Tektronix TDS744A 4 Channel Digitizing 500MHz Oscilloscope

The Tektronix TDS744A is a 4-channel digitizing oscilloscope delivering 500 MHz bandwidth with simultaneous acquisition across all channels. Purpose-built for high-speed signal capture and detailed waveform analysis, this instrument combines deep memory options, advanced triggering capabilities, and real-time measurement functions to support demanding test environments across communications, digital design, and signal integrity applications.

Technical Specifications

• Bandwidth: DC to 500 MHz


• Sample rate: 2 GS/s (single channel), 1 GS/s per channel (simultaneous)


• Rise time: 700 ps


• Record length: 50,000 points standard; up to 500,000 samples (one channel) with Option 1M


• Vertical sensitivity: 1 mV/div to 10 V/div


• Vertical resolution: 8-bit standard; 13-bit with Hi-Res mode; 11-bit with averaging


• DC gain accuracy: ±1.0%


• Measurement accuracy (single shot): 100:1 @ 100 MHz; >30:1 @ bandwidth


• Inter-channel delay: 400,000 wfm/sec (InstaVu); 150 wfm/sec (infinite persistence) Display & Interface


• 7-inch NuColor™ liquid crystal full-color shutter (256 levels)


• Variable persistence with color grading and infinite persistence mode


• VGA output to external monitor Measurement & Analysis


• 25 automatic measurements (entire record or gated region)


• Cursor measurements: absolute and delta in volts, time, frequency


• Advanced functions: FFT, Integration, Differentiation, Limit Testing


• Arithmetic operations: Add, Subtract, Multiply, Divide, Invert Triggering


• Main trigger modes: Auto, Normal, Single


• Edge, Pulse (Width, 1 ns Glitch, Runt, Slew Rate), Logic (Pattern, State, Setup & Hold), and optional Video triggering

Typical Applications High-speed digital circuit characterization, signal integrity analysis, power electronics measurement, and protocol validation requiring multi-channel simultaneous acquisition with sub-nanosecond timing resolution.

Compatibility & Integration External VGA monitor support. Optional 1M record length expansion and video trigger capability enhance measurement flexibility across specialized applications.