The Tektronix TVS621A is a 2-channel VXI waveform analyzer that combines high-speed signal acquisition with advanced digital processing for mixed-signal characterization. Operating at 250 MHz bandwidth and 1 GS/s sampling rate, this instrument delivers real-time waveform capture, analysis, and measurement across demanding test and research applications. Its modular VXI architecture integrates into automated test systems while maintaining full programmability through SCPI commands.
Technical Specifications
• Bandwidth: 250 MHz
• Sampling Rate: 1 GS/s
• Channels: 2 independent channels
• Record Length: 15,000 points (30,000 samples in extended real-time acquisition mode)
• Vertical Resolution: 8-bit (256 digitized levels)
• Sample Intervals: As short as 200 ps/point
• Input Sensitivity: 10 mV to 100 V full scale
• Input Impedance: 50 Ω or 1 MΩ selectable
– Key Features
• Acquisition Modes: Peak Detect, Auto-Advance, Envelope, and Average
• Integrated DSP: Fast calculation engine for measurements, waveform math, and transforms
• Analysis Functions: FFT analysis, digital filtering (high-pass, low-pass, band-pass, band-reject), waveform template testing, measurement limit testing, and zoned waveform measurements
• Triggering: Main, Delayed, Edge, and Pulse triggering modes with sources from input channels, external front-panel trigger, and VXI backplane triggers; acquisition delay by time or events
• Probe Compatibility: Tektronix active and passive probes supported
• Data Transfer: Fast Data Channel with high-speed transfer modes
– Typical Applications
Mixed-signal test, signal characterization, rigorous measurement validation, and laboratory research requiring real-time waveform analysis and DSP-based signal processing.
– Compatibility & Integration
Fully programmable with SCPI command set and message-based interface. VXIplug&play compatible with Windows, Windows 95, and Windows NT frameworks. Designed for integration into VXI systems using standard VXIbus architecture.
