{"id":34562,"date":"2026-08-07T12:46:34","date_gmt":"2026-08-07T04:46:34","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=34562"},"modified":"2026-08-27T18:59:00","modified_gmt":"2026-08-27T10:59:00","slug":"pcie-6738","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pcie-6738\/","title":{"rendered":"PCIe-6738"},"content":{"rendered":"<h3>Product Introduction<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI PCIe-6738<\/strong> is a high-channel-count <strong>PCI Express analog output device<\/strong> designed for automated test, stimulus generation, control, hardware-in-the-loop testing, sensor simulation, and laboratory applications.\n<\/p>\n<p>\nThe PCIe-6738 provides <strong>32 analog output channels<\/strong> \u0441 <strong>16-\u0431\u0438\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong> and update rates up to <strong>1 MS\/s<\/strong>. Its high analog output channel density makes it particularly suitable for systems that need to generate multiple independent voltage signals from a single PCI Express device.\n<\/p>\n<p>\nIn addition to analog output generation, the PCIe-6738 provides digital I\/O and counter\/timer resources that can be used for triggering, synchronization, digital control, pulse generation, and automated test sequencing.\n<\/p>\n<h3>Product Overview<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>National Instruments PCIe-6738<\/strong> is designed primarily for applications requiring a large number of hardware-timed analog outputs.\n<\/p>\n<p>\nA typical signal-generation architecture is:\n<\/p>\n<p>\n<strong>Host Computer \u2192 PCI Express \u2192 PCIe-6738 \u2192 Multiple Analog Outputs \u2192 DUT \/ Control System<\/strong>\n<\/p>\n<p>\nThe device can generate multiple analog voltage signals under software or hardware-timed control, making it useful for multi-channel stimulus-response testing and simulation systems.\n<\/p>\n<h3>Key Features<\/h3>\n<h4>32 Analog Output Channels<\/h4>\n<p>\nThe PCIe-6738 provides <strong>32 analog output channels<\/strong>, allowing a large number of independent voltage signals to be generated from one PCI Express device.\n<\/p>\n<p>\n\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n<ul>\n<li>Multi-channel stimulus generation<\/li>\n<li>Sensor simulation<\/li>\n<li>Automated electronic test<\/li>\n<li>Control signal generation<\/li>\n<li>Hardware-in-the-loop testing<\/li>\n<li>Laboratory automation<\/li>\n<li>Production test<\/li>\n<\/ul>\n<h4>16-Bit Analog Output Resolution<\/h4>\n<p>\nThe analog output subsystem provides <strong>16-\u0431\u0438\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong>.\n<\/p>\n<p>\nHigh-resolution output generation is useful when an application requires precise programmable voltage levels rather than simple low-resolution control signals.\n<\/p>\n<h4>Up to 1 MS\/s Analog Output Update Rate<\/h4>\n<p>\nThe PCIe-6738 supports analog output update rates up to <strong>1 MS\/s<\/strong>, enabling hardware-timed waveform and stimulus generation for demanding automated test and control applications.\n<\/p>\n<p>\nThe actual achievable performance depends on the channel configuration, waveform generation mode, system architecture, and application requirements.\n<\/p>\n<h4>\u00b110 V Analog Output Range<\/h4>\n<p>\nThe PCIe-6738 provides programmable analog voltage outputs suitable for applications requiring signals within approximately a <strong>\u00b110 V output range<\/strong>.\n<\/p>\n<p>\nAlways verify the required output voltage, current drive, connected load, and grounding configuration before connecting the device to external equipment.\n<\/p>\n<h4>High Channel Density<\/h4>\n<p>\nOne of the primary advantages of the PCIe-6738 is its combination of <strong>32 analog output channels<\/strong> in a single PCI Express device.\n<\/p>\n<p>\nThis can reduce the number of separate analog output devices required in large automated test and simulation systems.