The Tektronix VX5790A is a single-channel arbitrary waveform generator module engineered for VXIbus systems. It generates complex custom waveforms and built-in functions (sine, square, sawtooth, triangular) at sample rates to 100 MS/s, with 128K data points of programmable waveform memory. The module integrates via VXIbus Word Serial and Shared Memory protocols, conforming to IEEE 488.2 and VXIbus System Specification Revision 1.3, enabling precise timing control and flexible triggering across distributed test systems.
Technical Specifications
Waveform Generation
• Sample rate: Up to 100 MS/s
• Frequency range: 0.01 Hz to 25 MHz
• Amplitude resolution: 10 bits
• Waveform memory: 128K data points, organized as configurable packets (24 to 2048 10-bit words)
• Built-in waveforms: Sine, square, sawtooth, triangular
Output Characteristics
• Voltage ranges: ±10.22 V (5 mV resolution), ±5.11 V (2.5 mV resolution), ±0.1 V (50 µV resolution)
• 50-ohm load capability
• Programmable attenuator (adjustable as percentage of full scale)
• Selectable low-pass filters: 5 MHz, 500 kHz, 50 kHz
Triggering & Synchronization
• Programmable trigger at any waveform data point
• Trigger routing: VXIbus STAR, ECLTRG/TTLTRG, front panel BNC
• Input sources: VXIbus lines, software, front panel BNC, SYNC100, ESTST protocols
Physical
• Form factor: Single-wide, D-size VXI module, 1 channel
• Operating temperature: 0°C to +50°C
– Key Features
• Message-based interface via VXIbus Word Serial and Shared Memory protocols
• IEEE 488.2 command conformance
• VX5535 embedded controller support for FDC Fast Data Channel protocol
• Flexible packet-based waveform sequencing for complex signal profiles
• Multiple trigger input/output routing options for system synchronization
– Typical Applications
• Advanced testing and simulation in VXIbus test systems
• Custom signal generation for research and development
• Distributed automated test equipment with multi-module synchronization
• Arbitrary waveform synthesis requiring programmable trigger timing
– Compatibility & Integration
The VX5790A integrates into VXIbus mainframe systems supporting Specification v1.3. Front panel BNC connectors enable external trigger I/O independent of the bus. FDC Fast Data Channel transfers require the VX5535 embedded controller.
