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1A1: Difference between revisions
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discontinued 1975 not 74; external trigger ch1 only
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David Wise (talk | contribs) m (discontinued 1975 not 74; external trigger ch1 only) |
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caption=1A1 front view| | caption=1A1 front view| | ||
introduced=1964 | | introduced=1964 | | ||
discontinued= | discontinued=1975 | | ||
series=[[500-series scopes]]| | series=[[500-series scopes]]| | ||
manuals= | manuals= | ||
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Even after the front-end transitioned from Nuvistors to FETs, | Even after the front-end transitioned from Nuvistors to FETs, | ||
the output amplifier continued to use Nuvistors. | the output amplifier continued to use Nuvistors. | ||
Type 1A1 has an External Trigger output for mainframes prior to the [[547]] that don't support plug-in triggering. | |||
Types 1A1 and [[1A2]] were [[introduced in 1964|introduced together in 1964]], | Types 1A1 and [[1A2]] were [[introduced in 1964|introduced together in 1964]], | ||
the former for high-end use, the latter as an upgrade/replacement for [[CA|Type CA]]. | the former for high-end use, the latter as an upgrade/replacement for [[CA|Type CA]]. | ||
Both remained available until the [[500-series scopes|500-series scope line]] was discontinued | Both remained available until the [[500-series scopes|500-series scope line]] was discontinued. | ||
The 1A1 is not a perfect superset of the 1A2; it supplies external trigger from channel 1 only. | |||
The 1A1 may have evolved from the [[J|Type J]], which never went into production. | The 1A1 may have evolved from the [[J|Type J]], which never went into production. | ||
Tektronix' German distributor, ''[[Rohde & Schwarz]]'', apparently manufactured a version of the 1A1 in Germany (see Links). | Tektronix' German distributor, ''[[Rohde & Schwarz]]'', apparently manufactured a version of the 1A1 in Germany (see Links). | ||