View source for TDS744

{{Oscilloscope Sidebar 
|manufacturer=Tektronix 
|series=TDS series scopes
|model=TDS744A 
|summary=4-ch 500 MHz, 2 GS/s digital scope 
|image=TDS744A.jpg 
|caption=Tektronix TDS744A 
|introduced=1995 
|discontinued=1998?
|designers=
|manuals=
'''TDS744'''
* TDS744 Programmer Manual 070-8709-01
* [[Media:070-8991-01.pdf|TDS744 User Manual 070-8991-01]]
* [[Media:070-8992-02.pdf|TDS744 Service Manual 070-8992-02]]
* [[Media:070-8990-02.pdf|TDS744 Performance Verification and Specifications 070-8990-02]]
* TDS744 Reference 070-8999-01

'''TDS744A'''
* [[Media:070-8990-04.pdf|TDS744A Performance Verification and Specifications 070-8990-04]]
* [[Media:070-8991-02.pdf|TDS744A User Manual 070-8991-02]] / <small>[[Media:070-8991-02 c2.pdf|Alternate copy]]</small>
* [[Media:070-8992-03.pdf|TDS744A Service Manual 070-8992-03]]
* [[Media:070-8999-02.pdf|TDS744A Reference 070-8999-02]] / <small>[[Media:070-8999-02 c2.pdf|Alternate copy]]</small>
* [[Media:070-9382-01.pdf|TDS700A Reference 070-9382-01]]
* [[Media:070-9384-01.pdf|TDS744A Performance Verification and Specifications 070-9384-01]]
* [[Media:070-9386-03.pdf|TDS744A Service Manual 070-9386-03]]
* [[Media:070-9473-01.pdf|TDS684A/744A/784A Firmware Field Upgrade TDS 7U01 070-9473-01]]
* [[Media:070-9702-00.pdf|TDS744A Programmer Manual 070-9702-00]]
* [[Media:070-9556-00.pdf|TDS744A etc Programmer Manual 070-9556-00]]
* [[Media:070-9719-00.pdf|TDS700A Digitizing Oscilloscopes 070-9719-00]]
* [[Media:070-9721-02.pdf|TDS700A Service Manual 070-9721-02]]

'''Schematics'''
* [[Media:Tek_TDS744A_DRAM_Processor_Display_Module_Schematic.pdf|TDS744A DRAM/Processor/Display Module Schematic]]

'''Common'''
* [[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:070-8567-01.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:070-8709-07.pdf|TDS400A/500A/600A/700A Programmer 070-8709-07]]
* [[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:070-9636-02.pdf|TDS Family Opt 05 Video Trigger Interface Install 070-9636-02]]
* [[Media:070-9785-03.pdf|Wavestar Software User Manual 070-9785-03]]
* [[Media:071-0220-07.pdf|WSTRO & WSTROU WaveStar Software User Manual 071-0220-07]]
* [[Media:071-0220-09.pdf|WSTRO WaveStar Software User Manual 071-0220-09]]
* [[Media:071-0375-00.pdf|TDXF2C, TDSXF3C, TDSXF4C, TDSXF1M2 & TDSXF1M4 Upgrades 071-0375-00]]
* [[Media:071-0375-02.pdf|TDXF2C, TDSXF3C, TDSXF4C, TDSXF1M2 & TDSXF1M4 Upgrades 071-0375-02]]
* [[Media:071-0442-02.pdf|TDS500C/500D/600C/700C,D,L HDD Upgrade 071-0442-02]]
* [[Media:071-0817-00.pdf|WSTRO, WSTROU & WSTRM WaveStar Software, AD007 GPIB-LAN Adapter, TDS3EM Ethernet Comms Module User Manual 071-0817-00]]
* [[Media:071-1140-03.pdf|WaveStar Software, Wavestar Reader, AD007 GPIB-LAN Adapter Software Solutions Installation 071-1140-03]]
}}
The '''TDS744''' is a 500 MHz, 2 GS/s four-channel digital storage scope with a color screen.

