This system intends to evaluate how the EUT(mobile phone module) put in anechoic box is affected after the signal output from signal generator(SG) is radiated in it.
The anechoic room and calibrated standard antenna are usually required in order to measure the anten na gain. However, it can be easily measured using the anechoic box and MSA438TG.
The following is an example that electric field at each of four points in a vertical plane of the distance 0.6 m from a transmitting antenna in an anechoic box was measured by a electric field probe.
In addition, a product before obtaining the technical standards conformity certification has to be shielded by the anechoic box in order not to sprinkle an illegal radio wave.
Solution Protocol test by air connection Setting up the system that the bidirectional communication is done, through the transmission& receiving antenna between the ZigBee router and the module put in anechoic box.
Moreover, when installing the wireless device in anechoic box, the reproducibility of test results is improved by using the fixtures and by fixing the distance between transmission antenna and receiving device.
In particular, when evaluating EUTs such as 2.4GHz and 5GHz band including WiFi, mobile phone(800 MHz to 2.2 GHz) and terrestrial digital broadcasting apparatus(470 to 770 MHz), the anechoic box is a necessary tool for separation from commercial service waves.
By use of the anechoic/ shield box, it is possible to cut off the unnecessary interference wave and to be evaluated in a stable environment。[Solution] For evaluation at development and design: The radio wave radiated from EUT placed on turntable is received with the antenna installed in the opposite side.
セルラー電波暗箱。
Cellular Phone Shield.
携帯電話評価ソリューション無線通信セルラー電波暗箱。
Evaluation of cellular phone. Wireless communication Cellular Phone Shield box.
放射ノイズ測定を電波暗箱(MY5310/MY5310S/MY5410)内で行えます。
Radiated emission noise measurement can be performed by using the anechoic box(MY5310/MY5410) and a broadband antenna(MAN101/MAN102).
EMI設計における電波暗箱の活用法|マイクロニクス。
Various usages of anechoic box for EMI design of electronics|MICRONIX.
電波暗箱(シールドボックス)MY5310S。
Electromagnetic anechoic box(Shield box)MY5310S.
GPS端末評価システムにおける電波暗箱内フィールド均一性の確認|マイクロニクス。
Verification of field uniformity in an anechoic box for GPS|MICRONIX.
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