardant per Passes NRL-8093, test 1, 2 & 3 With Zero Halogen Means.

AVAILABLE OPTION

Advanced Antenna positioner
• With turntable capable of 360 degree azimuth rotation with 1 degree step precisely controlled by PC software.
• Load bearing capacity 5.0Kg
• Antenna positioner can be synchronized with various analyzers like VNA, Power Meter etc. to record power reading automatically at various positions.
• PC interface software to operate positioner & to draw polar plots.

Low RCS stands for both transmitting & receiving antennas mounting.

Various RF cables & connectors to be used inside chamber.

* Final price depends on required configurations.

Product Details:

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

 

** The price is not final; please consult with the SLTL team for the final price.

FEATURES:

A total low cost solution of Shielded Anechoic Chamber for antenna measurements and RCS measurement.

 

A PAN type design for high performance shielded chamber, a Total Steel Structure (TSS), an improved design over conventional sandwich type wood core structure (WCS).

TSS offers years of maintenance free, high RF attenuation.

Easy expandability and relocation using less parts.

P.U. Foam based pyramidal/wedge/walk on/corner absorbers as required.

Access Panel: Providing access to outer and inner signal. Consists of various RF connectors with matched terminations on both ends.

Provided power line filter one phase, 2 lines, 15 Amperes, 220V.

Various accessories and components available to utilize chamber in best possible way for various tests

Specifications:

Frequency Range: 800MHz 18GHz and beyond.

Shielding Effectiveness (SE): Min.-80 dB on walls and -80 dB on windows or door. SE tested as per IEEE STD, 299.

Quiet-Zone size: 0.5m X 0.5m Cross section. Length of quiet zone can be customized.

Quietness Level: Min -30 dB at 800MHz raising to 40 dB at 3.0 GHz and higher frequencies.

Microwave Absorbers-
• P.U. Foam based absorber tested as per IEEE STD. 1128.
• All Absorbers to be used are Fire Retarded: Passes NRL-8093, USA test 1, 2 & 3 With Zero Halogen Means.

Chamber Construction Details-
• PAN Type Shielded structure.
• 2mm thick hot galvanized sheets used for PAN manufacturing.
• Cutting and bending by Laser / CNC machines.
• Radiography quality TIG welding of corners of panels.
• Joining of PANs using Rail Road wire mesh based metallic Gasket.

Shielded Window-
• Windows are designed to open approx.180 deg,
• Rail Road gasket used between the window frame and the basic Pan structure.
• Two rows of Copper Beryllium fingers are provided for ensuring Shielding Effectiveness.

APPLICATIONS:

• For various RF and Microwave Measurements under controlled conditions.
• RF Noise Security.
• EMI/RFI testing and research.
• High security communications.
• Areas of high security, such as government or commercial communication centers.

ACCESSORIES (Optional):

Antenna Positioner-
• Advanced Antenna positioner with turntable capable of 360 degree azimuth rotation with 1 degree step precisely controlled by PC software.
• Load bearing capacity 5.0Kg.
• Antenna positioner can be synchronized with various analyzers like VNA, Power Meter etc. to record power reading automatically at various positions.
• PC interface software to operate positioner & to draw polar plots.
• Low RCS stands for both transmitting & receiving antennas mounting.
• Various RF cables & connectors to be used inside chamber.

Product Details:

SLTL Group's Faraday Cage / Shielded Chamber is a cutting-edge solution for high-performance shielding needs, specially designed under the category of Anechoic Chambers & Microwave Absorbers. With its Total Steel Structure (TSS) design, this advanced chamber offers significant improvements over traditional wood core structures (WCS).

* Sahajanand Laser Technology Ltd. reserves the right to make changes at any time without prior notice or notification

 

** The price is not final; please consult with the SLTL team for the final price.

CHARACTERISTICS FEATURES:Go on Top

 

A PAN type design for high performance shielded chamber, a Total Steel Structure (TSS), an improved design over conventional sandwich type wood core structure (WCS).

Self supporting.

Very easy to construct.

Fitted with RF Gaskets.

Not affected by water and moisture.

Superior Attenuation with less weight.

Cutting and bending by Laser / CNC machines.

Easy expandability and relocation using less parts.

Radiography quality TIG welding of corners of panels.

100% testing of welding by Radiography Testing Method.

TSS is very desirable in geographic regions with seismic problems.

Unique Flat Surface Inside/Outside: The walls and the roof construction by flat surface inside and the floor were constructed by flat outside, which is the most ideal.

 

Shielding Effectiveness (SE):

SE tested as per either of IEEE Std, 299 MIL Std 285 or EN 50147-1.

Shielded Doors:

 

2-point cam locking system.

Doors are designed to open approx.180 degree.

Rail Road gasket used between the door frame and the basic Pan structure.

Door leaf hanging on the frame by the two hinges mounted in the door frame.

Three rows of Copper Beryllium fingers in two pockets were provided for ensuring Shielding effectiveness.

Ranging from single leaf to big sliding door to accommodate even EMI/EMC testing of air craft.

 

Air vents

 

Air vents generally designed with cut-off wave guide characteristics of honey- comb structure.

Access Panel:

 

Providing access to outer and inner signal, connectors with matched terminations on both ends.

 

Signal Filters:

 

Power line filters both for single/three phase power supplies of different current ratings, frequencies including DC filters and filters for

Telephone line filters.

Optical waveguide feed through

Isolation transformers, etc

 

Single Point earthing to Earthing Pits:

Pipe-in-pipe, electrolytic type maintenance free earthing, Shielded structure, isolation transformers are connected to earth pits.

Area of Applications:

 

Noise Security.

TEMPEST Security Areas.

EMI/RFI testing and research.

 

High security communications.

Securing data processing centers.

Sophisticated electronic equipment manufacturing test, calibration & repair rooms.

Areas of high security, such as government or commercial communication centers.

* Final price depends on required configurations.