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221: Difference between revisions
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drives the top deflection plate and the other drives the bottom plate. | drives the top deflection plate and the other drives the bottom plate. | ||
MOD 290A is found on a version made for IBM, which adds a Single Sweep function, and a "Property of IBM" engraving. | |||
==Pictures== | ==Pictures== | ||
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221-2.jpg|221 on top of 565 | 221-2.jpg|221 on top of 565 | ||
Tek 221 trace2.jpg | Tek 221 trace2.jpg | ||
221 IBM Version.jpg|IBM | 221 IBM Version.jpg| MOD 290A variant for IBM | ||
221 Single_Sweep.jpg| | 221 Single_Sweep.jpg| MOD 290A variant for IBM | ||
</gallery> | </gallery> | ||
[[Category:200 series scopes]] | [[Category:200 series scopes]] | ||