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221: Difference between revisions
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that drives the CRT plates is two opamps made from discrete transistors. One | that drives the CRT plates is two opamps made from discrete transistors. One | ||
drives the top deflection plate and the other drives the bottom plate. | drives the top deflection plate and the other drives the bottom plate. | ||
A version made for IBM has a single-sweep function not found on the standard 221. | |||
==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 | ||
IBM Variant|221_IBM_Version.jpg | |||
Single Sweep|Option 221_Single_Sweep.jpg | |||
</gallery> | </gallery> | ||
[[Category:200 series scopes]] | [[Category:200 series scopes]] | ||