TDS794D: Difference between revisions

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(Added specs)
(Added specs, firmware and links)
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* [[Media:071-0627-02.pdf|TDS700D Service Manual 071-0627-02]]
* [[Media:071-0627-02.pdf|TDS700D Service Manual 071-0627-02]]
* [[Media:071-0630-03.pdf|TDS700D Performance Verification and Specifications 071-0630-03]]
* [[Media:071-0630-03.pdf|TDS700D Performance Verification and Specifications 071-0630-03]]
}}
}}
The '''Tektronix TDS794''' is a 2 GHz, 4 GS/s quad-channel digital storage scope.


See the [[TDS794D/Repairs|Repairs page]] regarding HDD/FDD replacements.
The '''Tektronix TDS794''' is a 2 GHz, 4 GS/s four-channel digital storage scope with a color screen.


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Bandwidth  | 2 GHz }}
{{Spec | Bandwidth  | 2 GHz }}
{{Spec | Sample rate | 1 channel @ 4 GS/s, 2 channels @ 2 GS/s, 3 or 4 channels @ 1 GS/s }}
{{Spec | Sample rate | 1 channel @ 4 GS/s, 2 channels @ 2 GS/s, 3 or 4 channels @ 1 GS/s }}
{{Spec | Number of Channels | 4 }}
{{Spec | Vertical Sensitivity| 10 mV to 1 V/div with calibrated fine adjustment }}
{{Spec | Resolution  | 8 bit }}
{{Spec | Resolution  | 8 bit }}
{{Spec | Record length | 50k samples per channel (500k with option 1M, 8M with option 2M) }}
{{Spec | Time Base Range| 200 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 | Acquisition modes | sample, envelope, average, high-resolution, peak-detect }}
{{Spec | Display  | Color; Zoom }}
{{Spec | Display  | Color; Zoom }}
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==Firmware==
==Firmware==
* [[Media:TDS794D_v6.3e_Firmware.zip|TDS794D v6.3e Firmware]] (ZIP)
* [[Media:TDS794D_v6.4e_Firmware.zip|TDS794D v6.4e Firmware]] (ZIP)
* [[Media:TDS794D_v6.6e_Firmware.zip|TDS794D v6.6e Firmware]] (ZIP)
* [[Media:TDS794D_v6.6e_Firmware.zip|TDS794D v6.6e Firmware]] (ZIP)
==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/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==
==Pictures==

Revision as of 05:14, 30 April 2022

Tektronix TDS794
2 GHz, 4 GS/s 4-channel digital scope
Tektronix TDS794D

Produced from (?) to (?)

Manuals

Common

TDS794D

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures


The Tektronix TDS794 is a 2 GHz, 4 GS/s four-channel digital storage scope with a color screen.

Key Specifications

Bandwidth 2 GHz
Sample rate 1 channel @ 4 GS/s, 2 channels @ 2 GS/s, 3 or 4 channels @ 1 GS/s
Number of Channels 4
Vertical Sensitivity 10 mV to 1 V/div with calibrated fine adjustment
Resolution 8 bit
Time Base Range 200 ps to 10 s/div
Record length 50k samples per channel
Record Length (1M Option) 500 K points on 1 channel; 250 k points on 2 channels ; 130 k points on 3 or 4 channels
Record Length (2M Option) 8 M points on 1 channel; 4 M points on 2 channels ; 2 M points on 3 or 4 channels
Acquisition modes sample, envelope, average, high-resolution, peak-detect
Display Color; Zoom
Trigger modes Edge, logic, pulse; Video trigger with option 05 (NTSC, SECAM, PAL, HDTV, and FlexFormat)
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
I/O Full GPIB programmability
Hardcopy Using GPIB, RS-232, or Centronics ports

Software

Firmware

Links

See the Repairs page regarding HDD/FDD replacements.

Pictures

TDS794D

Internal

  • Option 05 Internal Parts

    Option 05 Internal Parts

  • Option HD Internal Parts, 2.5" Disk Version

    Option HD Internal Parts, 2.5" Disk Version

  • Option HD Internal Parts, PCMCIA Disk Version

    Option HD Internal Parts, PCMCIA Disk Version

TDS794 Probe (P6339A)

  • P6339A

    P6339A

  • P6339A

    P6339A

  • P6339A Open

    P6339A Open

  • P6339A Analog board top view

    P6339A Analog board top view

  • P6339A Analog board bottom view

    P6339A Analog board bottom view

  • P6339A logic board

    P6339A logic board

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