The Tektronix TDS684C is a four-channel digital real-time oscilloscope delivering 1 GHz bandwidth and 5 GS/s maximum sample rate for high-speed signal acquisition and waveform analysis. Built for design validation, troubleshooting, and characterization tasks, it combines precise measurement capabilities with a color LCD display and advanced triggering options. The instrument supports up to 125,000 points per channel with 8-bit vertical resolution and flexible input coupling—ideal for engineers and laboratories handling complex electronic systems.

Technical Specifications

• Bandwidth: 1 GHz
• Channels: 4
• Maximum Sample Rate: 5 GS/s (per channel, interleaved)
• Record Length: Up to 125,000 points per channel
• Vertical Resolution: 8 bits
• Input Impedance: 1 MΩ ± 2% parallel with 15 pF ± 3 pF, or 50 Ω ± 2%
• Vertical Sensitivity: 1 mV/div to 10 V/div
• Vertical Accuracy: ± (3% of reading + 0.1 div)
• Bandwidth Limit: Selectable 20 MHz, 100 MHz, or Full (1 GHz)
• Time Base Accuracy: ±25 ppm over any 20 ms interval
• Display: Color LCD
• Input Coupling: DC, AC, GND
• Power Requirements: 100-240 VAC, 50/60 Hz
• Operating Temperature: 0°C to +50°C
• Storage Temperature: -40°C to +71°C
• Humidity: 5% to 90% RH up to +30°C, decreasing linearly to 50% RH at +50°C

– Key Features

• Advanced trigger modes: Edge, Glitch, Pattern, Video, and RS-232 Trigger (optional)
• Acquisition modes: Sample, Peak Detect, Average, Envelope, High Resolution
• 30+ automatic measurements including amplitude, rise/fall time, frequency, duty cycle, RMS, noise
• Waveform math functions: Add, Subtract, Multiply, Divide, FFT
• External trigger input and probe compensator output

– Typical Applications

Complex circuit design and validation, high-speed signal characterization, troubleshooting of multi-channel systems, and detailed waveform analysis across RF, digital, and power electronics domains.

– Compatibility & Integration

• GPIB (IEEE 488.2) and RS-232 remote control interfaces
• VGA output for external monitor connection
• Centronics parallel printer port
• Compatible with Tektronix P5100, P5205, TPP1000, and other Tektronix 50 Ω and 1 MΩ passive and active probes