{"id":687,"date":"2020-12-21T19:07:50","date_gmt":"2020-12-21T19:07:50","guid":{"rendered":"https:\/\/www.trekequipment.com\/?post_type=product&#038;p=687"},"modified":"2021-01-24T23:23:42","modified_gmt":"2021-01-24T23:23:42","slug":"me8661a","status":"publish","type":"product","link":"https:\/\/www.trekequipment.com\/product\/me8661a\/","title":{"rendered":"ME8661A"},"content":{"rendered":"<h2>Electromagnetic Anechoic Box\/Shielding box Small\/Medium Size ME8661A<\/h2>\n<ul class=\"bigTitle\">\n<li>Suitable for testing W-CDMA, CDMA, GSM, PDC, PHS, ETC and wireless systems.<\/li>\n<li>It covers the frequency band of low frequency through 18GHz.<\/li>\n<li>A receiving antenna of your choice will be mounted.<\/li>\n<\/ul>\n<h2>Specification<\/h2>\n<p>This is a simple type shielding box that may be used on a desk.<br \/>\nIt is of triple structure, i.e., radio wave absorber, copper plate and aluminum plate.<br \/>\nIt covers the frequency band of low frequency through 18GHz.<\/p>\n<table class=\"type01 MyTable\">\n<tbody>\n<tr>\n<th>Outside<br class=\"smartphone\" \/>Dimensions<br class=\"smartphone\" \/>(approx.)<\/th>\n<td class=\"wholly-highlight-vertical\">820(W)\u00d7608(H)\u00d7503(D)mm<br class=\"smartphone\" \/>(excluding projections)<\/td>\n<\/tr>\n<tr>\n<th>Inside<br class=\"smartphone\" \/>Dimensions<\/th>\n<td class=\"wholly-highlight-vertical\">700(W)\u00d7380(H)\u00d7380(D)mm<\/td>\n<\/tr>\n<tr>\n<th>Acrylic resin table<\/th>\n<td class=\"wholly-highlight-vertical\">200\u00d7200mm<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td class=\"wholly-highlight-vertical\">approx.38\u338f (excluding antenna)<\/td>\n<\/tr>\n<tr>\n<th>Structure<\/th>\n<td class=\"wholly-highlight-vertical\">Triple structure composed of radio wave absorber, copper plate and aluminum plate<\/td>\n<\/tr>\n<tr>\n<th>Shielding<br class=\"smartphone\" \/>Characteristics<br class=\"smartphone\" \/>(typ)<\/th>\n<td class=\"wholly-highlight-vertical\"><span id=\"cloak39703\"><a href=\"mailto:65dB@2.4GHz\">65dB@2.4GHz<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<th>Reflection loss<\/th>\n<td class=\"wholly-highlight-vertical\">more than <span id=\"cloak91401\"><a href=\"mailto:20dB@1.2GHz\">20dB@1.2GHz<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<th class=\"wholly-highlight-horizontal\">Connectors<\/th>\n<td class=\"wholly-highlight-horizontal wholly-highlight-vertical\">\n<ul class=\"type01\">\n<li>SMA (3pcs)<br class=\"smartphone\" \/>(reference side 1pc, receiving side 2pcs)<\/li>\n<li>25 pins D-sub connector 1pc<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Option<\/th>\n<td class=\"wholly-highlight-vertical\">\n<ul class=\"type01\">\n<li>Receiving antenna<\/li>\n<li>Reference antenna<br class=\"smartphone\" \/>(with antenna gain and RF coupling degree data)<\/li>\n<li>Receiving horn antenna<\/li>\n<li>Reference horn antenna<br class=\"smartphone\" \/>(with antenna gain and RF coupling degree data)<\/li>\n<li>Microwave coaxial cable<br class=\"smartphone\" \/>(0.5 \uff4d, 3m, 4m)<\/li>\n<li>Fixed microwave attenuators<br class=\"smartphone\" \/>(1 to 10\uff6412\uff6413\uff6415\uff6420dB)<\/li>\n<li>50\u03a9Terminator(SMA)<\/li>\n<li>50\u03a9-75\u03a9Adapter\u3000<br class=\"smartphone\" \/>BNC(P)-BNC(J)<\/li>\n<li>\n                  Adapter<\/p>\n<ul>\n<li>BNC(P)-N(J)<\/li>\n<li>BNC(P)-N(P)<\/li>\n<li>BNC(P)-F(J)<\/li>\n<li>BNC(P)-F(P)<\/li>\n<\/ul>\n<\/li>\n<li>Caster<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Reference antenna<\/h2>\n<p class=\"miniTitle\">Reference antenna Spiral antenna<\/p>\n<table class=\"type01 MyTable\">\n<tbody>\n<tr>\n<th>Frequency range<\/th>\n<td>2 to 18GHz<\/td>\n<\/tr>\n<tr>\n<th>Antenna gain<\/th>\n<td>-2 to +6dBi(with data)<\/td>\n<\/tr>\n<tr>\n<th>VSWR<\/th>\n<td>Less than 2<\/td>\n<\/tr>\n<tr>\n<th>Polarization<\/th>\n<td>Right circular<\/td>\n<\/tr>\n<tr>\n<th>Max. input power<\/th>\n<td>1W @ CW<\/td>\n<\/tr>\n<tr>\n<th>Application<\/th>\n<td>For OBE of ETC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff0aReceiving antenna model (Spiral antenna) is same specifications as above.<\/p>\n<table class=\"type01 MyTable\">\n<tbody>\n<tr>\n<th>Frequency range<\/th>\n<td>2 to 5GHz<\/td>\n<\/tr>\n<tr>\n<th>Antenna gain<\/th>\n<td>+12.5 to +17dBi(with data)<\/td>\n<\/tr>\n<tr>\n<th>VSWR<\/th>\n<td>1.4 (typ.), 3.0 (max.)<\/td>\n<\/tr>\n<tr>\n<th>Polarization<\/th>\n<td>Linear<\/td>\n<\/tr>\n<tr>\n<th>Max. input power<\/th>\n<td>200W @ CW<\/td>\n<\/tr>\n<tr>\n<th>Application<\/th>\n<td>Cellular phone, PHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>         \uff0aReceiving antenna model (Horn antenna) is same specifications as above.<\/p>\n<table class=\"type01 MyTable\">\n<tbody>\n<tr>\n<th>Frequency range<\/th>\n<td>0.75 to 2GHz<\/td>\n<\/tr>\n<tr>\n<th>Antenna gain<\/th>\n<td>+0.5 to +10dBi(with data)<\/td>\n<\/tr>\n<tr>\n<th>Polarization<\/th>\n<td>Linear<\/td>\n<\/tr>\n<tr>\n<th>Application<\/th>\n<td>Cellular phone, PHS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff0aReceiving antenna model (Log periodic antenna) is same specifications as above.