545: Difference between revisions

117 bytes added ,  5 July 2012
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Types 545 and 545A have a  
Types 545 and 545A have a  
six stage differential distributed vertical amplifier  
six stage differential [[distributed amplifier|distributed vertical amplifier]]
made of twelve [[6DK6]] tubes.   
made of twelve [[6DK6]] tubes.   
The vertical amplifier used in the 545A is also used in the [[551]] and [[555]].
The vertical amplifier used in the 545A is also used in the [[551]] and [[555]].
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The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.
The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.
NPN transistors are used in the in the 545B trigger circuit.
NPN transistors are used in the 545B trigger circuit.


Some feel that Type 547 replaced Type 545, but this is not quite true;
Some feel that Type 547 replaced Type 545, but this is not quite true;
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(The Type 544 is likewise the upgrade for the 541.)
(The Type 544 is likewise the upgrade for the 541.)


The Type 53[[K]]/54K plug-in was introduced with the 545 and 541,  
The Type [[K|53K/54K]] plug-in was introduced with the 545 and 541,  
and until Type [[L|53/54L]] came out in 1957,  
and until Type [[L|53/54L]] came out in 1957,  
it was the only plug-in that could take full advantage of their bandwidth.
it was the only plug-in that could take full advantage of their bandwidth.
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* [http://bama.edebris.com/download/tek/545b/545b.djvu Tektronix 545B Manual (PDF)]
* [http://bama.edebris.com/download/tek/545b/545b.djvu Tektronix 545B Manual (PDF)]
* [http://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook (PDF)]
* [http://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook (PDF)]
* [http://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier (PDF)]


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