I. Basic Information

Model: PCI-5421

Brand: National Instruments NI

Product Type: 1-channel Arbitrary Waveform Generator, Function Generator Card

Bus: PCI

Channels: 1 analog output

Resolution: 16 bits

DAC Update Rate: 100 MS/s

Interpolation Equivalent Sampling: Maximum 200 MS/s

Analog Bandwidth: 43 MHz (7th-order elliptic filter)

Output Amplitude: 1 Vpp, 2 Vpp, 12 Vpp (Software selectable)

Built-in Memory: 8 MB, 32 MB, 256 MB (Three versions available)

Output Impedance: 50Ω

Product Status: Out of Production

Features: 16-bit high resolution, 43 MHz wide bandwidth, low harmonic distortion, large memory, precise DDS, low jitter, multi-card synchronization

II. Application Scenarios

Precision Signal Source - R&D and Mass Production Testing

Generation of Signals within 43 MHz in RF Intermediate Frequency

Sensor Simulation - Sine Wave, Square Wave, Triangle Wave

High-Fidelity Audio Testing - Low Distortion Excitation

Pulse Sequences - Radar, Ultrasonic Signals

Communication Module Calibration - Filter Characteristics Testing

Semiconductor Testing - High-Speed Digital Circuit Excitation

LabVIEW Automated Testing System - Long Waveform Playback

III. Analog Output Specifications

Output Channel: 1 single-ended BNC

Output Resolution: 16 bits

DAC Update Rate: 100 MS/s

Interpolation Equivalent Sampling: 200 MS/s

Waveform Types

Sine Wave: Maximum 43 MHz

Square Wave, Triangle Wave, Sawtooth Wave, Noise, DC: Maximum 1 MHz

Arbitrary Waveform: Maximum 256 MB

Frequency Range: 0 μHz to 43 MHz

Frequency Resolution: Approximately 0.355 μHz

Output Impedance: Fixed 50Ω

Output Amplitude

Direct Path: 1 Vpp

Low Gain: 2 Vpp

High Gain: 12 Vpp

Harmonic Distortion: Typically less than 0.05%

Coupling Method: DC Coupling

Connector: BNC

IV. Memory and Waveforms

On-board Memory: 8 MB, 32 MB or 256 MB DDR SDRAM

Waveform Length: Limited by Memory Capacity

Waveform Loading: DMA High-Speed Download

Waveform Modes: Single, Loop, Continuous, Sequence

V. Trigger and Synchronization

Trigger Source: Software Trigger, External BNC Trigger

Trigger Method: Edge, Gate Control

Synchronization Interface: RTSI, Multi-Card Synchronization Skew Less than 20 ps

External Clock: SMB 10 MHz Reference Input

Output Signal: TTL Synchronous Output with Low Jitter

VI. Physical and Electrical Specifications

Card Specifications: Standard PCI Half-Length Card

Interface Panel: 1 BNC Output, 1 BNC Trigger, 1 SMB Clock, 1 RTSI

Power Supply: PCI Slot Power Supply, Typical 21.9 W, Maximum 26.0 W

Operating Temperature: 0 to 55 Degrees Celsius

Operating Humidity: 10% to 90% without Condensation

Weight: Approximately 300 grams

VII. Software Compatibility

Driver: NI-FGEN, NI-DAQmx

Development Environment: LabVIEW, LabWindowsCVI, C#, C++

Operating System: Windows XP, 7, 10, 11 32/64 Bit

Supporting Tools: Waveform Editor, Modulation AM, FM, PM

Soft Panel: Virtual Function Generator, No Programming Required

VIII. Core Features

1 Channel: 16 bits, 100 MS/s, 200 MS/s Interpolation

43 MHz Bandwidth, 7th Order Elliptic Filter

43 MHz Low-Jitter Square Wave Synchronization

0.355 μHz Ultra-High Frequency Resolution

8/32/256MB Large Memory, Long Waveform Recording and Playback

Fixed 50Ω Impedance, Direct Adaptation for RF Systems

1Vpp/2Vpp/12Vpp Three Gain Levels, Wide Amplitude Range

Less than 0.05% Harmonic Distortion, High-Fidelity Signal

RTSI Multi-Card Synchronization Skew Less than 20 ps

BNC Interface Plug-and-Play, Suitable for Precision Testing Systems