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Difference between revisions of "4S3"

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gates but not amplifiers.  The front-end amplifier is therefore in the 4S3, and is composed of
 
gates but not amplifiers.  The front-end amplifier is therefore in the 4S3, and is composed of
 
a [[7308]] tube (premium 6DJ8) with its two triodes connected in a common-cathode cascode topology.
 
a [[7308]] tube (premium 6DJ8) with its two triodes connected in a common-cathode cascode topology.
 
  
 
* [http://w140.com/tek_4s3.pdf Tektronix 4S3 Manual (PDF)]
 
* [http://w140.com/tek_4s3.pdf Tektronix 4S3 Manual (PDF)]
  
 
<gallery>
 
<gallery>
Image:Tek 4s1 63cat.jpg|In 1963 Catalog
+
Image:Tek 4s3 63cat.jpg|In 1963 Catalog
 
</gallery>
 
</gallery>

Revision as of 19:30, 19 January 2012

The Tektronix Type 4S3 is a 1GHz dual-trace vertical sampling plug-in for the 661 oscilloscope. It uses two P6038 sampling probes. The probes contain sampling gates but not amplifiers. The front-end amplifier is therefore in the 4S3, and is composed of a 7308 tube (premium 6DJ8) with its two triodes connected in a common-cathode cascode topology.