The Tektronix TVS641A is a 4-channel VXI waveform analyzer designed for mixed-signal testing and high-speed data acquisition. Operating at 250 MHz bandwidth with real-time sampling to 1 GS/s, it captures simultaneous single-shot waveforms across all channels at rates up to 5 GS/s. The instrument delivers sample intervals as short as 200 ps/point and supports multiple acquisition modes—Auto-Advance, Envelope, and Average—each with programmable triggering via edge, pulse, delayed, and main trigger configurations. Input signals are conditioned through selectable 50 ohm or 1 MΩ impedance front ends with sensitivity from 10 mV to 100 V full scale, compatible with Tektronix active and passive probes.
– Technical Specifications
• Channels: 4
• Bandwidth: 250 MHz
• Real-Time Sample Rate: 1 GS/s
• Simultaneous Single-Shot Sample Rate: 5 GS/s
• Minimum Sample Interval: 200 ps/point
• Input Sensitivity: 10 mV to 100 V full scale
• Input Impedance: Selectable 50 Ω or 1 MΩ
• Triggering Modes: Main, Delayed, Edge, Pulse
• Trigger Sources: Input channels, external front panel, VXI backplane
– Key Features
• Auto-Advance acquisition with fast rearm capability and time-stamping for sequential transient capture
• Envelope and Average acquisition modes for statistical analysis
• On-board calculation engine for waveform math and transforms
• Full programmability via SCPI command set and message-based interface
• Tektronix active and passive probe compatibility
– Typical Applications
• Transient and sequential event analysis in mixed-signal circuits
• High-speed digital signal characterization
• Statistical waveform measurement and trending
• Protocol and timing validation in test systems
– Compatibility & Integration
The TVS641A integrates into VXI systems via VXIbus with full SCPI control and message-based command architecture, enabling seamless integration into automated test environments.
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