{"id":32471,"date":"2026-04-30T15:29:32","date_gmt":"2026-04-30T07:29:32","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=32471"},"modified":"2026-08-28T22:43:12","modified_gmt":"2026-08-28T14:43:12","slug":"pxie-5820","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-5820\/","title":{"rendered":"PXIe-5820"},"content":{"rendered":"<p>\u0417\u0435\u043c\u043b\u044f <strong>NI PXIe-5820<\/strong> is a wideband baseband PXI Vector Signal Transceiver (VST) designed for generating and analyzing complex I\/Q signals. It combines an I\/Q digitizer, I\/Q arbitrary waveform generator and user-programmable FPGA in a two-slot PXI Express module.<\/p>\n<p>With a <strong>DC to 500 MHz frequency range<\/strong>, <strong>1 GHz complex I\/Q bandwidth<\/strong> and 1.25 GS\/s ADC and DAC sample rates, the PXIe-5820 is suitable for baseband wireless chipset testing, power-amplifier envelope tracking, digital predistortion and advanced communications research.<\/p>\n<h3>Key Features of the NI PXIe-5820<\/h3>\n<ul>\n<li>Baseband PXI Vector Signal Transceiver<\/li>\n<li>DC to 500 MHz baseband frequency range<\/li>\n<li>1 GHz complex I\/Q bandwidth<\/li>\n<li>Wideband I\/Q signal generation and analysis<\/li>\n<li>14-bit, 1.25 GS\/s analog-to-digital converters<\/li>\n<li>16-bit, 1.25 GS\/s digital-to-analog converters<\/li>\n<li>Flexible I\/Q data rates from approximately 19 kS\/s to 1.25 GS\/s<\/li>\n<li>Xilinx Virtex-7 X690T user-programmable FPGA<\/li>\n<li>Two 2 GB FPGA-accessible DRAM banks<\/li>\n<li>Eight programmable LVCMOS digital I\/O lines<\/li>\n<li>Four high-speed serial transmit and receive lanes<\/li>\n<li>Peer-to-peer data streaming support<\/li>\n<li>Hardware triggering and PXI synchronization<\/li>\n<li>Two-slot PXI Express form factor<\/li>\n<li>NI-RFSA, NI-RFSG and RFmx software support<\/li>\n<\/ul>\n<h3>PXIe-5820 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-5820<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>Baseband PXI Vector Signal Transceiver<\/td>\n<\/tr>\n<tr>\n<th>Part Numbers<\/th>\n<td>783967-01, 789179-01 and 789180-01<\/td>\n<\/tr>\n<tr>\n<th>I\/O Type<\/th>\n<td>Complex baseband I\/Q<\/td>\n<\/tr>\n<tr>\n<th>\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0447\u0430\u0441\u0442\u043e\u0442<\/th>\n<td>DC to 500 MHz<\/td>\n<\/tr>\n<tr>\n<th>Complex I\/Q Bandwidth<\/th>\n<td>1 GHz<\/td>\n<\/tr>\n<tr>\n<th>Input Channels<\/th>\n<td>One complex I\/Q input channel on VST configurations<\/td>\n<\/tr>\n<tr>\n<th>Output Channels<\/th>\n<td>One complex I\/Q output channel<\/td>\n<\/tr>\n<tr>\n<th>I\/Q Input Components<\/th>\n<td>Two differential analog inputs: I and Q<\/td>\n<\/tr>\n<tr>\n<th>I\/Q Output Components<\/th>\n<td>Two differential analog outputs: I and Q<\/td>\n<\/tr>\n<tr>\n<th>ADC Resolution<\/th>\n<td>14 bits<\/td>\n<\/tr>\n<tr>\n<th>ADC Sample Rate<\/th>\n<td>1.25 GS\/s<\/td>\n<\/tr>\n<tr>\n<th>DAC Resolution<\/th>\n<td>16 bits<\/td>\n<\/tr>\n<tr>\n<th>DAC Sample Rate<\/th>\n<td>1.25 GS\/s, internally interpolated to 2.5 GS\/s<\/td>\n<\/tr>\n<tr>\n<th>I\/Q Data Rate<\/th>\n<td>Approximately 19 kS\/s to 1.25 GS\/s<\/td>\n<\/tr>\n<tr>\n<th>Maximum Output Level<\/th>\n<td>Up to approximately +15 dBm<\/td>\n<\/tr>\n<tr>\n<th>Onboard FPGA<\/th>\n<td>Xilinx Virtex-7 X690T<\/td>\n<\/tr>\n<tr>\n<th>FPGA Lookup Tables<\/th>\n<td>433,200<\/td>\n<\/tr>\n<tr>\n<th>FPGA DSP Slices<\/th>\n<td>3,600<\/td>\n<\/tr>\n<tr>\n<th>Embedded Block RAM<\/th>\n<td>52.9 Mbits<\/td>\n<\/tr>\n<tr>\n<th>Onboard DRAM<\/th>\n<td>Two banks, 2 GB per bank<\/td>\n<\/tr>\n<tr>\n<th>DMA Channels<\/th>\n<td>56<\/td>\n<\/tr>\n<tr>\n<th>Parallel