545: Difference between revisions

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The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]].  It has two timebases, which allows delayed triggering.   
The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]].  It has two timebases, which allows delayed triggering.   


Type 545 was [[introduced in 1955|introduced February 7th, 1955]] along with the Type [[541]], and superseded in 1959 by the Type 545A, which was in turn superseded in 1964 by the Type 545B, which was produced until 1973.  
Type 545 was [[introduced in 1955|introduced February 7th, 1955]] along with the Type [[541]], and superseded in 1959 by the Type 545A,  
which was in turn superseded in 1964 by the Type 545B, which was produced until 1973.  


The difference between the 545A and 545 is the control ergonomics, not any major circuit design changes.   
The difference between the 545A and 545 is the control ergonomics, not any major circuit design changes.   
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== Versions ==
== Versions ==
There were also rack-mount versions.  Types RM41 and RM45 were introduced in October 1957]],
There were also rack-mount versions.  Types RM41 and RM45 were [[introduced in October 1957]],
Types RM41A and RM45A were [[introduced in 1959|introduced in May 1959]] simultaneously with their bench counterparts, and the rackmount Type RM545B or R545B was introduced at the same time as Type 545B.
Types RM41A and RM45A were [[introduced in 1959|introduced in May 1959]] simultaneously with their bench counterparts,  
and the rackmount Type RM545B or R545B was introduced at the same time as Type 545B.


Clones of the 545A are the [[Lavoie LA-265A]] and [[Hickok 1805A]].  These clones were not licensed by Tektronix.
Clones of the 545A are the [[Lavoie LA-265A]] and [[Hickok 1805A]].  These clones were not licensed by Tektronix.

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