{{BeginSpecs}}
{{Spec | Bandwidth   | 500 MHz }}
{{Spec | Sample rate | 1 channel @ 2 GS/s, 2 channels @ 1 GS/s, 3 or 4 channels @ 500 MS/s }}
{{Spec | Number of Channels | 4 }}
{{Spec | Vertical Sensitivity| 1 mV to 10 V/div with calibrated fine adjustment }}
{{Spec | Resolution  | 8 bit }}
{{Spec | Time Base Range| 500 ps to 10 s/div }}
{{Spec | Record length | 50k samples per channel }}
{{Spec | Record Length (1M Option)| 500 K points on 1 channel;  250 k points on 2 channels ; 130 k points on 3 or 4 channels }}
{{Spec | Record Length (2M Option)| 8 M points on 1 channel;  4 M points on 2 channels ; 2 M points on 3 or 4 channels }}
{{Spec | Acquisition modes | sample, envelope, average, high-resolution, peak-detect }}
{{Spec | Display  | Color; Zoom }}
{{Spec | Trigger modes | Edge, logic, pulse; Video trigger with option 05 ([[NTSC]], [[SECAM]], [[PAL]], HDTV, and FlexFormat) }}
{{Spec | Storage | 1.44 Mbyte, 3.5 inch, DOS 3.3-or-later floppy disk. NVRAM storage for saving waveforms, hardcopies, and setups. Units with option HD present (requires additional hardware) have a hard disk drive }}
{{Spec | I/O | Full GPIB programmability }}
{{Spec | Hardcopy | Using [[GPIB]], [[RS-232]], or Centronics ports }}
{{EndSpecs}}

==Software==
* [[Media:TDS700A_Field_Adjustment_Software_PN_063260100.zip|TDS700A Field Adjustment Software 063-2601-00]] (ZIP)
<br>
* [[Media:063-1134-00 V1.2.zip|TDS Family Programming Examples Software 063-1134-00 V1.2]] (ZIP)
* [[Media:066-0002-00.zip|Waveform Converter For Oscilloscopes 066-0002-00]] (ZIP)
* [[Media:066-0087-00.zip|AWE Drivers For Tektronix Oscilloscopes 066-0087-00]] (ZIP)
* [[Media:066-0104-00.zip|File Transfer Utility From TDS Scope To PC 066-0104-00]] (ZIP)
* [[Media:Ttip.zip|Telecom Test and I-Pattern Software TTiP 066-0119-00]] (ZIP)
* [[Media:066-0125-00.zip|Enhanced Printing Utility for TDS Family 066-0125-00]] (ZIP)
* [[Media:Tdsrteup_(TDS_runtime_Environment_TDSRTE1).zip|TDS runtime Environment TDSRTE1 066-0127-00]] (ZIP)
* [[Media:066-0165-00.zip|Tektronix TDS500C/700C Custom Masks 066-0165-00]] (ZIP)
* [[Media:066-0176-00.zip|WFM to ASCII Waveform Converter - UNIX Version For Sun Spark Stations 066-0176-00]] (ZIP)
* [[Media:066-0177-00.zip|Hardcopy from TDS to PC Using HPIP 82335B Interface Card 066-0177-00]] (ZIP)
* [[Media:066-0178-00.zip|Example Program To Get Crossing Levels 066-0178-00]] (ZIP)
* [[Media:066-0179-00.zip|TDS ISF File To CSV File Conversion Utility 066-0179-00]] (ZIP)
* [[Media:066-0183-00.zip|TDS Sandisk Hard Disk Patch Utility 066-0183-00]] (ZIP)
* [[Media:066-0188-00.zip|Transfer 2 Byte Data From TDS Oscilloscopes QuickBasic 066-0188-00]] (ZIP)
* [[Media:066-0194-00.zip|TDS Waveform Logging Sample Program 066-0194-00]] (ZIP)
* [[Media:066-0196-00.zip|Load TDS Floppy MathCAD Files Into MathCAD 066-0196-00]] (ZIP)
* [[Media:066-0197-00.zip|Transfer TDS Hardcopy Screens To PC Via GPIB 066-0197-00]] (ZIP)
* [[Media:066-0198-00.zip|Transfer Setups Between TDS Oscilloscopes 066-0198-00]] (ZIP)
* [[Media:066-0200-00.zip|VB Program To Capture TDS Extended Waveforms 066-0200-00]] (ZIP)
* [[Media:066-0201-00.zip|Telecommunications Option for TDS Oscilloscopes 066-0201-00]] (ZIP)
* [[Media:066-0489-00.zip|TDS Series WFM File Formatter 066-0489-00]] (ZIP)
* [[Media:Wavestar_2012.05.09.11.07.29_16456_EN.zip|Tektronix Wavestar 2012.05.09.11.07.29 16456 EN 066-0934-03]] (ZIP, 102MB) ''Product Key: WSTRO618650124''