Digital I\/O<\/th>\n<td>8 bidirectional LVCMOS lines<\/td>\n<\/tr>\n<tr>\n<th>Digital Logic Levels<\/th>\n<td>1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V<\/td>\n<\/tr>\n<tr>\n<th>High-Speed Serial I\/O<\/th>\n<td>Four transmit and four receive MGT lanes<\/td>\n<\/tr>\n<tr>\n<th>Peer-to-Peer Streaming<\/th>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<th>\u0428\u0438\u043d\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/th>\n<td>PXI Express<\/td>\n<\/tr>\n<tr>\n<th>Module Width<\/th>\n<td>2 slots<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>4.1 cm \u00d7 13.0 cm \u00d7 21.6 cm<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td>Approximately 795 g<\/td>\n<\/tr>\n<tr>\n<th>Product Status<\/th>\n<td>Active<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>PXIe-5820 Part Numbers and Configurations<\/h3>\n<table>\n<thead>\n<tr>\n<th>Part Number<\/th>\n<th>\u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f<\/th>\n<th>Input<\/th>\n<th>Output<\/th>\n<th>I\/Q Bandwidth<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>783967-01<\/td>\n<td>Original PXIe-5820 baseband VST<\/td>\n<td>Complex I\/Q analysis<\/td>\n<td>Complex I\/Q generation<\/td>\n<td>1 GHz<\/td>\n<\/tr>\n<tr>\n<td>789179-01<\/td>\n<td>PXIe-5820 standalone baseband VST, no extension<\/td>\n<td>Complex I\/Q analysis<\/td>\n<td>Complex I\/Q generation<\/td>\n<td>1 GHz<\/td>\n<\/tr>\n<tr>\n<td>789180-01<\/td>\n<td>PXIe-5820 standalone baseband vector signal generator, no extension<\/td>\n<td>Not included<\/td>\n<td>Complex I\/Q generation<\/td>\n<td>1 GHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Select a VST configuration when both I\/Q generation and analysis are required. Choose 789180-01 when the application requires only baseband arbitrary waveform generation.<\/p>\n<h3>Complex I\/Q Signal Architecture<\/h3>\n<p>The PXIe-5820 represents modulated signals using two orthogonal baseband components: in-phase data and quadrature data. Together, these I and Q signals describe the amplitude and phase of a complex modulated waveform.<\/p>\n<p>Using direct baseband I\/Q connections allows wireless chipsets, modulators, demodulators and RF transceivers to be tested without an external RF frequency-conversion stage.<\/p>\n<h3>Wideband I\/Q Digitizer<\/h3>\n<p>VST configurations include two differential 14-bit ADC inputs operating at up to 1.25 GS\/s. These inputs simultaneously acquire the I and Q components of a complex baseband signal.<\/p>\n<p>The 1 GHz complex bandwidth supports wide communication channels, carrier aggregation, envelope waveforms and signals with fast amplitude or phase transitions.<\/p>\n<h3>I\/Q Arbitrary Waveform Generator<\/h3>\n<p>The PXIe-5820 includes two differential 16-bit DAC outputs for generating the I and Q components of complex waveforms. Each DAC operates at 1.25 GS\/s and is internally interpolated to 2.5 GS\/s.<\/p>\n<p>Engineers can generate standard-compliant or custom baseband signals for receiver testing, chipset validation, amplifier envelope control and modulation research.<\/p>\n<h3>Flexible I\/Q Data Rates<\/h3>\n<p>The I\/Q input and output data rates can be configured from approximately 19 kS\/s to 1.25 GS\/s. Lower input rates are produced through fractional decimation, while lower output rates use fractional interpolation.<\/p>\n<p>This flexibility allows the module to handle both narrowband and extremely wideband signals without forcing every test to process data at the maximum rate.