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{{Oscilloscope Sidebar |manufacturer=Tektronix |series=TDS series scopes|designers=|
{{Oscilloscope Sidebar  
model= TDS644 |
|manufacturer=Tektronix
image=TDS644A front.jpg |
|series=TDS series scopes
caption=Tektronix TDS644A |
|model=TDS644
introduced=1994 |
|summary=500 MHz, 2 GS/s, 4-Ch digital scope
discontinued=(?) |
|image=TDS644A front.jpg
summary=500 MHz, 2 GS/s, 4-Ch digital scope |
|caption=Tektronix TDS644A
manuals=
|introduced=1994
==Common==
|discontinued=(?)
|designers=
|manuals=
'''TDS644A'''
* [[Media:070-8709-06.pdf|TDS600A Programmer 070-8709-06]]
* [[Media:070-8709-07.pdf|TDS600A Programmer 070-8709-07]]
* [[Media:070-8711-02.pdf|TDS600A Reference 070-8711-02]]
* [[Media:070-8715-04.pdf|TDS644A User Manual 070-8715-04]]
* [[Media:070-8718-04.pdf|TDS644A Service Manual 070-8718-04]]
* [[Media:55W-8862-00.PDF|Sales Brochure]]
 
'''TDS644B'''
* [[Media:070-9382-01.pdf|TDS600B Reference 070-9382-01]]
* [[Media:070-9384-01.pdf|TDS600B Performance Verification and Specifications 070-9384-01]]
* [[Media:070-9386-03.pdf|TDS600B Service Manual 070-9386-03]]
* [[Media:070-9719-00.pdf|TDS600B Digitizing Oscilloscopes 070-9719-00]]
* [[Media:070-9721-02.pdf|TDS600B Service Manual 070-9721-02]]
* [[Media:070-9556-00.pdf|TDS644B etc Programmer Manual 070-9556-00]]
* [[Media:070-9861-00.pdf|TDS600B Reference 070-9861-00]] / <small>[[Media:070-9861-00 c2.pdf|Alternate copy]]</small>
* [[Media:070-9869-00.pdf|TDS600B User 070-9869-00]] / <small>[[Media:070-9869-00 c2.pdf|Alternate copy]]</small>
* [[Media:070-9874-02.pdf|TDS600B Technical Reference 070-9874-02]]
* [[Media:070-9875-04.pdf|TDS600B Service 070-9875-04]]
* [[Media:070-9876-00.pdf|TDS600B Programmers Manual 070-9876-00]]
* [[Media:071-0090-01.pdf|TDS600B User Manual Supplement 071-0090-01]] / <small>[[Media:071-0090-01 c2.pdf|Alternate copy]]</small>
* [[Media:071-0134-00.pdf|TDS600B User Manual Japanese 071-0134-00]]
* [[Media:071-0135-00.pdf|TDS600B Performance Verification and Specifications 071-0135-00]]
* [[Media:071-0136-00.pdf|TDS600B Service Manual 071-0136-00]]
 
'''Schematics'''
* [http://hakanh.com/dl/docs/hardtofind/TDS644A_A10(Acq).pdf Full TDS644A schematics of A10 Acquisition board (TDS640, TDS640A, TDS644A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A11(CPU).pdf Full TDS644A schematics of A11 CPU board (TDS644A, same as TDS544A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A17-A19(PS).pdf Full TDS644A schematics of A17 - A19 Power Supply boards (TDS620, TDS640, TDS640A & TDS644A, same as TDS544A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A30-32(Disp).pdf Full TDS644A schematics of A30 - A32 Display/CRT Assy boards (same as TDS544A)]
 
'''Common'''
* [[Media:061-4094-02.pdf|TDS, TLS & CTS FDD Replacement 061-4094-02]]
* [[Media:061-4094-02.pdf|TDS, TLS & CTS FDD Replacement 061-4094-02]]
* [[Media:070-8432-04.pdf|TLS Logic Scope and TDS Series Oscilloscopes Rackmount Installation 070-8432-04]]
* [[Media:070-8432-04.pdf|TLS Logic Scope and TDS Series Oscilloscopes Rackmount Installation 070-8432-04]]
* [[Media:070-8567-01.pdf|Option 13 RS-232/Centronics Hardcopy Interface Instruction Manual 070-8567-01]]
* [[Media:070-8582-01.pdf|Option 2F Advanced DSP Math Instruction Manual 070-8582-01]]
* [[Media:070-8748-02.pdf|TDS Family Opt 05 Video Trigger Interface Instruction Manual 070-8709-02]]
* [[Media:070-8748-02.pdf|TDS Family Opt 05 Video Trigger Interface Instruction Manual 070-8709-02]]
* [[Media:070-8919-00.pdf|TTiP TDS Telecommunication Templates & i-Pattern Software 070-8919-00]]
* [[Media:070-8919-00.pdf|TTiP TDS Telecommunication Templates & i-Pattern Software 070-8919-00]]
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* [[Media:071-1140-03.pdf|WaveStar Software, Wavestar Reader, AD007 GPIB-LAN Adapter Software Solutions Installation 071-1140-03]]
* [[Media:071-1140-03.pdf|WaveStar Software, Wavestar Reader, AD007 GPIB-LAN Adapter Software Solutions Installation 071-1140-03]]


