T202: Difference between revisions

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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar  
title=Tektronix T202 |
|manufacturer=Tektronix
summary=Hand-held 5 MHz LCD scope |
|series=
image=T202.jpg |
|model= T202
caption=Tektronix T202 |
|summary=Hand-held 5 MHz LCD scope
introduced=(?) |
|image=T202.jpg
discontinued=(?) |
|caption=Tektronix T202
manuals=
|introduced=1988
please add
|discontinued=1990
|manuals=
* [[Media:070-6419-00.pdf|Tektronix T202 Operators Manual]]
 
{{ROM Images}}
* 0: [[Media:T202_0_23_7.bin|0-23.7]]
* 8: [[Media:T202_8_23_7.bin|8-23.7]]
}}
}}
The '''Tektronix T202''' is a battery-powered, hand-held 5 MHz digital storage scope with voltmeter and frequency counter functions.
The '''Tektronix T202''' is a battery-powered, hand-held 5 MHz digital storage scope with voltmeter and frequency counter functions. It has a 128x128 monochrome LCD.
 
This was an OEM version of a [[Createc]] SC series unit, introduced in the mid-1980s, which was also sold under other brands.  


{{MissingSpecs}}
{{MissingSpecs}}
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==Links==
==Links==
* [http://www.radiomuseum.org/r/tektronix_handheld_5mhz_lcd_oscilloscope_t202.html Tektronix T202 @ radiomuseum.org]
* [http://www.radiomuseum.org/r/tektronix_handheld_5mhz_lcd_oscilloscope_t202.html Tektronix T202 @ radiomuseum.org]
* [http://www.eevblog.com/forum/testgear/vintage-handheld-scope-createc-sc04/ Thead on Createc SC-04 with internal pictures]
* [[https://vintagetek.org/t200-series-handheld-oscilloscopes/ page on vintageTEK on the introduction of the T200 series
==Pictures==
<gallery>
Tek t202 1.jpg
Tek t202 2.jpg
Tek t202 3.jpg
Tek t202 4.jpg
Tek t202 5.jpg
Tek t202 6.jpg
Tek t202 7.jpg
Tek t202 8.jpg
Tek t202 9.jpg
Tek t202 10.jpg
Tek t202 11.jpg
Tek t202 12.jpg
Tek_T201_pwr.jpg
Tek_t202_slide_switch.jpg | The slide switches are patented
Tek_t202_warranty_plugs.jpg | The screws for opening the unit are hidden behind so called "warranty plugs". These plugs can't be removed without destroying them
Tek_t202_open01.jpg | 4 boards are stacked upon each other. The digital board is covered within an aluminium foil
Tek_t202_open02.jpg | View on the potentiometer for LCD contrast and the protection resistors
Tek_t202_open03.jpg | view on the BNC connecters. The ground path is protected with a 4mm glass fuse
Tek_t202_analog_top.jpg | Top view on the analog board. he A/D converter is a PNA7509 - a 7bit/22MHz unit.
Tek_t202_analog_btm.jpg | The bottom reveals some SMD components
Tek_t202_digital_top.jpg | Top view of the digital board. It contains a microcontroller with typical RAM/Rom combination, but also a voltage reference and 2 proprietary ICs for signal processing.
Tek_t202_digital_btm.jpg | The bottom reveals some SMD components
Tek_t202_display_top.jpg | Overview of the display board
Tek_t202_displayboard_closeup.jpg | The display unit is a complete package
Tek_t202_keyboard_top.jpg | This board also contains proprietary ICs. The top half is the graphics processor with some RAM. The bottom contains the keyboard circutry.
Tek_t202_pwrsply_closeup.jpg | The external powersupply with removed battery cover
Tek_t202_pwrsply_front.jpg | Closeup of the power supply board
Tek_t202_pwrsply_rear.jpg | Rear view of the power supply board
Tek_P6115_bag.jpg | A bag with a pair of probes
</gallery>
==Test procedures==
<gallery>
Tek_T202_test_procedures.jpg | The firmware reveals that some diagnostic routines are integrated into the scope. These are not mentioned in the user manual.
</gallery>


{{MissingPics}}
[[Category:Digital storage scopes]]

Latest revision as of 11:52, 14 December 2024

Tektronix T202
Hand-held 5 MHz LCD scope
Tektronix T202

Produced from 1988 to 1990

Manuals
ROM Images
File Pos. Checksum
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix T202 is a battery-powered, hand-held 5 MHz digital storage scope with voltmeter and frequency counter functions. It has a 128x128 monochrome LCD.

This was an OEM version of a Createc SC series unit, introduced in the mid-1980s, which was also sold under other brands.

Key Specifications

  • please add

Links

Pictures

  • The slide switches are patented

    The slide switches are patented

  • The screws for opening the unit are hidden behind so called "warranty plugs". These plugs can't be removed without destroying them

    The screws for opening the unit are hidden behind so called "warranty plugs". These plugs can't be removed without destroying them

  • 4 boards are stacked upon each other. The digital board is covered within an aluminium foil

    4 boards are stacked upon each other. The digital board is covered within an aluminium foil

  • View on the potentiometer for LCD contrast and the protection resistors

    View on the potentiometer for LCD contrast and the protection resistors

  • view on the BNC connecters. The ground path is protected with a 4mm glass fuse

    view on the BNC connecters. The ground path is protected with a 4mm glass fuse

  • Top view on the analog board. he A/D converter is a PNA7509 - a 7bit/22MHz unit.

    Top view on the analog board. he A/D converter is a PNA7509 - a 7bit/22MHz unit.

  • The bottom reveals some SMD components

    The bottom reveals some SMD components

  • Top view of the digital board. It contains a microcontroller with typical RAM/Rom combination, but also a voltage reference and 2 proprietary ICs for signal processing.

    Top view of the digital board. It contains a microcontroller with typical RAM/Rom combination, but also a voltage reference and 2 proprietary ICs for signal processing.

  • The bottom reveals some SMD components

    The bottom reveals some SMD components

  • Overview of the display board

    Overview of the display board

  • The display unit is a complete package

    The display unit is a complete package

  • This board also contains proprietary ICs. The top half is the graphics processor with some RAM. The bottom contains the keyboard circutry.

    This board also contains proprietary ICs. The top half is the graphics processor with some RAM. The bottom contains the keyboard circutry.

  • The external powersupply with removed battery cover

    The external powersupply with removed battery cover

  • Closeup of the power supply board

    Closeup of the power supply board

  • Rear view of the power supply board

    Rear view of the power supply board

  • A bag with a pair of probes

    A bag with a pair of probes

Test procedures

  • The firmware reveals that some diagnostic routines are integrated into the scope. These are not mentioned in the user manual.

    The firmware reveals that some diagnostic routines are integrated into the scope. These are not mentioned in the user manual.

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