<\/p>\n<h3>Virtex-7 User-Programmable FPGA<\/h3>\n<p>The onboard Xilinx Virtex-7 X690T FPGA supports real-time signal processing, custom triggering and low-latency control. It includes 433,200 lookup tables, 866,400 flip-flops and 3,600 DSP48 slices.<\/p>\n<p>Custom FPGA applications can implement channel emulation, digital predistortion, envelope tracking, custom modulation, protocol-aware triggering and hardware-in-the-loop processing.<\/p>\n<h3>Onboard DRAM and Data Movement<\/h3>\n<p>The PXIe-5820 provides two independently accessible DRAM banks with 2 GB per bank. The FPGA can use this memory to store generated waveforms, acquired data or intermediate processing results.<\/p>\n<p>The module supports DMA, interrupts and programmed I\/O, with 56 DMA channels available for transferring data between the FPGA, onboard memory and PXI controller.<\/p>\n<h3>High-Speed Serial and Digital I\/O<\/h3>\n<p>The 42-pin digital connector provides eight programmable LVCMOS digital lines and four high-speed multi-gigabit transceiver lanes in each direction.<\/p>\n<p>The parallel digital lines support SPI, I\u00b2C, hardware triggers and device-control functions. The serial lanes enable high-throughput, low-latency connections to compatible digital instruments and custom hardware.<\/p>\n<h3>Peer-to-Peer Streaming<\/h3>\n<p>Peer-to-peer streaming allows the PXIe-5820 to exchange data directly with compatible PXI FPGA, storage or serial instruments without routing each transfer through host memory.<\/p>\n<p>This architecture reduces host-processor load and can improve latency in real-time recording, playback, channel-emulation and closed-loop test applications.<\/p>\n<h3>Envelope Tracking and Digital Predistortion<\/h3>\n<p>The PXIe-5820 is suitable for generating and measuring wideband envelope signals used with RF power amplifiers. Its FPGA can process digital predistortion algorithms and coordinate baseband envelope and RF stimulus paths.<\/p>\n<p>These capabilities help engineers evaluate power-amplifier efficiency, linearity, memory effects and response to rapidly changing modulation envelopes.<\/p>\n<h3>Typical PXIe-5820 Applications<\/h3>\n<ul>\n<li>Baseband I\/Q chipset testing<\/li>\n<li>Wireless transceiver validation<\/li>\n<li>5G NR baseband waveform testing<\/li>\n<li>Wi-Fi 6 and 802.11ax development<\/li>\n<li>LTE-Advanced Pro testing<\/li>\n<li>Power-amplifier envelope tracking<\/li>\n<li>Digital predistortion development<\/li>\n<li>Wideband channel emulation<\/li>\n<li>Custom modulation research<\/li>\n<li>Hardware-in-the-loop testing<\/li>\n<li>Semiconductor production testing<\/li>\n<li>Real-time signal-processing research<\/li>\n<\/ul>\n<h3>NI-RFSA, NI-RFSG and RFmx Support<\/h3>\n<p>NI-RFSA controls the digitizer and analysis path, while NI-RFSG controls baseband waveform generation. RFmx provides interactive and automated waveform creation and measurement functions.<\/p>\n<p>LabVIEW FPGA and compatible instrument design libraries are required when developing custom FPGA processing. LabVIEW, TestStand, C\/C++, .NET and supported Python environments can be used for system automation.<\/p>\n<h3>PXI Chassis and System Integration<\/h3>\n<p>The PXIe-5820 occupies two PXI Express slots and requires a compatible chassis and controller. Chassis selection should consider cooling capacity, PCI Express bandwidth and the number of additional RF or digital instruments.<\/p>\n<p>Compatible chassis options include the <a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d0%ba%d1%81%d0%b8%d0%b5-1088\/\">PXIe-1088<\/a>, <a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1092\/\">PXIe-1092<\/a> \u0438 <a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d1%8c%d0%b5-1095\/\">PXIe-1095<\/a>.