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image=Tek 221 1.jpg | | image=Tek 221 1.jpg | | ||
caption=Tektronix 221 | | caption=Tektronix 221 | | ||
introduced=1973 | | |||
discontinued=(?) | | |||
manuals= | manuals= | ||
* [http://w140.com/mmm/tek-221.pdf Tektronix 221 Manual (PDF)] | * [http://w140.com/mmm/tek-221.pdf Tektronix 221 Manual (PDF)] | ||
}} | }} | ||
The Tektronix Type 221 is a miniature 5 MHz analog scope [[introduced in 1973]]. | The '''Tektronix Type 221''' is a miniature 5 MHz analog scope [[introduced in 1973]]. | ||
It has a switching power supply and built-in rechargeable batteries (which are | It has a switching power supply and built-in rechargeable batteries (which are | ||
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==Specifications== | ==Specifications== | ||
''please add'' | |||
==Pictures== | ==Pictures== | ||