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| {{Oscilloscope Sidebar
| | #redirect[[TDS744]] |
| |manufacturer=Tektronix
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| |series=TDS series scopes
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| |model= TDS744A
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| |summary=4-ch 500 MHz, 2 GS/s digital scope
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| |image=TDS744A.jpg
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| |caption=Tektronix TDS744A
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| |introduced=1995
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| |discontinued=1998?
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| |designers=
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| |manuals=
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| * [[Media:070-8709-07.pdf|TDS400A/500A/600A/700A Programmer 070-8709-07]]
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| * [[Media:070-8748-02.pdf|TDS Family Opt 05 Video Trigger Interface 070-8709-07]]
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| * [[Media:070-8990-04.pdf|TDS684A/744A/784A Performance Verification and Specifications 070-8990-04]]
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| * [[Media:070-8991-02.pdf|TDS684A/744A/784A User 070-8991-02]] / <small>[[Media:070-8991-02 c2.pdf|Alternate copy]]</small>
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| * [[Media:070-8992-02.pdf|Tektronix TDS 684A and TDS 744 Service Manual (November 1994, PDF)]]
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| * [[Media:070-8992-03.pdf|TDS684A/744A/784A Service 070-8992-03]]
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| * [[Media:070-8999-02.pdf|TDS684A/744A/784A Reference 070-8999-02]] / <small>[[Media:070-8999-02 c2.pdf|Alternate copy]]</small>
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| * [[Media:070-9382-01.pdf|TDS500B/600B/700A Reference 070-9382-01]]
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| * [[Media:070-9384-01.pdf|TDS500B/600B/700A Performance Verification and Specifications 070-9384-01]]
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| * [[Media:070-9386-03.pdf|TDS500B/500B/700A Service 070-9386-03]]
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| * [[Media:070-9473-01.pdf|TDS684A/744A/784A Firmware Field Upgrade 070-9473-01]]
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| * [[Media:070-9719-00.pdf|TDS500B/600B/700A Digitizing Oscilloscopes 070-9719-00]]
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| * [[Media:070-9721-02.pdf|TDS500B/600B/700A Service Manual 070-9721-02]]
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| }}
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| The '''TDS744''' is a 500 MHz, 2 GS/s four-channel digital scope with a color screen.
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| {{BeginSpecs}}
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| {{Spec | Bandwidth | 500 MHz at 10 mv/div and above; 500 MHz @ 5 mV/div; 500 MHz @ 2 mV/div; 450 MHz @ 1 mV/div }}
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| {{Spec | Sample rate | 1 channel @ 2 GS/s, 2 channels @ 1 GS/s, 3 or 4 channels @ 500 MS/s }}
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| {{Spec | Resolution | 8 bit }}
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| {{Spec | Record length | 50k samples per channel (500k with option 1M) }}
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| {{Spec | Acquisition modes | sample, envelope, average, high-resolution, peak-detect }}
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| {{Spec | Display | Color; Zoom }}
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| {{Spec | Trigger modes | Edge, logic, pulse; Video trigger with option 05 ([[NTSC]], [[SECAM]], [[PAL]], HDTV, and FlexFormat) }}
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| {{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 }}
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| {{Spec | I/O | Full GPIB programmability }}
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| {{Spec | Hardcopy | Using [[GPIB]], [[RS-232]], or Centronics ports }}
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| {{EndSpecs}}
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| ==Software==
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| * [[Media:TDS700A_Field_Adjustment_Software_PN_063260100.zip|TDS700A Field Adjustment Software 063260100]] (ZIP)
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| * [[Media:TDS300-400-500-600-700-800_AWE_Drivers_066008700.zip|Tektronix TDS300, 400, 500, 600, 700, 800 AWE Drivers 066008700]] (ZIP)
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| * [[Media:Wavestar_2012.05.09.11.07.29_16456_EN.zip|Tektronix Wavestar 2012.05.09.11.07.29 16456 EN]] (ZIP, 102MB) ''Product Key: WSTRO618650124''
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| ==Firmware==
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| * [[Media:TDS744A_v1.0e_Firmware.zip|TDS744A v1.0e Firmware]] (ZIP)
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| * [[Media:TDS744A_v4.2.1e_Firmware.zip|TDS744A v4.2.1e Firmware]] (ZIP)
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| ==Options==
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| * 05 - Video Trigger - Oscilloscope comes with tools that allow investigation of a range of NTSC, PAL, SECAM, and high definition TV signals.
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| * 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.
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| * 13 - RS-232C and Centronics hardcopy interfaces - Add RS-232-C and Centronics interface ports.
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| * 1F - Floppy disk drive - Add 3.5 inch, 1.44 MByte floppy disc drive.
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| * 2F - Advanced DSP math - Add advanced DSP math features such as FFT, integration, and differentiation.
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| * 2C - Communication Signal Analyzer - Oscilloscope comes configured for communications signal triggering and mask testing.
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| * 3C - P6701B with system calibration - Oscilloscope comes with a P6701B and calibrated short-wavelength optical reference receiver on channel 1.
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| * 4C - P6703B with system calibration - Oscilloscope comes with a P6703B and calibrated long-wavelength optical reference receiver on channel 1.
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| * 2M - 8M acquisition length - TDS 520D, 724D: To 2M samples on two channels and 4M on one channel. TDS 540D, 580D, 714L, 754D, 784D, 794D: To 2M samples on three or four channels, 4M on two channels, and 8M samples on one channel (Option includes a hard disk and is only available for the models listed above.)
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| ==Links==
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| * Tek Forum threads:
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| ** [http://forum.tek.com/viewtopic.php?f=568&t=140017/ Recovering the unit from a bricked state]
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| * EEVBlog Forum Threads:
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| ** [http://www.eevblog.com/forum/testgear/conversion-of-500mhz-tds744a-to-1ghz-tds784a/ Conversion of 500MHz TDS744A to 1GHz TDS784A]
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| ** [http://www.eevblog.com/forum/testgear/hackingupgrading-old-scope-(tds754d)/ EEVBlog Forum thread on TDS options and how to enable them]
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| ** [https://www.eevblog.com/forum/repair/unified-tektool-released-!-(firmware-flash-tools-for-old-tds-series)/ Firmware update via GPIB]
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| ** [https://www.eevblog.com/forum/repair/tektronix-tds500-700-debug-konscole-interface/ Serial debug and console interface card for TDS500-700 series]
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| ** [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]
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| * [https://simmconnlabscom.ipage.com/store/page5.html Simmconn Labs LCD replacement kits for CRT-based TDS O-scopes]
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| * [https://www.tek.com/support/faqs/i-lost-my-wavestar-keycode-how-can-i-get-it-back Wavestar Product Key]
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| * [https://www.hakanh.com/dl/TDSErrLog.htm TDS error log viewer]
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| ==Pictures==
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| <gallery>
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| Tek_TDS744A_Front.jpeg | Front
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| Tek_TDS744A_Back.jpeg | Rear
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| </gallery>
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| ===Internals===
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| <gallery>
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| Tek_TDS744A_Top.jpeg | Top - Processor/Display Board
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| Tek_TDS744A_Bottom.jpeg |Bottom - Acquisition board
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| Tek_TDS744A_PS_CRT_1.jpeg | Power supply & CRT board
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| Tek_TDS744A_PS_CRT_2.jpeg | Power supply & CRT board
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| Tek_TDS744A_LHS.jpeg | LHS
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| Tek_TDS744A_RHS.jpeg | RHS
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| </gallery>
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| [[Category:TDS700 series scopes]]
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