\n<\/p>\n<h4>Hardware-Timed Waveform Generation<\/h4>\n<p>\nThe PCIe-6738 supports hardware-timed analog output generation.\n<\/p>\n<p>\nThis allows output waveforms to be generated according to a hardware sample clock rather than relying on software timing.\n<\/p>\n<p>\nTypical waveform applications include:\n<\/p>\n<ul>\n<li>Sine wave generation<\/li>\n<li>Ramp generation<\/li>\n<li>Step sequences<\/li>\n<li>Arbitrary stimulus profiles<\/li>\n<li>Sensor signal simulation<\/li>\n<li>Control reference generation<\/li>\n<\/ul>\n<h4>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/h4>\n<p>\nThe PCIe-6738 also provides digital I\/O resources that can be used alongside the analog output subsystem.\n<\/p>\n<p>\nDigital I\/O can support:\n<\/p>\n<ul>\n<li>DUT configuration<\/li>\n<li>Test fixture control<\/li>\n<li>Trigger signals<\/li>\n<li>Status monitoring<\/li>\n<li>Digital synchronization<\/li>\n<li>Automated test sequencing<\/li>\n<\/ul>\n<h4>Counter\/Timer Resources<\/h4>\n<p>\nHardware counter\/timer resources provide additional timing and pulse functionality.\n<\/p>\n<p>\n\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n<ul>\n<li>\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043e\u0432<\/li>\n<li>\u041f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\u0439<\/li>\n<li>Frequency measurement<\/li>\n<li>Period measurement<\/li>\n<li>Pulse-width measurement<\/li>\n<li>Encoder-related measurements<\/li>\n<\/ul>\n<h4>PCI Express Interface<\/h4>\n<p>\nThe PCIe-6738 installs into a compatible <strong>PCI Express slot<\/strong> in a desktop, workstation, rackmount computer, or industrial PC.\n<\/p>\n<p>\nPCI Express connectivity makes the device suitable for integrated automated test systems requiring direct host-computer installation.\n<\/p>\n<h4>NI-DAQmx Integration<\/h4>\n<p>\nThe PCIe-6738 is designed for use with compatible <strong>\u041d\u0418-DAQmx<\/strong> software.\n<\/p>\n<p>\nNI-DAQmx provides configuration and programming support for:\n<\/p>\n<ul>\n<li>Analog output generation<\/li>\n<li>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/li>\n<li>Counter\/timers<\/li>\n<li>Sample clocks<\/li>\n<li>Hardware triggering<\/li>\n<li>\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n<li>Waveform generation<\/li>\n<\/ul>\n<h3>Technical Specifications<\/h3>\n<table>\n<tr>\n<th>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th>\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<\/tr>\n<tr>\n<td width=\"280\">Product Type<\/td>\n<td>High-Density Analog Output Device<\/td>\n<\/tr>\n<tr>\n<td>\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\n<td>PCIe-6738<\/td>\n<\/tr>\n<tr>\n<td>Manufacturer<\/td>\n<td>\u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b<\/td>\n<\/tr>\n<tr>\n<td>\u0428\u0438\u043d\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/td>\n<td>PCI Express<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Channels<\/td>\n<td>32<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Resolution<\/td>\n<td>16 Bit<\/td>\n<\/tr>\n<tr>\n<td>Maximum Analog Output Update Rate<\/td>\n<td>Up to 1 MS\/s<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Range<\/td>\n<td>Approximately \u00b110 V<\/td>\n<\/tr>\n<tr>\n<td>Hardware-Timed Analog Output<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Counter\/Timers<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Hardware Triggering<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Driver<\/td>\n<td>\u041d\u0418-DAQmx<\/td>\n<\/tr>\n<tr>\n<td>Primary Function<\/td>\n<td>Multi-Channel Analog Voltage Generation<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/td>\n<td>Automated Test, Sensor Simulation, HIL, Control and Waveform Generation<\/td>\n<\/tr>\n<\/table>\n<h3>How Does the PCIe-6738 Work?<\/h3>\n<p>\nThe PCIe-6738 receives waveform or voltage commands from the host application and converts digital data into analog output signals.