{"id":34773,"date":"2026-08-08T11:32:16","date_gmt":"2026-08-08T03:32:16","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=34773"},"modified":"2026-09-06T19:52:53","modified_gmt":"2026-09-06T11:52:53","slug":"pxie-5645","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-5645\/","title":{"rendered":"PXIe-5645"},"content":{"rendered":"<h3>PXIe-5645 RF and Baseband Vector Signal Transceiver<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>NI PXIe-5645<\/strong> is a reconfigurable PXI Express vector signal transceiver for RF and baseband test. It integrates a vector signal analyzer, vector signal generator, differential analog I\/Q interfaces, digital I\/O and a user-programmable FPGA.<\/p>\n<p>The instrument covers 65 MHz to 6 GHz with up to 80 MHz of digitally equalized RF bandwidth. Direct baseband I\/Q connectivity supports applications that need access to modulator, demodulator or transceiver baseband paths in addition to conventional RF measurements.<\/p>\n<h3>Key Features of the PXIe-5645<\/h3>\n<ul>\n<li>65 MHz to 6 GHz RF coverage<\/li>\n<li>Up to 80 MHz RF instantaneous bandwidth<\/li>\n<li>Integrated VSA and VSG functions<\/li>\n<li>Differential analog I\/Q input and output<\/li>\n<li>User-programmable FPGA for real-time processing<\/li>\n<li>24 bidirectional digital I\/O lines<\/li>\n<li>RF, baseband and digital interfaces in one instrument<\/li>\n<li>NI-RFSA, NI-RFSG, RFmx and LabVIEW FPGA support<\/li>\n<\/ul>\n<h3>PXIe-5645 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-5645<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>Reconfigurable RF and baseband vector signal transceiver<\/td>\n<\/tr>\n<tr>\n<th>RF Frequency Range<\/th>\n<td>65 MHz to 6 GHz<\/td>\n<\/tr>\n<tr>\n<th>Maximum RF Bandwidth<\/th>\n<td>80 MHz; frequency-dependent at low center frequencies<\/td>\n<\/tr>\n<tr>\n<th>Tuning Resolution<\/th>\n<td>Less than 1 Hz<\/td>\n<\/tr>\n<tr>\n<th>Baseband Interface<\/th>\n<td>Differential analog I\/Q input and output<\/td>\n<\/tr>\n<tr>\n<th>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/th>\n<td>24 bidirectional lines plus programmable function interfaces<\/td>\n<\/tr>\n<tr>\n<th>RF Connectors<\/th>\n<td>50-ohm SMA RF IN and RF OUT<\/td>\n<\/tr>\n<tr>\n<th>Software<\/th>\n<td>NI-RFSA, NI-RFSG, RFmx and LabVIEW FPGA<\/td>\n<\/tr>\n<tr>\n<th>Ordering Information<\/th>\n<td>Verify revision, cable set and software requirements before ordering<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>RF and Baseband Testing<\/h3>\n<p>The PXIe-5645 can test a complete RF signal path through its RF connectors or access differential I\/Q signals directly. This makes it useful for characterizing mixers, modulators, demodulators, transceivers and custom communication prototypes.<\/p>\n<h3>80 MHz Signal Bandwidth<\/h3>\n<p>Maximum equalized bandwidth is 80 MHz. NI specifies reduced bandwidth at lower LO frequencies, so test plans should use the published center-frequency limits when selecting waveform bandwidth.<\/p>\n<h3>Reconfigurable FPGA Processing<\/h3>\n<p>Custom FPGA code can implement deterministic triggering, inline DSP, waveform control and application-specific protocol behavior. Processing close to the converters reduces latency compared with host-only analysis.<\/p>\n<h3>Typical PXIe-5645 Applications<\/h3>\n<ul>\n<li>RF transceiver design validation<\/li>\n<li>Baseband I\/Q component testing<\/li>\n<li>Wireless modulation and demodulation analysis<\/li>\n<li>RFIC and mixed-signal production test<\/li>\n<li>Software-defined radio prototyping<\/li>\n<li>Custom real-time RF control<\/li>\n<\/ul>\n<h3>PXIe-5645 vs PXIe-5644<\/h3>\n<p>Both models provide 65 MHz to 6 GHz RF coverage and 80 MHz maximum bandwidth. Select the PXIe-5645 when direct differential analog I\/Q access is required; select the <a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5644\/\">PXIe-5644<\/a> for an RF-focused legacy VST configuration.<\/p>\n<h3>PXIe-5645 vs PXIe-5646<\/h3>\n<p>The PXIe-5646 increases maximum instantaneous bandwidth to 200 MHz. The PXIe-5645 remains attractive for 80 MHz applications that specifically need its RF and baseband connection architecture.<\/p>\n<h3>Frequently Asked Questions<\/h3>\n<h4>Does the PXIe-5645 support baseband I\/Q signals?<\/h4>\n<p>Yes. It provides differential analog I\/Q input and output in addition to RF input and output.<\/p>\n<h4>What is its RF frequency range?<\/h4>\n<p>The RF input and output operate from 65 MHz to 6 GHz.<\/p>\n<h4>What is the maximum RF bandwidth?<\/h4>\n<p>The maximum digitally equalized RF bandwidth is 80 MHz, with reduced limits at low center frequencies.<\/p>\n<h4>Which software controls the module?<\/h4>\n<p>NI-RFSA and NI-RFSG control acquisition and generation; RFmx supports measurements, and LabVIEW FPGA supports compatible custom FPGA development.<\/p>\n<h3>Request a Quote for the PXIe-5645<\/h3>\n<p>Contact us for availability, configuration review and pricing for the <strong>PXIe-5645 RF and Baseband Vector Signal Transceiver<\/strong>. We can also help select compatible I\/Q cables, RF accessories and PXI Express chassis.<\/p>","protected":false},"excerpt":{"rendered":"<p>RF Generator Frequency Range: 65 MHz to 6 GHz<br \/>\nRF Generator Instantaneous Bandwidth: 80 MHz<br \/>\nRF Analyzer Frequency Range: 65 MHz to 6 GHz<br \/>\nRF Analyzer Instantaneous Bandwidth: 80 MHz<br \/>\nGenerator Tuning Time (Typical): 0.95 ms<br \/>\nI\/O Type: Baseband<br \/>\nNumber of Input Channels: 1<br \/>\nMaximum Output Power: 10 dBm<br \/>\nAverage Noise Level: -144 dBm\/Hz<br \/>\nBus Connection: PXI Express<br \/>\nModule Width: 4<br \/>\n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u0443\u044e \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0443 Peer-to-Peer: \u0414\u0430<br \/>\nAnalyzer Tuning Time (Typical): 1.2 ms<\/p>","protected":false},"featured_media":31766,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[667],"product_tag":[],"class_list":["post-34773","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-modules","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI PXIe-5645 PXI Vector Signal Transceiver 784758-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"The PXIe-5645 combines 6 GHz RF generation and analysis, 80 MHz bandwidth, baseband I\/Q access and a user-programmable FPGA in one VST for automated test.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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