{"id":188301,"date":"2025-08-25T15:17:28","date_gmt":"2025-08-25T08:17:28","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=188301"},"modified":"2025-08-25T15:32:08","modified_gmt":"2025-08-25T08:32:08","slug":"keysight-e4991b-impedance-analyzer","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/keysight-e4991b-impedance-analyzer\/","title":{"rendered":"Keysight E4991B Impedance Analyzer"},"content":{"rendered":"<h2 data-start=\"194\" data-end=\"269\">Keysight E4991B Impedance Analyzer \u2013 1 MHz to 500 MHz \/ 1 GHz \/ 3 GHz<\/h2>\n<figure id=\"attachment_188292\" aria-describedby=\"caption-attachment-188292\" style=\"width: 1156px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/08\/Keysight-E4991B.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-188292\" src=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/08\/Keysight-E4991B.png\" alt=\"Keysight E4991B\" width=\"1156\" height=\"770\" \/><\/a><figcaption id=\"caption-attachment-188292\" class=\"wp-caption-text\">Keysight E4991B<\/figcaption><\/figure>\n<h3 data-start=\"271\" data-end=\"605\">Overview<\/h3>\n<p data-start=\"271\" data-end=\"605\">The Keysight E4991B is a high-performance impedance analyzer designed for electronic components, semiconductor devices, and materials characterization. With upgradable frequency options up to 3 GHz, wide impedance range, and advanced material measurement capabilities, it is ideal for both R&amp;D and production testing.<\/p>\n<h3 data-start=\"607\" data-end=\"850\">Applications<\/h3>\n<p data-start=\"607\" data-end=\"850\">\u2022 Characterization of passive components (L, C, R)<br data-start=\"676\" data-end=\"679\" \/>\u2022 Semiconductor device evaluation<br data-start=\"712\" data-end=\"715\" \/>\u2022 Dielectric and magnetic materials testing<br data-start=\"758\" data-end=\"761\" \/>\u2022 Temperature-dependent material analysis<br data-start=\"802\" data-end=\"805\" \/>\u2022 On-wafer and micro-component measurements<\/p>\n<h3 data-start=\"852\" data-end=\"882\">Technical Specifications<\/h3>\n<ul data-start=\"883\" data-end=\"1662\">\n<li data-start=\"883\" data-end=\"956\">\n<p data-start=\"885\" data-end=\"956\">Frequency Options: 1 MHz to 500 MHz \/ 1 GHz \/ 3 GHz (upgradeable)<\/p>\n<\/li>\n<li data-start=\"957\" data-end=\"996\">\n<p data-start=\"959\" data-end=\"996\">Accuracy: \u00b10.65% basic accuracy<\/p>\n<\/li>\n<li data-start=\"997\" data-end=\"1058\">\n<p data-start=\"999\" data-end=\"1058\">Impedance Range: 120 m\u2126 to 52 k\u2126 (10% accuracy range)<\/p>\n<\/li>\n<li data-start=\"1059\" data-end=\"1189\">\n<p data-start=\"1061\" data-end=\"1189\">Measurement Parameters: |Z|, |Y|, \u03b8, R, X, G, B, L, C, D, Q, |\u0393|, \u0393x, \u0393y, \u03b8\u0393, Vac, Iac, Vdc\u00b9, Idc\u00b9 (<em data-start=\"1165\" data-end=\"1186\">Option 001 required<\/em>)<\/p>\n<\/li>\n<li data-start=\"1190\" data-end=\"1255\">\n<p data-start=\"1192\" data-end=\"1255\">Built-in DC Bias (Opt. 001): 0 V to \u00b140 V, 0 A to \u00b1100 mA<\/p>\n<\/li>\n<li data-start=\"1256\" data-end=\"1331\">\n<p data-start=\"1258\" data-end=\"1331\">Display: 10.4-inch color LCD, 4-channel \/ 4-trace with touch screen<\/p>\n<\/li>\n<li data-start=\"1332\" data-end=\"1399\">\n<p data-start=\"1334\" data-end=\"1399\">Data Analysis: Equivalent circuit analysis, limit line test<\/p>\n<\/li>\n<li data-start=\"1400\" data-end=\"1492\">\n<p data-start=\"1402\" data-end=\"1492\">Material