\n<\/p>\n<p>\nA simplified signal path is:\n<\/p>\n<p>\n<strong>Application Software \u2192 NI-DAQmx \u2192 PCI Express \u2192 PCIe-6738 DAC \u2192 Analog Output \u2192 DUT<\/strong>\n<\/p>\n<p>\nFor hardware-timed generation, output samples are generated according to a hardware clock:\n<\/p>\n<p>\n<strong>Waveform Buffer \u2192 Hardware Sample Clock \u2192 DAC \u2192 Analog Output<\/strong>\n<\/p>\n<p>\nThis provides substantially more predictable waveform timing than repeatedly updating output values using software commands.\n<\/p>\n<h3>What Is a High-Density Analog Output Device?<\/h3>\n<p>\nA high-density analog output device is designed to generate many independent analog signals from one hardware platform.\n<\/p>\n<p>\nThe PCIe-6738 provides 32 analog outputs, making it suitable for systems that need to control or simulate many analog signals simultaneously.\n<\/p>\n<p>\n\u041e\u0431\u0449\u0438\u0435 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n<ul>\n<li>ECU testing<\/li>\n<li>Electronic device validation<\/li>\n<li>Multi-channel sensor simulation<\/li>\n<li>Control-system testing<\/li>\n<li>Production test fixtures<\/li>\n<li>Research systems<\/li>\n<\/ul>\n<h3>Multi-Channel Analog Signal Generation<\/h3>\n<p>\nThe 32 analog output channels can generate multiple voltage signals for a device under test or external control system.\n<\/p>\n<p>\n\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440:\n<\/p>\n<p>\n<strong>AO0 \u2192 Signal 1<\/strong><br \/>\n<strong>AO1 \u2192 Signal 2<\/strong><br \/>\n<strong>AO2 \u2192 Signal 3<\/strong><br \/>\n<strong>AO3 \u2192 Signal 4<\/strong><br \/>\n<strong>&#8230; \u2192 Up to 32 Analog Outputs<\/strong>\n<\/p>\n<p>\nThis high channel density is particularly useful when simulating multiple sensors or generating many control reference signals.\n<\/p>\n<h3>Hardware-Timed vs Software-Timed Output<\/h3>\n<table>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>Hardware-Timed Output<\/th>\n<th>Software-Timed Output<\/th>\n<\/tr>\n<tr>\n<td>Timing Source<\/td>\n<td><strong>Hardware Clock<\/strong><\/td>\n<td>Host Software<\/td>\n<\/tr>\n<tr>\n<td>Timing Consistency<\/td>\n<td><strong>High<\/strong><\/td>\n<td>Operating-System Dependent<\/td>\n<\/tr>\n<tr>\n<td>Waveform Generation<\/td>\n<td><strong>Recommended<\/strong><\/td>\n<td>Basic Static Updates<\/td>\n<\/tr>\n<tr>\n<td>Deterministic Sample Interval<\/td>\n<td><strong>Better<\/strong><\/td>\n<td>\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0439<\/td>\n<\/tr>\n<tr>\n<td>Typical Application<\/td>\n<td>Stimulus \/ Simulation<\/td>\n<td>Slow Control<\/td>\n<\/tr>\n<\/table>\n<h3>Waveform Generation<\/h3>\n<p>\nThe PCIe-6738 can generate hardware-timed analog waveforms for automated test and laboratory applications.\n<\/p>\n<p>\nTypical waveform types can include:\n<\/p>\n<ul>\n<li>Sine waves<\/li>\n<li>Square-like analog levels<\/li>\n<li>Triangle waves<\/li>\n<li>Ramp signals<\/li>\n<li>Step sequences<\/li>\n<li>Custom arbitrary waveforms<\/li>\n<li>Recorded sensor profiles<\/li>\n<\/ul>\n<p>\nThe required waveform is typically generated in software, transferred to an output buffer, and clocked through the analog output subsystem.\n<\/p>\n<h3>Sensor Simulation<\/h3>\n<p>\nHigh channel density makes the PCIe-6738 particularly useful for <strong>sensor simulation<\/strong>.\n<\/p>\n<p>\nA test system can generate multiple programmable voltage signals representing sensor outputs and apply them to a controller or device under test.\n<\/p>\n<p>\nA typical architecture is:\n<\/p>\n<p>\n<strong>Test Software \u2192 PCIe-6738 \u2192 Simulated Sensor Voltages \u2192 ECU \/ Controller \/ DUT<\/strong>\n<\/p>\n<p>\nPossible simulated signals include:\n<\/p>\n<ul>\n<li>Position sensor voltages<\/li>\n<li>Pressure sensor outputs<\/li>\n<li>Temperature-transmitter voltages<\/li>\n<li>Throttle or pedal position signals<\/li>\n<li>Control reference voltages<\/li>\n<li>Generic analog sensor outputs<\/li>\n<\/ul>\n<p>\nSpecialized sensors that require resistance, current, frequency, differential, or other electrical characteristics may require additional external circuitry.