==Firmware==
* [[Media:TDS744A_v1.0e_Firmware.zip|TDS744A v1.0e Firmware]] (ZIP)
* [[Media:TDS744A_v1.1e_Firmware.zip|TDS744A v1.1e Firmware]] (ZIP)

* [[Media:TDS744A_v4.0e_Firmware.zip|TDS744A v4.0e Firmware]] (ZIP)
* [[Media:TDS744A_v4.2.1e_Firmware.zip|TDS744A v4.2.1e 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.
* 2C - Communication Signal Analyzer              - Oscilloscope comes configured for communications signal triggering and mask testing.
* 3C - P6701B with system calibration             - Oscilloscope comes with a P6701B and calibrated short-wavelength optical reference receiver on channel 1.
* 4C - P6703B with system calibration             - Oscilloscope comes with a P6703B and calibrated long-wavelength optical reference receiver on channel 1.

==Links==
See the [[TDS794D/Repairs|Repairs page]] regarding HDD/FDD replacements.

* Tek Forum threads:
** [http://forum.tek.com/viewtopic.php?f=568&t=140017/  Recovering the unit from a bricked state]
** [http://forum.tek.com/viewtopic.php?f=568&t=139999&hilit=TDS784/ Firmware updating]
** [http://forum.tek.com/viewtopic.php?f=568&t=138168&hilit=TDS784/ Backing up and restoring calibration data]
* EEVBlog Forum Threads:
** [http://www.eevblog.com/forum/testgear/conversion-of-500mhz-tds744a-to-1ghz-tds784a/ Conversion of 500 MHz TDS744A to 1 GHz TDS784A]
** [http://www.eevblog.com/forum/testgear/hackingupgrading-old-scope-(tds754d)/ EEVBlog Forum thread on TDS options and how to enable them]
** [https://www.eevblog.com/forum/repair/unified-tektool-released-!-(firmware-flash-tools-for-old-tds-series)/ Firmware update via GPIB]
** [https://www.eevblog.com/forum/repair/tektronix-tds500-700-debug-konscole-interface/ Serial debug and console interface card for TDS500-700 series]
** [https://www.eevblog.com/forum/testgear/console-port-debug-adapter-for-tek-tds500-tds600-and-tds700-series-scopes/ Console port debug adapter for TDS500-700 series]
* Youtube
** [https://www.youtube.com/watch?v=ve-MnHakY6Y NVRAM module replacement - Near Far Media]
** [https://www.youtube.com/watch?v=b0P1sJBomDQ Input hybrid repair - Near Far Media]
** [https://www.youtube.com/watch?v=ZsxKTOmeZ2k Power supply repair - Near Far Media]

* [https://simmconnlabscom.ipage.com/store/page5.html Simmconn Labs LCD replacement kits for CRT-based TDS O-scopes]
* [https://www.tek.com/support/faqs/i-lost-my-wavestar-keycode-how-can-i-get-it-back Wavestar Product Key]
* [https://www.hakanh.com/dl/TDSErrLog.htm TDS error log viewer]
* [http://www.ko4bb.com/getsimple/index.php?id=enable-tds754d-options Enabling options via GPIB interface - ko4bb.com]

==Pictures==
<gallery>
Tek_TDS744A_Front.jpeg|Front
Tek_TDS744A_Back.jpeg|Rear
</gallery>

===Internals===
<gallery>
Tek_TDS744A_Top.jpeg|Top - Processor/Display Board
Tek_TDS744A_Bottom.jpeg|Bottom - Acquisition board
Tek_TDS744A_PS_CRT_1.jpeg|Power supply & CRT board
Tek_TDS744A_PS_CRT_2.jpeg|Power supply & CRT board
Tek_TDS744A_LHS.jpeg|Left Side
Tek_TDS744A_RHS.jpeg|Right Side
TDS5-6-700_Option_05_TV_Trigger_Internal_Parts.jpg|Option 05 Internal Parts
</gallery>


[[Category:TDS700 series scopes]]