2221: Difference between revisions

384 bytes added ,  5 October 2023
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* TV line and field trigger
* TV line and field trigger
* Variable holdoff  
* Variable holdoff  
* GPIB or RS232 optional
}}
{{Spec | Options |
* Opt.10 – GPIB (board 671-0304-00)
* Opt.12 – RS232 (board 671-0303-00)
}}
}}
{{EndSpecs}}
{{EndSpecs}}
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==Internals==
==Internals==
The 2230 is controlled by an [[Intel 8088]] microprocessor with firmware in a pair of 27512 EPROMs, and six TMS4426 16K×4 DRAMs. 
The A/D converter is a [[156-2248-00|Sony CX20052A]] (8 bit, 20 MHz, ECL output).  A pair of MCM2016H 2K×8, 70 ns RAMs serve as acquisition memory.
Custom Tek chips used include [[155-0274-00]] (A1U130, A1U180), [[155-0273-00]] (A2U30, A2U80), and [[155-0022-00]] (A10U2101).  There is also a semi-custom part (A10U9208 Display Controller, 156-2452-00).
Custom Tek chips used include [[155-0274-00]] (A1U130, A1U180), [[155-0273-00]] (A2U30, A2U80), and [[155-0022-00]] (A10U2101).  There is also a semi-custom part (A10U9208 Display Controller, 156-2452-00).


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</gallery>
</gallery>


{{Custom ICs|2221}}
==Components==
{{Parts|2221}}
{{Parts|2221A}}


[[Category:2200 series scopes]]
[[Category:2200 series scopes]]