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The Type W is a plug-in amplifier for 500-series scopes.  Has a built in precision variable voltage supply, "Vc".  The Type W has two signal inputs, "A" and "B".  A mode switch selects between displaying A-Vc, A-B, or Vc-B.  The "A-B" mode is particularly useful for displaying the current in a sense resistor, while the other modes provide "slideback" measurements of small variations superimposed on a large constant.  An output of Vc is provided on the front panel of the Type W.  In the letter-series timeline of diffential amps, the W follows the Z and precedes the 1A5.
The Type W is a plug-in amplifier for [[500-series]] scopes.  Has a built in precision variable voltage supply, "Vc".   
The Type W has two signal inputs, "A" and "B".  A mode switch selects between displaying A-Vc, A-B, or Vc-B.   
The "A-B" mode is particularly useful for displaying the current in a sense resistor,  
while the other modes provide "slideback" measurements of small variations superimposed on a large constant.   
An output of Vc is provided on the front panel of the Type W.   
In the letter-series timeline of differential amps, the W follows the [[Z]] and precedes the [[1A5]].


* http://bama.edebris.com/manuals/tek/w/
* http://bama.edebris.com/manuals/tek/w/

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