<\/p>\n<table class=\"type01 MyTable\">\n<tbody>\n<tr>\n<th>Frequency range<\/th>\n<td>300MHz to 6.2GHz<br class=\"smartphone\" \/>(M301-309\u3000According to each specification.)<\/td>\n<\/tr>\n<tr>\n<th>Antenna gain<\/th>\n<td>2.15dBi(with data)<\/td>\n<\/tr>\n<tr>\n<th>VSWR<\/th>\n<td>Linear<\/td>\n<\/tr>\n<tr>\n<th>Polarization<\/th>\n<td>Cellular phone, Wireless LAN, Bluetooth, etc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>         \uff0aReceiving antenna model (Portable antenna) is same specifications as above.<\/p>\n<p>&nbsp;<\/p>\n<h2>Applications<\/h2>\n<div class=\"numberType01\">\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><strong>Application1 : Wireless system test<\/strong><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>   With a W-CDMA, CDMA, GSM, PDC, PHS, OBE of ETC, wireless LAN, Bluetooth and wireless communication equipment, it is possible to test the wireless system in a free space that is close to actual working conditions (testing of transmission power, transmission frequency, spurious, occupied bandwidth, carrier-off leakage power, adjacent channel power, modulation factor, transmission eye pattern, etc.).<\/p>\n<div class=\"numberType01\">\n      This wireless system test is done in the state where a test sample is placed on the acrylic resin table (200 mm \u00d7 200 mm) in ME8661A as shown above, a receiving antenna is mounted in a position that is opposed to the test sample the output of a receiving antenna is connected to a spectrum analyzer, microwave wattmeter or the like. Therefore, an optional receiving antenna is needed for conducting this test.<br \/>\n      Two optional receiving antenna models, i.e., Model A and Model B, are available. It is, however, also possible to mount an antenna of different specification, if the frequency band and polarization are appropriately specified.<br \/>\n      A distance of 30 cm or greater may be provided between the test sample and the receiving antenna. An optional reference antenna is used for calibration of RF coupling degree (loss between front face of test sample and SMA connector of receiving antenna output).<br \/>\n      Antenna gain and frequency characteristics data of RF coupling degree are appended to this reference antenna. Although the antenna itself is the same whether a reference antenna or a receiving antenna, a reference antenna is provided with a fixing stand made of acrylic resin, so that it can be placed on the acrylic resin table.<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><strong>Application2 : Antenna test<\/strong><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>      Connect a signal source to the reference antenna connector and connect a measuring instrument to the receiving antenna connector. Having done this, antenna characteristics data can be acquired.<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><strong>Application3 : Electromagnetic anechoic box<\/strong><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>      Capable of using as a mere electromagnetic anechoic box without mounting antenna. It is optimum for simple preliminary experiments for EMC testing and when it is wanted to conduct a test shielded from the external magnetic field.\n   <\/p><\/div>\n<p>   &nbsp;<\/p>\n<h2>Library<\/h2>\n<ul class=\"typePencil\">\n<li>\n         Products Catalog<\/p>\n<ul>\n<li><a href=\"https:\/\/www.trekequipment.com\/MICRONIX%20Products%20DIGEST%20Catalog%20(PDF3.75MB)\" target=\"_blank\" rel=\"noopener\">MICRONIX Products DIGEST Catalog (PDF3.75MB)<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\n         Technical report<\/p>\n<ul>\n<li><a href=\"http:\/\/www.micronix-jp.com\/english\/file-download\/technical\/pdf\/E-sheildboxapl.pdf\" target=\"_blank\" rel=\"noopener\">Electromagnetic Anechoic Box(PDF)<\/a><\/li>\n<li><a href=\"http:\/\/www.micronix-jp.com\/english\/tech\/technology\/Sielding_box_Application.html\" target=\"_blank\" rel=\"noopener\">Shielding box Application<\/a><\/li>\n<li><a href=\"http:\/\/www.micronix-jp.com\/english\/tech\/technology\/emc_eng.html\" target=\"_blank\" rel=\"noopener\">Near field and far field<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>   *MICRONIX Corporation reserves the right to make changes in design, specification and other information without prior notice.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"product-short-description\">Suitable for testing W-CDMA, CDMA, GSM, PDC, PHS, ETC and wireless systems.<\/div>","protected":false},"featured_media":688,"template":"","meta":[],"manufacturer":[80],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.1 - 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