T202: Difference between revisions
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* [[Media:070-6419-00.pdf|Tektronix T202 Operators Manual]] | * [[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]] | |||
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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. | 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. | ||
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Tek_P6115_bag.jpg | A bag with a pair of probes | Tek_P6115_bag.jpg | A bag with a pair of probes | ||
</gallery> | </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> | |||
[[Category:Digital storage scopes]] | [[Category:Digital storage scopes]] | ||
Latest revision as of 11:52, 14 December 2024
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
- Tektronix T202 @ radiomuseum.org
- 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
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The slide switches are patented
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The screws for opening the unit are hidden behind so called "warranty plugs". These plugs can't be removed without destroying them
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4 boards are stacked upon each other. The digital board is covered within an aluminium foil
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View on the potentiometer for LCD contrast and the protection resistors
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view on the BNC connecters. The ground path is protected with a 4mm glass fuse
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Top view on the analog board. he A/D converter is a PNA7509 - a 7bit/22MHz unit.
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The bottom reveals some SMD components
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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.
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The bottom reveals some SMD components
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Overview of the display board
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The display unit is a complete package
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This board also contains proprietary ICs. The top half is the graphics processor with some RAM. The bottom contains the keyboard circutry.
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The external powersupply with removed battery cover
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Closeup of the power supply board
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Rear view of the power supply board
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A bag with a pair of probes
Test procedures
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The firmware reveals that some diagnostic routines are integrated into the scope. These are not mentioned in the user manual.
