{"id":3816,"date":"2026-06-10T20:25:19","date_gmt":"2026-06-10T20:25:19","guid":{"rendered":"https:\/\/www.apexwaves.com\/blog\/?p=3816"},"modified":"2026-06-17T13:50:34","modified_gmt":"2026-06-17T13:50:34","slug":"the-ni-pxie-5841-a-vital-vst-for-emersons-growing-portfolio","status":"publish","type":"post","link":"https:\/\/www.apexwaves.com\/blog\/the-ni-pxie-5841-a-vital-vst-for-emersons-growing-portfolio\/","title":{"rendered":"The NI PXIe-5841: A Vital VST for Emerson\u2019s Growing Portfolio"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pxie-5841.mp3\"><\/audio><figcaption class=\"wp-element-caption\"><strong><em>Click here to listen to this post.<\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-left\">In the world of test and measurement, radio frequency (RF) testing is evolving. RF setups have historically been complex, specialized, and costly, but today\u2019s engineers are leaning toward standardized and scalable platforms instead. This is made possible in part by <strong>PXI Vector Signal Transceivers (VSTs),<\/strong> which combine RF and baseband vector signal analyzers and generators with an onboard FPGA for real-time signal processing and control. Let\u2019s take a closer look at why the <strong>PXIe-5841<\/strong> from <strong>NI<\/strong> is regarded as a core VST for <strong>Emerson\u2019s <\/strong>portfolio.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-559042a661858e8d3b062e436f32bfc2\" style=\"font-size:25px\">Offering a Solution for Modern RF Testing Demands<\/h2>\n\n\n\n<p class=\"has-text-align-left\">The <strong><a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/pxi-vector-signal-transceiver\/PXIe-5841\">NI PXIe-5841<\/a><\/strong> is one of the core VST instruments that were recently highlighted by <strong>Emerson <\/strong>at the <a href=\"https:\/\/ims-ieee.org\/\">IEEE International MTT Symposia<\/a> in Boston, MA. Its user-friendly modular framework supports calibrated and synchronized RF measurements, fast performance, and optimized automation. While obtaining and operating high-performance RF test equipment has long been difficult for cost-sensitive applications, this improved VST makes it possible for engineering teams to implement advanced measurement techniques earlier in development and then scale them through production with consistency and efficiency at a more affordable price point. This is especially beneficial for RF research applications such as medical device development, academic research, and entry-level electronic validation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"507\" src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pxie-5841-side-1024x507.webp\" alt=\"Side view of the PXIe-5841 Vector Signal Transceiver from NI\" class=\"wp-image-3818\" srcset=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pxie-5841-side-1024x507.webp 1024w, https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pxie-5841-side-300x149.webp 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-86573e28c7dc8972ca941b3f2395f161\" style=\"font-size:25px\">Why is the PXIe-5841 a \u2018Core\u2019 VST?<\/h2>\n\n\n\n<p class=\"has-text-align-left\">The PXIe-5841 is specifically tailored to optimize <strong>speed<\/strong>, <strong>simplicity<\/strong>, and <strong>versatility <\/strong>for lab-grade measurements. The device offers unparalleled flexibility, allowing users to tailor the hardware to meet their unique testing needs. Because not every application will need full transceiver capabilities, the device is available in multiple variations to meet the unique needs of a wide range of testing scenarios. These include transmit-only (<strong>Vector Signal Generator<\/strong>), receive-only (<strong>Vector Signal Analyzer<\/strong>), and full transceiver (<strong>Vector Signal Transceiver<\/strong>) capabilities.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Each of the variations of the PXIe-5841 have an identifying part number (also known as a catalog number\u2013 read our post here about how to identify the different part numbers on your NI hardware!). Part numbers <strong>786982-01, 788842-01, <\/strong>and <strong>788843-01 <\/strong>are all standalone versions of the device, but <strong>788842-01 <\/strong>and<strong> 788843-01<\/strong> are generator-only (transmit) and analyzer-only (receive) respectively, operating mainly as a Vector Signal Generator (VSG) and a Vector Signal Analyzer (VSA).