==TDS644A==
* [[Media:070-8709-06.pdf|TDS400A/500A/600A/700A Programmer 070-8709-06]]
* [[Media:070-8709-07.pdf|TDS400A/500A/600A/700A Programmer 070-8709-07]]
* [[Media:070-8711-02.pdf|TDS500A/600A Reference 070-8711-02]]
* [[Media:070-8715-04.pdf|TDS 620A, 640A, 644A User Manual 070-8715-04]]
* [[Media:070-8718-04.pdf|TDS 620A, 640A, 644A Service Manual 070-8718-04]]
* [[Media:55W-8862-00.PDF|Sales Brochure]]
==TDS644B==
* [[Media:070-9382-01.pdf|TDS500B/600B/700A Reference 070-9382-01]]
* [[Media:070-9384-01.pdf|TDS500B/600B/700A Performance Verification and Specifications 070-9384-01]]
* [[Media:070-9386-03.pdf|TDS500B/600B/700A Service Manual 070-9386-03]]
* [[Media:070-9719-00.pdf|TDS500B/600B/700A Digitizing Oscilloscopes 070-9719-00]]
* [[Media:070-9721-02.pdf|TDS500B/600B/700A Service Manual 070-9721-02]]
* [[Media:070-9861-00.pdf|TDS500C/600B/700C Reference 070-9861-00]] / <small>[[Media:070-9861-00 c2.pdf|Alternate copy]]</small>
* [[Media:070-9869-00.pdf|TDS500C/600B/700C User 070-9869-00]] / <small>[[Media:070-9869-00 c2.pdf|Alternate copy]]</small>
* [[Media:070-9874-02.pdf|TDS500C/600B/700C Technical Reference 070-9874-02]]
* [[Media:070-9875-04.pdf|TDS500C/600B/700C Service 070-9875-04]]
* [[Media:071-0090-01.pdf|TDS500C/600B/700C User Manual Supplement 071-0090-01]] / <small>[[Media:071-0090-01 c2.pdf|Alternate copy]]</small>
* [[Media:071-0135-00.pdf|TDS500D/600B/700D Performance Verification and Specifications 071-0135-00]]
* [[Media:071-0136-00.pdf|TDS500D/600B/700D Service Manual 071-0136-00]]
==Schematics==
* [http://hakanh.com/dl/docs/hardtofind/TDS644A_A10(Acq).pdf Full TDS644A schematics of A10 Acquisition board (TDS640, TDS640A, TDS644A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A11(CPU).pdf Full TDS644A schematics of A11 CPU board (TDS644A, same as TDS544A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A17-A19(PS).pdf Full TDS644A schematics of A17 - A19 Power Supply boards (TDS620, TDS640, TDS640A & TDS644A, same as TDS544A)]
* [http://hakanh.com/dl/docs/hardtofind/TDS544A_A30-32(Disp).pdf Full TDS644A schematics of A30 - A32 Display/CRT Assy boards (same as TDS544A)]
}}
}}
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. <br>
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. <br>
The '''Tektronix TDS644B''' has a sample rate of 2.5 GS/s, with a record length of up to 15,000 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.  
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==Firmware==
==Firmware==
* [[Media:TDS644B v4.2e Firmware.zip|TDS644B v4.2e Firmware]] (ZIP)
* [[Media:TDS644A_v3.8.4e_Firmware.zip|TDS644A v3.8.4e Firmware]] (ZIP)
 
* [[Media:TDS644B_v4.2e_Firmware.zip|TDS644B v4.2e Firmware]] (ZIP)




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TDS644A back.jpg
TDS644A back.jpg
</gallery>
</gallery>
==Components==
{{Parts|TDS644A}}
{{Parts|TDS644B}}




Latest revision as of 07:42, 6 December 2023

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.

Tektronix TDS644
500 MHz, 2 GS/s, 4-Ch digital scope
Tektronix TDS644A

Produced from 1994 to (?)

Manuals

TDS644A

TDS644B

Schematics

Common

(All manuals in PDF format unless noted otherwise)

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


Firmware


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

Pictures

Components

Some Parts Used in the TDS644A


Some Parts Used in the TDS644B

Part Part Number(s) Class Description Used in
H2462 Hybrid integrated circuit oscilloscope channel input module TDS510B • TDS520B • TDS524B • TDS540B • TDS544B • TDS620B • TDS640B • TDS644B • TDS680B • TDS684B • TDS714 • TDS724 • TDS744 • TDS754 • TDS782 • TDS784 • TDS794
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