Measurements (Opt. 002): |\u03b5r|, \u03b5r\u2032, \u03b5r\u2032\u2032, tan\u03b4(\u03b5), |\u03bcr|, \u03bcr\u2032, \u03bcr\u2032\u2032, tan\u03b4(\u03bc)<\/p>\n<\/li>\n<li data-start=\"1493\" data-end=\"1579\">\n<p data-start=\"1495\" data-end=\"1579\">Temperature Characteristics (Opt. 007): Temperature-dependent material testing<\/p>\n<\/li>\n<li data-start=\"1580\" data-end=\"1662\">\n<p data-start=\"1582\" data-end=\"1662\">On-Wafer Measurements (Opt. 010): Probe station connection kit up to 3 GHz<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1664\" data-end=\"1682\">Key Features<\/h3>\n<ul data-start=\"1683\" data-end=\"2043\">\n<li data-start=\"1683\" data-end=\"1726\">\n<p data-start=\"1685\" data-end=\"1726\">Flexible upgradeable frequency coverage<\/p>\n<\/li>\n<li data-start=\"1727\" data-end=\"1787\">\n<p data-start=\"1729\" data-end=\"1787\">Built-in DC bias for semiconductor and materials testing<\/p>\n<\/li>\n<li data-start=\"1788\" data-end=\"1855\">\n<p data-start=\"1790\" data-end=\"1855\">Advanced dielectric and magnetic material measurement functions<\/p>\n<\/li>\n<li data-start=\"1856\" data-end=\"1928\">\n<p data-start=\"1858\" data-end=\"1928\">Reliable on-wafer and micro-component testing with probe station kit<\/p>\n<\/li>\n<li data-start=\"1929\" data-end=\"2043\">\n<p data-start=\"1931\" data-end=\"2043\">Works with Keysight N1500A-005 Material Measurement Suite for simplified setup and reporting (up to 1 GHz)<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h3>Highlights:<\/h3>\n<ul>\n<li>Three upgradable frequency options: 1 MHz to 500 MHz\/1 GHz\/3 GHz<\/li>\n<li>Basic accuracy \u00b10.65%\u00a0and 120 m\u2126 to 52 k\u2126 impedance range (10% measurement accuracy range)<\/li>\n<li>Measurement parameters: |Z|, |Y|, \u03b8, R, X, G, B, L, C, D, Q, |\u0393|, \u0393x, \u0393y, \u03b8\u0393, Vac, Iac, Vdc<sup>1<\/sup>, Idc<sup>1<\/sup>\u00a0(1. Option 001 is required)<\/li>\n<li>Built-in DC bias (Option 001): 0 V to \u00b140 V, 0 A to \u00b1100 mA<\/li>\n<li>4-channel &amp; 4-trace on 10.4-inch color LCD with touch screen<\/li>\n<li>Data analysis function: Equivalent circuit analysis, limit line test<\/li>\n<li>Dielectric\/magnetic material measurement (Option 002):\u00a0|\u03b5r|, \u03b5r&#8217;, \u03b5r&#8221;, tan\u03b4(\u03b5), |\u03bcr|, \u03bcr&#8217;, \u03bcr&#8221;, tan\u03b4(\u03bc)<\/li>\n<li>Temperature characteristics measurement (Option 007) and reliable on\u2013wafer measurement (Option 010) capabilities<\/li>\n<\/ul>\n<a href=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2025\/08\/E4991B-Impedance-Analyzer_compressed.pdf\" class=\"button alert is-alert is-medium\"  >\n    <span>E4991B Impedance Analyzer<\/span>\n  <\/a>\n\n","protected":false},"featured_media":188292,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[260,274],"product_tag":[],"class_list":{"0":"post-188301","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-measuring-instruments","7":"product_cat-electrical-measuring-instruments","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Keysight E4991B Impedance Analyzer - Techmaster Electronics JSC<\/title>\n<meta name=\"description\" content=\"Keysight E4991B Impedance Analyzer \u2013 1 MHz to 3 GHz, wide impedance range, material measurement options, temperature testing, and on-wafer solutions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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