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Reverberation Chambers & Tuners
     
Meets the Buy American Act

Universal Shielding Corp.

Universal Shielding Corp.

Made in the USA 

An electromagnetic reverberation chamber (also known as a reverb chamber or mode-stirred chamber) is an environment for electromagnetic compatibility (EMC) testing and other electromagnetic investigations.

A reverberation chamber can be used for emissions and immunity EMC testing.
A reverberation chamber is a cavity resonator with a high Q factor.
The spatial distribution of the electrical and magnetic field strengths is strongly inhomogeneous (standing waves). To reduce this inhomogeneity, one or more tuners (stirrers) are used. A tuner is a construction with large metallic reflectors that can be moved to different orientations in order to achieve different boundary conditions.
The Lowest Usable Frequency (LUF) of a reverberation chamber depends on the size of the chamber and the design of the tuner. Small chambers have a higher LUF than large chambers.

Index

Reverberation Chamber Tuners

Reverberation Shield Rooms

 

Reverberation Chamber Mode Stirrers/Tuners

 

Reverberation Chamber Tuners

 

 

Model T18-8H (Horizontal)

 

Model T12-4V (Vertical)

Horizontal Reverberation Chamber Tuner

 

Vertical Reverberation Chamber Tuner

 

Data

 

 

Vertical and Horizontal Reverberation Chamber Tuners

 

HIGH PERFORMANCE

HIGH PRECISION

NO DETECTABLE SHAKEDOWN

SERVO MOTOR DRIVE

VARIABLE SPEED

LINEAR OR S-CURVE ACCELERATION

FULLY PROGRAMMABLE

MANUAL OR AUTOMATED OPERATION

HOMING FUNCTION

"STIRRING ONLY" MODELS AVAILABLE

 

 

Video of Reverb Tuners

 

Video of Reverb Tuner

 
 

Reverberation Chambers

Interior Fully Lined

Aluminum

Copper/Bronze

Galvanized Steel

MIL-STD-461G

RTCA/DO-160G

IEC 61000-4-21

 

Sunol Revereration Tuner

 

tuner bearing

 

Vertical reverb tuner

 

 Reverberation Chamber Tuner Motor

 
 

Universal Shielding Corp. RF Shielded Room

and

Sunar (formerly Sunol Sciences)

Mode Tuned Chamber

 

Reverberation Chamber

 

Large Reverberation Chamber

 

 Reverb Chamber

Large Mode Tuned Chamber
Radiated Susceptibility Testing
DNB Engineering now has a dedicated, uniquely plated, Mode Tuned Chamber to aid in the generation of extremely HIGH Radiated Susceptibility field strength levels in accordance with multiple industry specifications for both Commercial and Military applications.
We have made a significant Investment in the chamber and the associated 10 KW TWT Amplifiers from 1GHz to 18GHZ In order to satisfy industry demand.


10 KW TWT Amplifiers
RTCA DO-160F Category G & L Cert Levels (7200 V/m) PM (up to 40 µs pulse widths)
Computer Automated Testing
Large Uniform Field Test Area
(18'W x 11'L x 9'H )

DNB Engineering Silver coated the interior

 

HIRF Testing Levels
An electromagnetic reverberation chamber (also known as a reverberation chamber (RVC) or mode-stirred chamber (MSC) is an environment for electromagnetic compatibility (EMC) testing and other electromagnetic investigations.
An Electromagnetic reverberation chamber is a RF shielded room with a minimum of absorption of electromagnetic energy. Due to the low absorption very high field strength can be achieved with moderate input power.
A reverberation chamber is a cavity resonator with a high Q factor. Thus, the spatial distribution of the electrical and magnetic field strengths is strongly inhomogeneous (standing waves).
To reduce this inhomogeneity, one or more tuners (mode stirrers) are used.
A tuner or tuners are constructed with large metallic reflectors that can be moved to different orientations in order to achieve different boundary conditions.
The Lowest Usable Frequency (LUF) of a reverberation chamber depends on the size of the chamber and the design of the tuner.
Small chambers have a higher LUF than large chambers. i.e. the lower the frequency range required, the larger the chamber must be size wise.


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