514: Difference between revisions

514 (view source)

161 bytes added , 24 January 2016

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 caption=Tektronix 514 front |
 introduced=1949 |
-discontinued=(?) |
+discontinued=1954  |
 manuals=
 * [http://bama.edebris.com/download/tek/514d/Tek%20514D%20Series%20A%20Manual.pdf Tektronix 514D Manual (PDF)]
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 The +225 V supply uses three [[5V4G]] rectifier tubes in parallel.
-A 514D model exists, which has a 24-section 250 ns lumped L-C [[delay line]].
+Throughout it's run, a 'D' variant was available (514D, with the 'D' being stamped in by hand) which has a 24-section 250 ns lumped L-C [[delay line]].
-There is also a 514AD.  ''(How does the 514AD differ from the 514D?)''
+There was also an 'A' version (514-A & 514-AD respectively), which appears to have been available in 1954.  ''(How does the 514AD differ from the 514D?)''
 It has no [[thermal cutoff]].