<\/p>\n<h3>PXIe-5820 Troubleshooting<\/h3>\n<h4>Why does the acquired I\/Q signal show amplitude or phase imbalance?<\/h4>\n<p>Check differential wiring, cable matching, input ranges and common-mode voltage. Perform self-calibration and verify that the I and Q paths are connected with consistent polarity.<\/p>\n<h4>Why is the available complex bandwidth less than expected?<\/h4>\n<p>Confirm the configured I\/Q data rate, digital filters and application software settings. Achieving 1 GHz complex bandwidth requires an appropriately high data rate and compatible signal path.<\/p>\n<h4>Why does waveform generation underflow?<\/h4>\n<p>Check waveform-buffer configuration, PXI Express bandwidth, DMA performance and competing chassis transfers. Consider using onboard DRAM for long or high-rate waveforms.<\/p>\n<h4>Why are digital control signals not operating at the expected voltage?<\/h4>\n<p>Verify the configured LVCMOS logic level and confirm that the connected device uses a compatible voltage. The digital lines support multiple programmable levels but are not automatically tolerant of every external voltage.<\/p>\n<h4>Why can the FPGA application not access both DRAM banks?<\/h4>\n<p>Confirm that each bank is configured independently in the FPGA project and that the memory interfaces do not conflict. NI recommends using LabVIEW FPGA memory items for most DRAM applications.<\/p>\n<h4>Why can NI-RFSA or NI-RFSG not detect the module?<\/h4>\n<p>Confirm that the PXIe-5820 is installed in a compatible PXI Express slot and that supported driver versions are installed. NI-RFSA and NI-RFSG support began with version 17.1.<\/p>\n<h3>PXIe-5820 Comparison with Related NI Instruments<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>\u0422\u0438\u043f \u0441\u0438\u0433\u043d\u0430\u043b\u0430<\/th>\n<th>\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0447\u0430\u0441\u0442\u043e\u0442<\/th>\n<th>Maximum Bandwidth<\/th>\n<th>Primary Use<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PXIe-5820<\/td>\n<td>Complex baseband I\/Q<\/td>\n<td>DC to 500 MHz<\/td>\n<td>1 GHz complex<\/td>\n<td>Direct baseband generation and analysis<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5841\/\">PXIe-5841<\/a><\/td>\n<td>RF<\/td>\n<td>9 kHz to 6 GHz<\/td>\n<td>\u0414\u043e 1 \u0413\u0413\u0446<\/td>\n<td>Sub-6 GHz RF generation and analysis<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5842\/\">PXIe-5842<\/a><\/td>\n<td>RF and microwave<\/td>\n<td>Up to 54 GHz, depending on configuration<\/td>\n<td>Up to 4 GHz<\/td>\n<td>Wideband RF and microwave testing<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5433\/\">PXIe-5433<\/a><\/td>\n<td>Single-ended analog<\/td>\n<td>Baseband waveform output<\/td>\n<td>80 MHz<\/td>\n<td>General-purpose arbitrary waveform generation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5841\/\">NI PXIe-5841 Vector Signal Transceiver<\/a> \u2013 adds RF generation and analysis from 9 kHz to 6 GHz with up to 1 GHz bandwidth.<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5842\/\">NI PXIe-5842 Vector Signal Transceiver<\/a> \u2013 provides higher RF frequency coverage and bandwidth for advanced wireless and microwave testing.<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-5433\/\">NI PXIe-5433 Arbitrary Waveform Generator<\/a> \u2013 offers one or two general-purpose analog outputs with 80 MHz bandwidth.<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7902\/\">NI PXIe-7902 FPGA Coprocessor<\/a> \u2013 adds FPGA processing and high-speed serial connectivity for advanced real-time systems.