The Tektronix TDS620B is a high-performance digital real-time oscilloscope featuring a 500 MHz bandwidth and a real-time sampling rate of 2.5 GS/s across 4 channels. Equipped with an 8-bit vertical resolution (expandable to over 11 bits with averaging), 15,000 points of record length, and advanced trigger capabilities, it is designed for demanding high-speed digital design and debug applications.

Specifications

General

ParameterValue
InterfacesRS-232, Centronics, GPIB, VGA
DisplayMonochrome CRT Display

Physical

ParameterValue
Power Supply90 to 250 V AC RMS, 45 Hz to 440 Hz, <= 350 W
Dimensions (W×H×D)445 mm × 193 mm × 444 mm
Weight14.1 kg

Vertical System

ParameterValue
Analog Bandwidth (-3 dB)500 MHz
Number of Input Channels2
Vertical Resolution (ADC)8-Bit
Vertical Resolution with AveragingGreater than 11-Bits
Input Sensitivity Range1 mV/div to 10 V/div
DC Gain Accuracy±1.5%
Channel-to-Channel DeskewYes
Input Impedance50 Ω
Input CouplingDC, GND
Maximum Input Voltage5 V RMS, with peaks <= ±25 V (50 Ω input impedance)
Position Range±5 divisions
Analog Bandwidth Limit20 MHz (selectable)
Vertical Offset Range±1 V (1 mV to 99.5 mV/div), ±10 V (100 mV to 995 mV/div), ±100 V (1 V to 10 V/div)
Channel-to-Channel Isolation≥100:1 at 100 MHz, ≥30:1 at 500 MHz

Horizontal System

ParameterValue
Maximum Real-Time Sampling Rate2.5 GS/s
Maximum Record Length15,000 Points
Timebase Range100 ps/div to 5 s/div
Timebase Accuracy±100 ppm
Timebase Delay RangePre-trigger: 0% to 100% of record; Post-trigger: 0 to 10,000 divisions

Acquisition System

ParameterValue
Acquisition ModesSample, Envelope, Average

Waveform Measurements and Analysis

ParameterValue
Waveform Math & Advanced DSPWaveform Math and Advanced Waveform DSP
Limit and Mask TestingWaveform Pass/Fail Template Testing
Measurement SystemFully Automated Measurement System

Processor and Storage

ParameterValue
Removable Storage Options3.5 in. DOS Format Floppy Drive

Environmental

ParameterValue
Maximum AltitudeOperating: 4,572 m (15,000 ft), Non-operating: 12,190 m (40,000 ft)
Operating HumidityTo 95% RH at or below +30 °C; to 75% RH up to +40 °C; to 45% RH up to +50 °C

Trigger System

ParameterValue
Trigger TypesEdge, Pulse (Glitch, Width, Runt, Slew Rate, Setup/Hold), Logic (Pattern, State), Video
Trigger CouplingAC, DC, HF Reject, LF Reject, Noise Reject
Trigger Level Range±12 divisions from center of screen

Compliance & Safety

ParameterValue
Safety StandardsUL 3111-1, CSA C22.2 No. 1010.1, EN 61010-1

Technology

Digital Real-Time Oscilloscope

Applications

Electronic Test and Measurement