561: Difference between revisions

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===561B===
===561B===
The 561B / RM561B were [[introduced in 1969]].
The 561B / RM561B were [[introduced in 1969]].
The B models actually provided no performance improvements over the 561A,  
The 561B uses the same [[560-series plug-ins]] used by the 561A.
The 561B models actually provided no performance improvements over the 561A,  
with the change being limited to all solid state design, including the HV rectifiers.   
with the change being limited to all solid state design, including the HV rectifiers.   
While this improves reliability of the mainframe, no all solid state plug-ins were ever designed. 
While this change improves reliability of the mainframe,  
The 561B uses the same 2 and 3 series plug-ins used by the 561A.
Tektronix never produced fully solid state amplifier or non-sampling timebase plug-ins for the 560 Series.


===561S===
===561S===

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