The Tektronix TDS540A is a professional-grade 4-channel digital storage oscilloscope offering 500 MHz bandwidth. It features advanced acquisition technologies, including a HiRes mode for enhanced vertical resolution and noise reduction on low-frequency signals.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488.2)
Display7-inch monochrome CRT

Physical

ParameterValue
Power Supply90 - 250 VAC RMS, 45 - 440 Hz, 300 W max
Operating Temperature+5 °C to +50 °C
Dimensions (W×H×D)362 × 193 × 472

Vertical System

ParameterValue
Number of Channels4
Analog Bandwidth500 MHz
Input Impedance1 MΩ || 10 pF, or 50 Ω
Input CouplingAC, DC, GND
Sensitivity Range (V/div)1 mV/div to 10 V/div (1 MΩ); 1 mV/div to 1 V/div (50 Ω)
Maximum Input Voltage400 V (DC + peak AC) at 1 MΩ; 5 V RMS at 50 Ω
Hardware Bandwidth Limits20 MHz, 100 MHz
Vertical Position Range±5 divisions
Channel-to-Channel Isolation>100:1 at 100 MHz; >30:1 at rated bandwidth
Rise Time≤700 ps

Horizontal System

ParameterValue
Time BasesMain, Delayed
Timebase Range500 ps/div to 10 s/div
Timebase Accuracy±25 ppm over any ≥ 1 ms interval
Delay Time Range16 ns to 250 s

Acquisition System

ParameterValue
Maximum Real-Time Sample Rate500 MS/s (up to 1 GS/s on 1 channel)
Maximum Record Length50,000 points per channel
High Resolution ModeHiRes (Vertical resolution improvement and noise reduction on low-frequency signals, e.g. 12 bits at 50 µs/div and slower)
Sample Rate (2 Channels)500 MS/s
Sample Rate (4 Channels)250 MS/s

Trigger System

ParameterValue
Main Trigger ModesAuto, Normal, Single Sequence
Trigger Coupling OptionsAC, DC, HF Rej, LF Rej, Noise Rej

Interfaces and Storage

ParameterValue
Mass Storage Media3.5-inch Floppy Disk Drive

Waveform Processing

ParameterValue
Automatic Measurements25 standard parameters

Power System

ParameterValue
Maximum Power Consumption300 W

General Specifications

ParameterValue
Warm-up Time20 minutes
Calibration Interval1 year

Accessories

ParameterValue
Included Standard Probes4 x P6139A (500 MHz, 10X)

Technology

Digital Storage Oscilloscope (DSO)

Applications

High-performance electronic test, circuit debugging, and signal analysis