The Tektronix TVS645 is a 4-channel waveform analyzer built for VXI-based systems, delivering 1 GHz bandwidth and 5 GS/s simultaneous sampling across all channels. It combines oscilloscope-grade signal acquisition with advanced waveform analysis, enabling real-time single-shot capture and detailed characterization of high-speed electronic phenomena.

Technical Specifications

Acquisition Performance
• Bandwidth: 1 GHz
• Maximum sampling rate: 5 GS/s on all channels
• Sample interval: 200 ps/point minimum
• Acquisition memory: 15,000 samples (standard) or 30,000 samples (extended real-time mode)
• Acquisition modes: Auto-advance, Envelope, Average
• Channel-to-channel delay: 100 ps
• Rise time: 5 ns

Channel Configuration
• 4 independent input channels
• Input sensitivity: 10 mV to 100 V full scale
• Input impedance: 1 MΩ or 50 Ω (selectable)
• Input coupling: AC or DC
• Maximum input voltage: 100 V (DC+peak)

Triggering
• Sources: Input channels, front panel external trigger, VXI backplane triggers
• Internal modes: Main, Delayed, Edge, Pulse
• Trigger sensitivity: 0.25 V

Waveform Analysis
• FFT analysis with digital filtering (High, Low, Bandpass)
• Waveform math and transforms
• Template testing and measurement limit testing
• Zoned waveform testing

– Key Features

• Real-time multi-channel acquisition with auto-advance fast rearm capability
• Extended memory support for longer capture windows
• Selectable input impedance for matched or high-impedance measurement
• Comprehensive trigger flexibility across multiple sources
• Fast computational engine for measurements and waveform analysis

– Typical Applications

Signal integrity characterization, multi-channel transient capture, frequency-domain analysis, waveform quality assessment, and automated pass/fail testing.

– Compatibility & Integration

Fully programmable via SCPI command set with VXIplug&play framework support (Windows, Windows NT). Integrates with Tektronix active and passive probes. Fast Data Channel for rapid waveform transfer.