\n<\/p>\n<h3>Hardware-in-the-Loop Testing<\/h3>\n<p>\nThe PCIe-6738 can serve as an analog stimulus-generation component in a <strong>hardware-in-the-loop (HIL) test system<\/strong>.\n<\/p>\n<p>\nA typical architecture is:\n<\/p>\n<p>\n<strong>Simulation Model \u2192 PCIe-6738 \u2192 Analog Stimulus \u2192 Controller \/ DUT<\/strong>\n<\/p>\n<p>\nOther DAQ or measurement hardware can simultaneously acquire the DUT response.\n<\/p>\n<p>\nThe PCIe-6738 is especially useful when the HIL system requires many analog voltage outputs but does not require FPGA-based custom I\/O on every channel.\n<\/p>\n<h3>Automated Test Applications<\/h3>\n<p>\nThe PCIe-6738 can provide programmable stimulus signals within automated functional test systems.\n<\/p>\n<p>\nA typical test sequence can:\n<\/p>\n<ol>\n<li>Configure the analog output channels.<\/li>\n<li>Load the required stimulus waveforms.<\/li>\n<li>Configure timing and triggering.<\/li>\n<li>Start hardware-timed generation.<\/li>\n<li>Apply stimulus to the DUT.<\/li>\n<li>Acquire DUT responses using measurement hardware.<\/li>\n<li>Analyze the measurement results.<\/li>\n<li>Determine pass or fail status.<\/li>\n<\/ol>\n<h3>Electronic Validation<\/h3>\n<p>\nElectronic validation systems can use the PCIe-6738 to generate controlled analog voltages while separate measurement devices monitor the response of the DUT.\n<\/p>\n<p>\nA typical stimulus-response architecture is:\n<\/p>\n<p>\n<strong>PCIe-6738 \u2192 Analog Stimulus \u2192 DUT \u2192 Measurement Device \u2192 Test Software<\/strong>\n<\/p>\n<p>\nThis architecture is useful for validating electronic controllers, embedded systems, analog interfaces, and production electronics.\n<\/p>\n<h3>Control Applications<\/h3>\n<p>\nThe PCIe-6738 can generate analog control signals for compatible laboratory and industrial systems.\n<\/p>\n<p>\nPossible applications include:\n<\/p>\n<ul>\n<li>Reference voltage generation<\/li>\n<li>Setpoint control<\/li>\n<li>Actuator command signals<\/li>\n<li>Laboratory equipment control<\/li>\n<li>Process simulation<\/li>\n<li>Prototype control systems<\/li>\n<\/ul>\n<p>\nExternal amplifiers or drivers should be used when the controlled load requires more voltage, current, or power than the analog output channels can provide.\n<\/p>\n<h3>\u0417\u0430\u043f\u0443\u0441\u043a<\/h3>\n<p>\nHardware triggering allows analog output generation to start in response to a defined hardware event.\n<\/p>\n<p>\nA typical triggered generation architecture is:\n<\/p>\n<p>\n<strong>External Trigger \u2192 PCIe-6738 \u2192 Start Analog Output Waveform<\/strong>\n<\/p>\n<p>\nThis allows stimulus generation to be coordinated with a DUT, measurement instrument, or other test-system hardware.\n<\/p>\n<h3>\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f<\/h3>\n<p>\nSynchronization is important when the PCIe-6738 operates with other DAQ or measurement devices.\n<\/p>\n<p>\nDepending on the system architecture, clocks and trigger signals can be shared to coordinate:\n<\/p>\n<ul>\n<li>Analog output generation<\/li>\n<li>Analog input acquisition<\/li>\n<li>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/li>\n<li>Counter operations<\/li>\n<li>External instruments<\/li>\n<\/ul>\n<p>\nProper synchronization helps preserve the timing relationship between generated stimulus and measured response.\n<\/p>\n<h3>Digital I\/O Applications<\/h3>\n<p>\nDigital I\/O resources can complement the analog outputs in automated test systems.\n<\/p>\n<p>\nTypical uses include:\n<\/p>\n<ul>\n<li>DUT enable signals<\/li>\n<li>Fixture control<\/li>\n<li>Digital mode selection<\/li>\n<li>Status monitoring<\/li>\n<li>Trigger routing<\/li>\n<li>Test sequencing<\/li>\n<\/ul>\n<h3>Counter\/Timer Applications<\/h3>\n<p>\nCounter\/timer resources can support pulse and timing functions alongside analog output generation.