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[[File:Tek 250.jpg|350px|right]] | [[File:Tek 250.jpg|350px|right]] | ||
The '''Tektronix | The '''Tektronix Model 250''' and its rack-mount version, the '''R250''', are instruments [[introduced in 1968]] that extend the number of control lines of a [[240|model 240 Programmer]]. | ||
Having more lines allows, for example, a 240 to control a [[R116]] or [[R293]] pulse generator as the stimulus for a | Having more lines allows, for example, a 240 to control a [[R116]] or [[R293]] pulse generator as the stimulus for a | ||
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<gallery> | <gallery> | ||
Tek 250.jpg | |||
</gallery> | </gallery> | ||