TDS644

Manuals – Specifications – Links – Pictures

The Tektronix TDS644A 4 Channel Digitizing Oscilloscope has a real-time bandwidth of 500 MHz and a sample rate of 2 GS/s, with a record length of up to 2,000 points per channel.
The Tektronix TDS644B has a sample rate of 2.5 GS/s, with a record length of up to 15,000 points per channel.

Features include Waveform Math and Advanced Waveform DSP, Color VGA Display, 3.5" DOS Format Floppy Drive, RS-232 interface, Centronics, GPIB and VGA Connector. Inputs have Tekprobe BNC connectors.

Opt.05 adds video trigger for NTSC, PAL, HDTV.

Key Specifications

Bandwidth	500 MHz
Sampling rate	2 GS/s (TDS644A), 2.5 GS/s (TDS644B) on all 4 channels
Time base	500 ps/Div to 5 s/Div
Deflection	1 mV/Div to 10 V/Div
Resolution	8 bits
Record length	500 to 2000 points (TDS644A), 15,000 points (TDS644B)
Input impedance	1 MΩ // 10 pF, or 50 Ω
Interface	GPIB standard
Options	Centronics interface (standard) RS-232 interface (standard) FFT, integration and differentiation (standard)

Software

• TDS600 Field Adjustment Software (ZIP)

• TDS Family Programming Examples Software 063-1134-00 V1.2 (ZIP)
• Waveform Converter For Oscilloscopes 066-0002-00 (ZIP)
• AWE Drivers For Tektronix Oscilloscopes 066-0087-00 (ZIP)
• File Transfer Utility From TDS Scope To PC 066-0104-00 (ZIP)
• Telecom Test and I-Pattern Software TTiP 066-0119-00 (ZIP)
• Enhanced Printing Utility for TDS Family 066-0125-00 (ZIP)
• TDS runtime Environment TDSRTE1 066-0127-00 (ZIP)
• WFM to ASCII Waveform Converter - UNIX Version For Sun Spark Stations 066-0176-00 (ZIP)
• Hardcopy from TDS to PC Using HPIP 82335B Interface Card 066-0177-00 (ZIP)
• Example Program To Get Crossing Levels 066-0178-00 (ZIP)
• TDS ISF File To CSV File Conversion Utility 066-0179-00 (ZIP)
• Transfer 2 Byte Data From TDS Oscilloscopes QuickBasic 066-0188-00 (ZIP)
• TDS Waveform Logging Sample Program 066-0194-00 (ZIP)
• Load TDS Floppy MathCAD Files Into MathCAD 066-0196-00 (ZIP)
• Transfer TDS Hardcopy Screens To PC Via GPIB 066-0197-00 (ZIP)
• Transfer Setups Between TDS Oscilloscopes 066-0198-00 (ZIP)
• VB Program To Capture TDS Extended Waveforms 066-0200-00 (ZIP)
• TDS Series WFM File Formatter 066-0489-00 (ZIP)
• Tektronix Wavestar 2012.05.09.11.07.29 16456 EN 066-0934-03 (ZIP, 102MB) Product Key: WSTRO618650124

Firmware

• TDS644B v4.2e Firmware (ZIP)

Options

• 05 - Video Trigger - Oscilloscope comes with tools that allow investigation of a range of NTSC, PAL, SECAM, and high definition TV signals.
• 1M - 4M acquisition length - Extends standard acquisition length from 50,000 points per channel to 130,000 samples on three or four channels, 250,000 samples on two channels, and 500,000 samples on one channel.
• 13 - RS-232C and Centronics hardcopy interfaces - Add RS-232-C and Centronics interface ports.
• 1F - Floppy disk drive - Add 3.5 inch, 1.44 MByte floppy disc drive.
• 2F - Advanced DSP math - Add advanced DSP math features such as FFT, integration, and differentiation.

Optional Accessories

• 1K - Add K420 scope cart
• 1R - Rackmount kit
• 2D - Delete standard 2 P6205 probes
• 24 - Add 4 each P6139A passive probes
• 25 - (TDS644A) Add 4 each P6563AS 20X SMD probes
• 2P - Tektronix Phaser 200e Thermal Wax Transfer Color Printer
• 4D - Delete standard 4 P6205 probes
• 95 - TDS644A Calibration data report
• 96 - TDS644A Calibration Certificate
• D1 - TDS644B Calibration Data Report

TDS644A Included Accessories

• 4x P6205 FET Probes
• 070-8711-02 - Reference Manual
• 070-8711-01 - User Manual
• 200-3696-01 - Front cover
• 161-0230-01 - US power cord

TDS644B Included Accessories

• 4x P6243 FET Probes
• 070-9382-00 - Quick Reference Guide
• 063-2773-00 - Programmers Manual in MS-Help format on floppy disk
• 070-6869-00 - User Manual
• 070-9874-02 - Technical Reference Manual
• 200-3696-01 - Front cover
• 161-0230-01 - US power cord
• 016-1268-00 - Accessory Pouch

Recommended Accessories

• 012-0991-01 - 1m GPIB cable
• 012-0991-00 - 2m GPIB cable
• 012-1298-00 - RS-232 cable
• 012-1250-00 - Centronics cable
• 016-0909-01 - Soft-sided carrying case
• 016-01135-00 - Transit case
• K420 - Scope cart

Links

• Tek Forum threads:
  • Recovering the unit from a bricked state
  • Firmware updating
  • Backing up and restoring calibration data
• EEVBlog Forum Threads:
  • EEVBlog Forum thread on TDS options and how to enable them
  • Firmware update via GPIB
  • Serial debug and console interface card for TDS500-700 series
  • Console port debug adapter for TDS500-700 series
• Simmconn Labs LCD replacement kits for CRT-based TDS O-scopes
• Wavestar Product Key
• TDS error log viewer
• Unlocking software options - ko4bb.com

Pictures

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