T202

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 the Gossen/Norma brand.

Key Specifications

• please add

Links

• Tektronix T202 @ radiomuseum.org
• Thead on Createc SC-04 with internal pictures

Pictures

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

  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

• 

  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 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.

• 

  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.

• 

  The bottom reveals some SMD components

• 

  Overview of the display board

• 

  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.

• 

  The external powersupply with removed battery cover

• 

  Closeup of the power supply board

• 

  Rear view of the power supply board

• 

  A bag with a pair of probes