\n<\/p>\n<p>\n\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n<ul>\n<li>\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043e\u0432<\/li>\n<li>Frequency measurement<\/li>\n<li>\u041f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\u0439<\/li>\n<li>Period measurement<\/li>\n<li>Pulse-width measurement<\/li>\n<li>Timing synchronization<\/li>\n<\/ul>\n<h3>PCIe-6738 vs Multifunction DAQ<\/h3>\n<table>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PCIe-6738<\/th>\n<th>Typical Multifunction DAQ<\/th>\n<\/tr>\n<tr>\n<td>Primary Function<\/td>\n<td><strong>Analog Output Generation<\/strong><\/td>\n<td>Analog Input \/ Mixed I\/O<\/td>\n<\/tr>\n<tr>\n<td>Analog Outputs<\/td>\n<td><strong>32<\/strong><\/td>\n<td>Typically Fewer<\/td>\n<\/tr>\n<tr>\n<td>Analog Input<\/td>\n<td>No General-Purpose AI Subsystem<\/td>\n<td><strong>Usually Yes<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Hardware-Timed AO<\/td>\n<td><strong>\u0414\u0430<\/strong><\/td>\n<td>Model Dependent<\/td>\n<\/tr>\n<tr>\n<td>High-Density Stimulus<\/td>\n<td><strong>Excellent<\/strong><\/td>\n<td>Limited by AO Count<\/td>\n<\/tr>\n<tr>\n<td>Typical Application<\/td>\n<td>Stimulus \/ Simulation<\/td>\n<td>General Data Acquisition<\/td>\n<\/tr>\n<\/table>\n<h3>PCIe-6738 vs PCIe-6739<\/h3>\n<p>\nThe PCIe-6738 and PCIe-6739 belong to the same high-density analog output product family.\n<\/p>\n<p>\nWhen choosing between related analog output devices, compare:\n<\/p>\n<ul>\n<li>Required analog output channel count<\/li>\n<li>Maximum update rate<\/li>\n<li>Analog output resolution<\/li>\n<li>Voltage range<\/li>\n<li>Digital I\/O requirements<\/li>\n<li>Counter\/timer requirements<\/li>\n<li>Connector configuration<\/li>\n<li>System expansion requirements<\/li>\n<\/ul>\n<h3>PCIe-6738 vs PXIe Analog Output Modules<\/h3>\n<table>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PCIe-6738<\/th>\n<th>PXIe Analog Output<\/th>\n<\/tr>\n<tr>\n<td>Platform<\/td>\n<td><strong>PCI Express Computer<\/strong><\/td>\n<td>\u0428\u0430\u0441\u0441\u0438 PXI Express<\/td>\n<\/tr>\n<tr>\n<td>Installation<\/td>\n<td>Internal PC Card<\/td>\n<td>Modular PXIe Module<\/td>\n<\/tr>\n<tr>\n<td>System Expansion<\/td>\n<td>Limited by PC Slots<\/td>\n<td><strong>Modular Chassis<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f<\/td>\n<td>DAQ Timing \/ External Routing<\/td>\n<td><strong>PXI Timing Infrastructure<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Typical Application<\/td>\n<td>PC-Based Test System<\/td>\n<td>Modular Automated Test System<\/td>\n<\/tr>\n<\/table>\n<h3>PCIe-6738 vs FPGA R Series Device<\/h3>\n<table>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PCIe-6738<\/th>\n<th>R Series FPGA Device<\/th>\n<\/tr>\n<tr>\n<td>Primary Function<\/td>\n<td><strong>High-Density Analog Output<\/strong><\/td>\n<td>Reconfigurable I\/O<\/td>\n<\/tr>\n<tr>\n<td>User-Programmable FPGA<\/td>\n<td>No<\/td>\n<td><strong>\u0414\u0430<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Analog Output Channels<\/td>\n<td><strong>32<\/strong><\/td>\n<td>Model Dependent<\/td>\n<\/tr>\n<tr>\n<td>Custom Hardware Logic<\/td>\n<td>Fixed DAQ Architecture<\/td>\n<td><strong>FPGA Programmable<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Programming<\/td>\n<td><strong>\u041d\u0418-DAQmx<\/strong><\/td>\n<td>LabVIEW FPGA \/ R Series Software<\/td>\n<\/tr>\n<tr>\n<td>\u041d\u0430\u0438\u043b\u0443\u0447\u0448\u0435\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435<\/td>\n<td>Multi-Channel Stimulus<\/td>\n<td>Custom Deterministic I\/O<\/td>\n<\/tr>\n<\/table>\n<h3>NI-DAQmx Integration<\/h3>\n<p>\nThe PCIe-6738 uses <strong>\u041d\u0418-DAQmx<\/strong> for hardware configuration and application development.\n<\/p>\n<p>\nA typical analog output workflow is:\n<\/p>\n<p>\n<strong>Create Task \u2192 Add AO Channels \u2192 Configure Timing \u2192 Configure Trigger \u2192 Write Waveform \u2192 Start Generation \u2192 Stop Task<\/strong>\n<\/p>\n<p>\nNI-DAQmx also provides tools for testing device functionality and configuring supported digital and counter resources.