The Tektronix TDS684B is a 1 GHz, four-channel digital real-time oscilloscope designed for high-speed signal characterization and troubleshooting. It captures intermittent signals, glitches, and non-recurring events with 5 GS/s sample rate per channel and 1 ns peak detect capability. The instrument serves digital design, telecommunications, and high-energy physics research with dual display options and comprehensive automated measurement functions.

Technical Specifications

• Bandwidth: 1 GHz
• Sample Rate: 5 GS/s per channel (real-time)
• Channels: 4 input channels
• Vertical Resolution: 8-bit (greater than 11-bit with averaging)
• Vertical Sensitivity: 1 mV/div to 10 V/div
• Vertical Accuracy: 1.5%
• Maximum Record Length: 15,000 points per channel
• Peak Detect: 1 ns
• Timebase Range: 200 ps/div to 10 s/div
• Timebase Accuracy: >1 ms interval ±100 ppm
• Input Impedance: 1 MΩ in parallel with 10 pF, or 50 Ω
• Input Coupling: AC, DC, or GND
• Power Supply: 100-240 VAC
• Dimensions: 17.4″ × 14.5″ × 7.1″
• Weight: 15.5 kg

– Key Features

• Acquisition modes: Peak Detect, Sample, Single Sequence, Envelope, Average
• 25 automatic measurements on entire record or gated region
• Channel deskew functionality
• Waveform math with Advanced DSP
• Waveform Pass/Fail Template Testing
• 7-inch or 10.4-inch color VGA display
• IEEE 488.2-1987 compliant

– Display and Interface

• RS-232, Centronics, GPIB, and VGA ports
• 3.5-inch DOS format floppy drive storage

– Compatibility & Integration

• Supplied with four P6243 FET probes or four P6139A passive probes (variant dependent)
• Optional P6245 1.5 GHz FET probes
• Compatible with WaveStar Software and TTiP TDS Telecommunication Templates & i-Pattern Software