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Reverberation chamber-80Mhz type
Reverberation chamber-Japan Shield Enclosure Co., Ltd.

Japan Shield Enclosure Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

95.9hours


About This Product

■Features

It is used for radiated emission testing of radiated disturbance waves from electronic devices and systems, and EMC testing for radiated immunity testing of electromagnetic immunity against radiated disturbance waves. Since it can simulate the electromagnetic environment in urban areas, it is possible to perform highly reliable EMC tests on recent 4G and 5G communication systems, as well as in-vehicle network systems that are important for autonomous driving and connected devices. With the establishment or revision of new EMC standards, expansion from 10KHz to over 40GHz EMC testing is also being considered.

■ Principle and advantages of reverberation chamber

A shielded room generates multiple eigenmodes (resonance phenomena) based on its dimensions, and these multiple eigenmodes greatly contribute to the electric field distribution within the shielded room. This phenomenon is also seen in music acoustics; just as the materials that make up the walls of a room affect the acoustic properties, the wall materials of a shielded room also contribute significantly to the internal electric field. The role of the stirrer is to generate a statistically uniform electromagnetic field. Additionally, the working volume represents the area where a statistically uniform electromagnetic field can be obtained. Here, a statistically uniform electromagnetic field refers to spatial uniformity and polarization uniformity. It is clear that the statistical uniformity provided by rotating processes such as stirrer blades is very useful in radiated immunity testing. This is because the device under test (DUT or EUT) can be irradiated with a statistically uniform electric field regardless of its position or orientation within the reverberation chamber. In addition, this resonance phenomenon and the stirring process of the stirrer blades are extremely effective in radiated emission tests using reverberation chambers (especially in the GHz band). In an anechoic chamber, it is necessary to capture the maximum radiated noise by rotating the device under test and moving the receiving antenna up and down.In the GHz band, which has a short wavelength, the number of measurement points increases and the measurement time increases. On the other hand, the reverberation chamber utilizes resonance phenomena, so it has good sensitivity in capturing the maximum radiated noise, and the measurement time is significantly shortened because the measurement is completed only by the process of rotating the stirrer blades.

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    Reverberation chamber

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2 Models of Reverberation chamber

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Power supply Electrical equipment Reinforced steel frame Measurement support system (optical specifications) Structure Ventilation hole Light electrical equipment Target standards Exterior Interior Lower limit frequency Chamber inner dimensions (m) Stirrer Shield door Optional power supply Optional disaster prevention equipment Optional communication equipment Optional air conditioning equipment Working volume (m) ITV camera ceiling hanging type 1 set
Reverberation chamber-Part Number-80Mhz type

80Mhz type

Available upon quote

Power filter, isolation transformer
*Stabilized power supply (CVCF) is sold separately.

29W LED lighting, emergency lighting
2 outlets with 2PE
Distribution board (breaker included)

Ceiling/side reinforcement steel frame

Antenna tower
copper plate desk

Electromagnetic shield panel + aluminum plate

For air conditioning: 400mm For SA/RA

Intercom (child unit) Includes intercom filter (intercom base unit is installed in the measurement room)
Fire alarm filter *Fire alarm is sold separately.

ISO11452-11, IEC61000-4-21, RTCA DO-160G

Galvalume steel plate

Ceiling, wall, floor: Aluminum plate

80MHz

10.1×6.4×4

Fractal structure (continuous rotation, step rotation)

W1,500×H2,000mm knife edge swing door

Stabilized power supply: Select a power supply that matches the power capacity of the EUT TEL/LAN

Speaker, patrol light, buzzer

TEL・LAN

Duct type air conditioner

4.8×3.5×3.1

Shield camera unit, rotating table, controller, 24-inch monitor

Reverberation chamber-Part Number-200Mhz type

200Mhz type

Available upon quote

Power filter, isolation transformer
*Stabilized power supply (CVCF) is sold separately.

29W LED lighting, emergency lighting
2 outlets with 2PE
Distribution board (breaker included)

Ceiling/side reinforcement steel frame

Antenna tower
copper plate desk

Electromagnetic shield panel + aluminum plate

For air conditioning: 400mm For SA/RA

Intercom (child unit) Includes intercom filter (intercom base unit is installed in the measurement room)
Fire alarm filter *Fire alarm is sold separately.

ISO11452-11, IEC61000-4-21, RTCA DO-160G

Galvalume steel plate

Ceiling, wall, floor: Aluminum plate

200MHz

4.8×3.6×3.1

Fractal structure (continuous rotation, step rotation)

W1,500×H2,000mm knife edge swing door

Stabilized power supply: Select a power supply that matches the power capacity of the EUT TEL/LAN

Speaker, patrol light, buzzer

TEL・LAN

Duct type air conditioner

2.6×2.0×2.1

Shield camera unit, rotating table, controller, 24-inch monitor

Click on the part number for more information about each product

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About Company Handling This Product

Response Rate

100.0%


Response Time

95.9hrs

  • Japan

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