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561: Difference between revisions
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title=Tektronix 561 | | title=Tektronix 561 | | ||
image=Tek 561b cal trace.jpg | | image=Tek 561b cal trace.jpg | | ||
summary="General Purpose Scope" | | summary=10(4) MHz "General Purpose Scope" | | ||
caption=Tektronix 561B | | caption=Tektronix 561B | | ||
introduced=1961 | | introduced=1961 | | ||
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The CRT is a conventional glass envelope, without internal graticule. | The CRT is a conventional glass envelope, without internal graticule. | ||
Also, the scale was reduced from 8 × 10 divisions to 6 × 10. | Also, the scale was reduced from 8 × 10 divisions to 6 × 10. | ||
The 561S has | The 561S has no post-deflection acceleration, and a CRT cathode | ||
voltage of -3300 V, like the other 561 models. | voltage of -3300 V, like the other 561 models. | ||
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==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
File:Tek 561b 1.JPG|561B | File:Tek 561b 1.JPG|561B | ||
File:Tek 561b 2.JPG|561B | File:Tek 561b 2.JPG|561B | ||
File:Tek 561b 3.JPG|561B | File:Tek 561b 3.JPG|561B | ||
File:Tek 561b 4.JPG|561B | File:Tek 561b 4.JPG|561B | ||
File:Tek rm561.jpg |Tek RM561 with two [[75|Type 75]] (3A75) amplifier plugins | |||
File:RM561A.JPG|Tek RM561A with [[3A74]] and [[2B67]] plugins | |||
File:Tek 561s.jpg|Tek 561S | |||
File:Tek 3a1s 3b1s.jpg| [[3A1S]] and [[3B1S]] plugins | |||
</gallery> | </gallery> | ||
[[Category:560 series scopes]] | [[Category:560 series scopes]] | ||