\n<\/p>\n<h3>LabVIEW Integration<\/h3>\n<p>\nThe PCIe-6738 can be integrated into compatible <strong>\u041b\u0430\u0431\u0412\u044c\u044e<\/strong> applications through NI-DAQmx.\n<\/p>\n<p>\nLabVIEW can be used to:\n<\/p>\n<ul>\n<li>Create analog waveforms<\/li>\n<li>Configure output channels<\/li>\n<li>Control voltage levels<\/li>\n<li>Configure sample timing<\/li>\n<li>Configure triggering<\/li>\n<li>Synchronize multiple tasks<\/li>\n<li>Control automated test sequences<\/li>\n<li>Log test results<\/li>\n<\/ul>\n<h3>Signal Connection Considerations<\/h3>\n<p>\nBefore connecting the PCIe-6738 to a DUT or external system, verify:\n<\/p>\n<ul>\n<li>Required output voltage<\/li>\n<li>Output load impedance<\/li>\n<li>Output current requirements<\/li>\n<li>Grounding configuration<\/li>\n<li>Cable length<\/li>\n<li>Connector and terminal block<\/li>\n<li>Signal bandwidth<\/li>\n<li>Noise requirements<\/li>\n<li>External protection requirements<\/li>\n<\/ul>\n<p>\nThe PCIe-6738 should not be used as a direct power source for loads requiring substantial current or power.\n<\/p>\n<h3>Legacy System Replacement<\/h3>\n<p>\nWhen replacing an existing PCIe-6738 in an automated test or simulation system, verify more than the analog output channel count.\n<\/p>\n<p>\nImportant compatibility factors include:\n<\/p>\n<ul>\n<li>Exact model and part number<\/li>\n<li>32-channel analog output requirement<\/li>\n<li>Output voltage range<\/li>\n<li>Output resolution<\/li>\n<li>Required update rate<\/li>\n<li>Hardware timing<\/li>\n<li>Trigger routing<\/li>\n<li>Digital I\/O usage<\/li>\n<li>Counter\/timer usage<\/li>\n<li>Connector pinout<\/li>\n<li>Cable model<\/li>\n<li>Terminal block<\/li>\n<li>PCI Express slot compatibility<\/li>\n<li>NI-DAQmx version<\/li>\n<li>Operating system compatibility<\/li>\n<li>Existing LabVIEW or application software<\/li>\n<\/ul>\n<p>\nA different analog output device should not automatically be considered a drop-in replacement until electrical, timing, connector, and software compatibility have been verified.\n<\/p>\n<h3>How to Choose an Analog Output Device<\/h3>\n<p>\nBefore selecting the PCIe-6738, determine:\n<\/p>\n<ul>\n<li>Required number of analog outputs<\/li>\n<li>Required output voltage range<\/li>\n<li>Required analog resolution<\/li>\n<li>Required waveform update rate<\/li>\n<li>Static or hardware-timed generation<\/li>\n<li>Output current requirements<\/li>\n<li>Synchronization requirements<\/li>\n<li>Triggering requirements<\/li>\n<li>Digital I\/O requirements<\/li>\n<li>Counter\/timer requirements<\/li>\n<li>PCI Express slot availability<\/li>\n<li>Cable and terminal block requirements<\/li>\n<li>NI-DAQmx compatibility<\/li>\n<li>Operating system compatibility<\/li>\n<\/ul>\n<h3>Industries<\/h3>\n<ul>\n<li>Automotive Testing<\/li>\n<li>\u0410\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0438 \u043e\u0431\u043e\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/li>\n<li>Electronic Validation<\/li>\n<li>Automated Test<\/li>\n<li>\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n<li>Manufacturing Test<\/li>\n<li>Research and Development<\/li>\n<li>Laboratory Automation<\/li>\n<li>Embedded-System Testing<\/li>\n<li>Control-System Development<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<h4>Multi-Channel Stimulus Generation<\/h4>\n<p>\nThe 32 analog outputs make the PCIe-6738 suitable for automated systems that need to generate many independent voltage stimulus signals.\n<\/p>\n<h4>Sensor Simulation<\/h4>\n<p>\nThe PCIe-6738 can generate programmable analog voltages that represent compatible sensor outputs for controller and DUT validation.\n<\/p>\n<h4>Hardware-in-the-Loop Testing<\/h4>\n<p>\nHigh-density analog output generation can be used to provide simulated analog signals to controllers and embedded systems in HIL test environments.