&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left\">Part numbers <strong>788844-01 <\/strong>and <strong>788845-01<\/strong> are also transmit-only and receive-only, respectively, but these both include an enhanced LO synthesizer. Part number <strong>789185-01<\/strong> is the 200 MHz version of the PXIe-5841 without FPGA access or custom extensions, while part number <strong>785832-01<\/strong> is the variation of the device that is paired with the <a href=\"https:\/\/www.apexwaves.com\/modular-systems\/national-instruments\/pxi-signal-generator-modules\/PXIe-5655\"><strong>PXIe-5655<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"has-text-align-left\">The adaptability of the PXIe-5841 is also evident in its environmental specifications. The full operating temperature of the device ranges from 0\u00b0C to 55\u00b0C when used with chassis that have a slot cooling capacity that is greater than or equal to 58 W. However, the VST can also be used in smaller chassis configurations at a reduced temperature range of 0\u00b0C to 40\u00b0C (with the chassis fan set to high), which can help <strong>reduce costs<\/strong> for users.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left\">Some real-world applications for the device include <strong>low-frequency and ISM-band testing<\/strong>, <strong>entry-level RF testing<\/strong> (such as validating healthcare devices and producing small-form-factor electronic devices), and <strong>automated production testing<\/strong>.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pexels-hoang-nc-483165236-16057288-1024x683.jpg\" alt=\"Engineers working on a system workflow\" class=\"wp-image-3819\" srcset=\"https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pexels-hoang-nc-483165236-16057288-1024x683.jpg 1024w, https:\/\/www.apexwaves.com\/blog\/wp-content\/uploads\/2026\/06\/pexels-hoang-nc-483165236-16057288-300x200.jpg 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-58f92d4370a7b6151ad6762cc8f67e74\" style=\"font-size:25px\">FACILITATING FUTURE-READY WORKFLOWS<\/h3>\n\n\n\n<p class=\"has-text-align-left\">The scalability of the PXIe-5841 allows it to easily integrate with existing NI software suites, including <strong>LabVIEW<\/strong>, <strong>RFmx<\/strong>, and <strong>InstrumentStudio<\/strong>. Over time, engineering teams can easily transition from their inexpensive setup to a more automated and data-driven workflow. Looking toward the future, the flexible nature of these setups will more easily adapt to emerging <strong>AI capabilities.&nbsp;<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-left has-black-color has-text-color has-link-color wp-elements-83c39330aae7c9d0d358f85068ce6409\" style=\"font-size:25px\">SCALING YOUR RF TESTING SYSTEM WITH APEX WAVES<\/h3>\n\n\n\n<p class=\"has-text-align-left\">NI Vector Signal Transceivers, including the PXIe-5841, will remain available in perpetuity with<strong> Apex Waves! <\/strong>We offer discounts as low as<strong> 50% off MSRP<\/strong>, as well as <strong>International <\/strong>and <strong>Expedited <\/strong>shipping options. When you need specific NI parts quickly, you can rely on our fully tested inventory of <strong>over 10,000 models.<\/strong> Choose Apex Waves to help you accelerate your testing system setup. <strong><a href=\"https:\/\/www.apexwaves.com\/fast-quote.php\">Request a quote today!<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the world of test and measurement, radio frequency (RF) testing is evolving. RF setups have historically been complex, specialized, and costly, but today\u2019s engineers are leaning toward standardized and scalable platforms instead. This is made possible in part by PXI Vector Signal Transceivers (VSTs), which combine RF and baseband vector signal analyzers and generators [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[229,393,437,574,955],"class_list":["post-3816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-instruments","tag-emerson","tag-national-instruments","tag-ni","tag-pxi","tag-vector-signal-transceiver"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/3816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/comments?post=3816"}],"version-history":[{"count":3,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/3816\/revisions"}],"predecessor-version":[{"id":3826,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/3816\/revisions\/3826"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media\/3817"}],"wp:attachment":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media?parent=3816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/categories?post=3816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/tags?post=3816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}