31: Difference between revisions

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* [[153 | Model 153 Tektronix Instrument Interface]]
* [[153 | Model 153 Tektronix Instrument Interface]]
* [[154 | Model 154 RS-232C Interface]]
* [[154 | Model 154 RS-232C Interface]]
These connect to the calculator through a 50-pin card-edge bus interface supporting DMA access at up to 125 kbyte/s.  
These connect to the calculator through a [[012-0049-01|50-pin card-edge bus interface]] supporting DMA access at up to 125 kbyte/s.  
The bus uses open-collector TTL drivers and can be daisy-chained through multiple peripherals (which all have two matching bus connectors for this purpose).
The bus uses open-collector TTL drivers and can be daisy-chained through multiple peripherals (which all have two matching bus connectors for this purpose).
It must be terminated at the last unit.
It must be terminated at the last unit.

Revision as of 13:32, 29 May 2017

The Tektronix 31 is a programmable desktop calculator. It features program branching and a complete set of transcendental functions.

It is built around a custom LSI chip set.

Several interfaces were available:

These connect to the calculator through a 50-pin card-edge bus interface supporting DMA access at up to 125 kbyte/s. The bus uses open-collector TTL drivers and can be daisy-chained through multiple peripherals (which all have two matching bus connectors for this purpose). It must be terminated at the last unit.

The 31/10 Graphic Calculator System was a bundle of a model 31 with a 4010-1 graphics terminal, interface and software collection.

Manuals

Links