\n<\/p>\n<h4>Automated Test<\/h4>\n<p>\nHardware-timed outputs can provide repeatable DUT stimulus while other instruments acquire and analyze the resulting response.\n<\/p>\n<h4>Electronic Validation<\/h4>\n<p>\nThe PCIe-6738 can generate controlled analog voltages for functional testing and validation of electronic devices and subsystems.\n<\/p>\n<h4>Laboratory Automation<\/h4>\n<p>\nMultiple programmable analog outputs can control compatible laboratory equipment, experimental systems, and prototype hardware.\n<\/p>\n<h3>Recommended Related Products<\/h3>\n<table>\n<tr>\n<td width=\"220\"><strong>PCIe-6738<\/strong><\/td>\n<td>32-channel PCI Express analog output device for high-density waveform and stimulus generation.<\/td>\n<\/tr>\n<tr>\n<td><strong>PCIe-6739<\/strong><\/td>\n<td>Related high-density analog output device for applications requiring a different channel configuration.<\/td>\n<\/tr>\n<tr>\n<td><strong>PCI-6733<\/strong><\/td>\n<td>Legacy PCI analog output device for existing computer-based automated test systems.<\/td>\n<\/tr>\n<tr>\n<td><strong>PXI-6733<\/strong><\/td>\n<td>PXI analog output module for modular automated test and waveform-generation systems.<\/td>\n<\/tr>\n<tr>\n<td><strong>PCIe-6323<\/strong><\/td>\n<td>X Series multifunction DAQ device for applications requiring both analog acquisition and analog generation.<\/td>\n<\/tr>\n<\/table>\n<h3>Why Choose PCIe-6738?<\/h3>\n<ul>\n<li>32 analog output channels<\/li>\n<li>16-bit analog output resolution<\/li>\n<li>Up to 1 MS\/s analog output update rate<\/li>\n<li>Approximately \u00b110 V output range<\/li>\n<li>High analog output channel density<\/li>\n<li>Hardware-timed waveform generation<\/li>\n<li>Digital I\/O resources<\/li>\n<li>Counter\/timer functionality<\/li>\n<li>Hardware triggering<\/li>\n<li>Synchronization capabilities<\/li>\n<li>PCI Express interface<\/li>\n<li>NI-DAQmx integration<\/li>\n<li>LabVIEW compatibility<\/li>\n<li>Multi-channel stimulus generation<\/li>\n<li>Sensor simulation<\/li>\n<li>HIL testing<\/li>\n<li>Automated test<\/li>\n<li>Electronic validation<\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the NI PCIe-6738?<\/h4>\n<p>\nThe NI PCIe-6738 is a high-density PCI Express analog output device designed to generate multiple programmable voltage signals for automated test, simulation, control, and laboratory applications.\n<\/p>\n<h4>How many analog outputs does PCIe-6738 have?<\/h4>\n<p>\nThe PCIe-6738 provides <strong>32 analog output channels<\/strong>.\n<\/p>\n<h4>What is the analog output resolution of PCIe-6738?<\/h4>\n<p>\nThe PCIe-6738 provides <strong>16-bit analog output resolution<\/strong>.\n<\/p>\n<h4>What is the maximum update rate of PCIe-6738?<\/h4>\n<p>\nThe PCIe-6738 supports analog output update rates up to <strong>1 MS\/s<\/strong>. Actual performance depends on the configured generation mode and application.\n<\/p>\n<h4>What is the output voltage range of PCIe-6738?<\/h4>\n<p>\nThe PCIe-6738 is designed for analog voltage generation with an output range of approximately <strong>\u00b110 V<\/strong>.\n<\/p>\n<h4>Does PCIe-6738 have analog inputs?<\/h4>\n<p>\nThe PCIe-6738 is primarily a dedicated analog output device and should not be selected as a general-purpose analog input DAQ card. A separate measurement device should be used when analog input acquisition is required.\n<\/p>\n<h4>Can PCIe-6738 generate waveforms?<\/h4>\n<p>\nYes. The PCIe-6738 supports hardware-timed analog output generation and can generate application-defined waveforms within its electrical and timing specifications.\n<\/p>\n<h4>Can PCIe-6738 generate different signals on multiple channels?<\/h4>\n<p>\nYes. Its 32 analog outputs are designed for multi-channel signal generation, making the device suitable for systems requiring multiple independent analog stimulus signals.\n<\/p>\n<h4>Can PCIe-6738 be used for sensor simulation?<\/h4>\n<p>\nYes. The PCIe-6738 is suitable for simulating compatible voltage-output sensors. Sensors requiring resistance, current, frequency, or specialized electrical behavior may require additional interface hardware.