<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7903\/\">NI PXIe-7903 High-Speed Serial Instrument<\/a> \u2013 provides additional high-speed digital and serial interfaces.<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product-category\/%d0%bd%d0%b8\/pxi-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d1%81\/%d0%bc%d0%be%d0%b4%d1%83%d0%bb%d0%b8-pxi\/\">NI PXI and PXI Express Modules<\/a> \u2013 browse additional RF, waveform-generation and FPGA modules.<\/li>\n<\/ul>\n<h3>How to Select the Correct PXIe-5820<\/h3>\n<p>Choose a VST configuration when the application requires simultaneous baseband I\/Q generation and analysis. Select the generator-only 789180-01 when only wideband I\/Q signal generation is required.<\/p>\n<p>Choose the PXIe-5820 instead of an RF VST when the DUT exposes direct baseband I\/Q connections. Use the PXIe-5841 or PXIe-5842 when frequency conversion and direct RF connections are required.<\/p>\n<h3>Why Choose the NI PXIe-5820?<\/h3>\n<p>The PXIe-5820 combines wideband I\/Q generation, acquisition, FPGA processing, large onboard memory and high-speed digital connectivity in one module. It provides a flexible platform for developing and automating advanced baseband communication tests.<\/p>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the frequency range of the PXIe-5820?<\/h4>\n<p>It supports direct baseband signals from DC to 500 MHz.<\/p>\n<h4>What is its maximum complex I\/Q bandwidth?<\/h4>\n<p>The PXIe-5820 provides up to 1 GHz of equalized complex I\/Q bandwidth.<\/p>\n<h4>What are the ADC and DAC sample rates?<\/h4>\n<p>The 14-bit ADCs and 16-bit DACs operate at 1.25 GS\/s. DAC data is internally interpolated to 2.5 GS\/s.<\/p>\n<h4>Does the PXIe-5820 include a user-programmable FPGA?<\/h4>\n<p>Yes. It includes a Xilinx Virtex-7 X690T FPGA for real-time signal processing and control.<\/p>\n<h4>How much onboard DRAM is available?<\/h4>\n<p>The module provides two independently accessible 2 GB DRAM banks, for a total of 4 GB.<\/p>\n<h4>Does it support high-speed serial I\/O?<\/h4>\n<p>Yes. The digital connector provides four transmit and four receive MGT lanes, plus eight programmable LVCMOS lines.<\/p>\n<h4>Can the PXIe-5820 generate RF signals directly?<\/h4>\n<p>No. It is a baseband I\/Q instrument. Use an RF VST such as the PXIe-5841 when a direct RF input or output is required.<\/p>\n<h4>How many PXI slots does it occupy?<\/h4>\n<p>The PXIe-5820 occupies two PXI Express slots.<\/p>\n<h4>Is the PXIe-5820 still an active product?<\/h4>\n<p>Yes. NI currently lists all three PXIe-5820 configurations as active products.<\/p>\n<h3>Request a Quote for the NI PXIe-5820<\/h3>\n<p>Contact us for current availability, lead time and project pricing for the <strong>NI PXIe-5820 Baseband Vector Signal Transceiver<\/strong>. Please specify whether you require a VST or generator-only configuration and provide the preferred part number.<\/p>","protected":false},"excerpt":{"rendered":"<p>RF Generator Frequency Range: MHz to 50 MHz<br \/>\nRF Generator Instantaneous Bandwidth: 1 GHz<br \/>\nRF Analyzer Frequency Range: Hz to 50 MHz<br \/>\nRF Analyzer Instantaneous Bandwidth: 1 GHz<br \/>\nGenerator Tuning Time (Typical): 0.38 ms<br \/>\nI\/O Type: Baseband<\/p>","protected":false},"featured_media":31781,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[728],"product_tag":[],"class_list":["post-32471","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-rf-and-wireless-test","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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