The Tektronix 11403 is a programmable digitizing oscilloscope engineered for research, design, and test environments demanding high-performance signal acquisition and analysis. The instrument combines up to 8 input channels with a 1 GHz standard bandwidth (expandable to 3 GHz), dual independent time bases, and a color CRT display with touch screen control to deliver detailed waveform examination across complex measurement scenarios.
Technical Specifications
Bandwidth & Triggering
• Bandwidth: 1 GHz standard; 3 GHz with 11A81 amplifiers
• Trigger bandwidth: 1 GHz standard, 2 GHz with 11A81 amplifiers
• Extensive triggering with selectable AC/DC coupling, noise reject, and frequency reject options
Acquisition System
• Up to 8 input channels supported
• 6 concurrent channels at 1 GHz maximum
• Sampling rate: 20 MS/s single-shot
• Record length: 512 to 10,240 selectable points
• Record duration: 5.11 ns to 1024 s in 1-2-5 sequence
Vertical Resolution
• 10-bit standard (1024 levels)
• Up to 14-bit with averaging (16,384 levels)
• Internal calibration maintains vertical error ≤1%
• Channel deskew corrects timing differences including probe delays
Horizontal System
• Dual independent time bases
• Time base accuracy: 100 ps + 0.002% of measurement interval
• Horizontal resolution: 10 ps
Display & Interface
• 8½-inch color CRT with integrated touch screen
• Up to four colors for main waveforms; one additional color for window waveforms
• GPIB (IEEE 488) and RS-232-C programmable interfaces
• DMA controller for rapid waveform transfers
• HPGL plotter output support
Memory
• Volatile waveform memory: 512 KB standard
• Non-volatile storage: 128 KB standard (expandable to 768 KB)
– Key Features
• Advanced waveform processing: differentiate, integrate, interpolate, smooth, average, envelope, signum, square root
• Arithmetic operators: add, subtract, multiply, divide, log, absolute value, exponentiate
• FFT analysis with spectral frequency, magnitude, and THD measurements
• Automatic measurements with on-screen annotations
• Pass/Fail testing capability
• Pre-trigger and post-trigger detail viewing
– Typical Applications
Waveform characterization, signal integrity analysis, frequency domain measurements, multi-channel signal correlation, protocol development and validation.
– Compatibility & Integration
Three plug-in compartments accommodate optional amplifiers and measurement modules. Remote control via IEEE 488 or serial interface enables integration into automated test systems.
