514: Difference between revisions
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caption=Tektronix 514 front | | caption=Tektronix 514 front | | ||
introduced=1949 | | introduced=1949 | | ||
discontinued= | discontinued=1956 | | ||
manuals= | manuals= | ||
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Throughout its production run, a 'D' variant was available (514D, with the 'D' being stamped in by hand on some models) which has a 24-section 250 ns lumped L-C [[delay line]]. | Throughout its production run, a 'D' variant was available (514D, with the 'D' being stamped in by hand on some models) which has a 24-section 250 ns lumped L-C [[delay line]]. | ||
There was also an 'A' version (514-A & 514-AD respectively), which appears to have been available in 1954. | There was also an 'A' version (514-A & 514-AD respectively), which appears to have been available in 1954. | ||
''(There were also some models marked 'Series A', which may have been a predecessor to the 514A? how does the 514AD differ from the 514D?)'' | |||
It has no [[thermal cutoff]]. | It has no [[thermal cutoff]]. | ||