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* ''please add'' [[Category:Manual needed]] | * ''please add'' [[Category:Manual needed]] | ||
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The '''Tektronix 7B81P''' is a programmable time base plug-in for [[7000-series scopes]] that was probably designed in 1975. | The '''Tektronix 7B81P''' is a programmable time base plug-in for [[7000-series scopes]] that was probably designed in 1975. According to Dennis Tillman, the 7B81P never went into production. | ||
It is composed of a digital board, a trigger board, and a sweep board. | It is composed of a digital board, a trigger board, and a sweep board. |