\n<\/p>\n<h4>Can PCIe-6738 be used for HIL testing?<\/h4>\n<p>\nYes. The high analog output channel density makes it useful as a stimulus-generation device in HIL systems, particularly when a controller requires many simulated analog voltage inputs.\n<\/p>\n<h4>Does PCIe-6738 support hardware triggering?<\/h4>\n<p>\nYes. Hardware triggering can be used to coordinate analog output generation with other measurement and test-system events.\n<\/p>\n<h4>Does PCIe-6738 support digital I\/O?<\/h4>\n<p>\nYes. The device provides digital I\/O resources that can complement its analog output subsystem for DUT control, status monitoring, triggering, and test sequencing.\n<\/p>\n<h4>Does PCIe-6738 have counter\/timers?<\/h4>\n<p>\nYes. Hardware counter\/timer resources are available for compatible pulse, timing, counting, and synchronization applications.\n<\/p>\n<h4>What software is used with PCIe-6738?<\/h4>\n<p>\nThe PCIe-6738 uses the <strong>\u041d\u0418-DAQmx<\/strong> driver and can be integrated with compatible versions of LabVIEW and other NI-DAQmx-supported development environments.\n<\/p>\n<h4>What is the difference between PCIe-6738 and a multifunction DAQ device?<\/h4>\n<p>\nThe PCIe-6738 is optimized for <strong>high-density analog output generation<\/strong>, providing 32 analog outputs. A conventional multifunction DAQ device typically emphasizes analog input acquisition and provides fewer analog output channels.\n<\/p>\n<h4>What is the difference between PCIe-6738 and an R Series FPGA device?<\/h4>\n<p>\nThe PCIe-6738 uses a fixed NI-DAQmx hardware architecture optimized for analog output generation. An R Series device provides a user-programmable FPGA for custom hardware-level timing, processing, and I\/O behavior.\n<\/p>\n<h4>Can PCIe-6738 directly drive high-power loads?<\/h4>\n<p>\nNo. The analog outputs are intended to provide signal-level voltages. Loads requiring substantial current or power should be connected through appropriate external amplifiers, drivers, or interface circuitry.\n<\/p>\n<h4>What should I check before purchasing PCIe-6738?<\/h4>\n<p>\nVerify the required 32-channel analog output configuration, output voltage range, 16-bit resolution, update-rate requirements, output load characteristics, hardware timing, triggering, synchronization, connector and cable requirements, PCI Express slot compatibility, NI-DAQmx version, operating system, and application software compatibility.\n<\/p>\n<h3>\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI PCIe-6738 High-Density Analog Output Device<\/strong> combines 32 analog output channels, 16-bit resolution, up to 1 MS\/s update performance, hardware-timed waveform generation, digital I\/O, counter\/timer resources, triggering, synchronization, and PCI Express connectivity. Its high output-channel density makes it particularly suitable for multi-channel stimulus generation, sensor simulation, hardware-in-the-loop testing, automated electronic validation, control, production test, and laboratory automation.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u0445\u043e\u0434\u0430: 16 \u0431\u0438\u0442<br \/>\nNumber of Current Output Channels: &#8211;<br \/>\nMaximum Update Rate: 1 MS\/s<br \/>\nNumber of Voltage Output Channels: 32<\/p>","protected":false},"featured_media":31156,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[674],"product_tag":[],"class_list":["post-34562","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pci-usb","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\/ -->\n<title>NI PCIe-6738 PCIe Analog Output Device 785822-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"NI PCIe-6738 is a 32-channel, 16-bit PCI Express analog output device with up to 1 MS\/s update rate, digital I\/O and counters for automated test and control.\" \/>\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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