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{{Oscilloscope Sidebar |manufacturer=Tektronix | | {{Oscilloscope Sidebar | ||
series=500-series scopes | | |manufacturer=Tektronix | ||
model= 533 | | |series=500-series scopes | ||
summary=15 MHz scope | | |model=533 | ||
image=Wellenkino 533a.jpg | | |summary=15 MHz scope | ||
caption=Tektronix 533A front | | |image=Wellenkino 533a.jpg | ||
introduced=1958 | | |caption=Tektronix 533A front | ||
discontinued=1973 | | |introduced=1958 | ||
|discontinued=1973 | |||
|designers= | |||
manuals= | manuals= | ||
* [[Media:070-0258-00.pdf|533/533A Instruction]] (OCR PDF, 30M) | * [[Media:070-0258-00.pdf|533/533A Instruction]] (OCR PDF, 30M) | ||
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* [[Media:Tek 533a fcp sep 1966.pdf|533A Factory Calibration Procedure, September 1966]] | * [[Media:Tek 533a fcp sep 1966.pdf|533A Factory Calibration Procedure, September 1966]] | ||
}} | }} | ||
The '''Tektronix Type 533''' is a 15 MHz oscilloscope [[introduced in 1958]] | The '''Tektronix Type 533''' is a 15 MHz oscilloscope [[introduced in 1958]] that uses [[letter-series and 1-series plug-ins]]. | ||
that uses [[letter-series and 1-series plug-ins]]. | |||
It is similar to a [[535]], but without the second, delayed timebase. | It is similar to a [[535]], but without the second, delayed timebase. | ||
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Later 533A have [[BNC connector]]s. | Later 533A have [[BNC connector]]s. | ||
The standard CRT for the 533 and 533A is the [[T5330|T5330-2]]. | The standard CRT for the 533 and 533A is the [[T5330|T5330-2]]. | ||
The difference between the 533 and 533A is only the trigger mode. | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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{{Spec | Weight| 61.5 lbs / 27.8 kg }} | {{Spec | Weight| 61.5 lbs / 27.8 kg }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Internals== | ==Internals== | ||
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Trigger pickoff is taken after the cathode follower stage in the vertical amplifier. | Trigger pickoff is taken after the cathode follower stage in the vertical amplifier. | ||
There is a 6DJ8 differential trigger pickoff amplifier followed by half of a 6DJ8 a | There is a 6DJ8 differential trigger pickoff amplifier followed by half of a 6DJ8 a cathode follower, buffering the trigger signal. | ||
cathode follower, buffering the trigger signal. | |||
The trigger circuit is a [[6DJ8]] trigger amplifier followed by a 6DJ8 Schmitt trigger. | The trigger circuit is a [[6DJ8]] trigger amplifier followed by a 6DJ8 Schmitt trigger. | ||
Triggering can be from the internal pickoff or from an external signal or "line" trigger | Triggering can be from the internal pickoff or from an external signal, or "line" trigger via a 6.3 V tap on the power transformer. | ||
The 533 contains a 53 °C (128 °F) [[thermal cutoff]]. | The 533 contains a 53 °C (128 °F) [[thermal cutoff]]. | ||
The high voltages for the CRT, +8,650 V and −1,350 V, are generated by a 60 kHz Hartley power oscillator | The high voltages for the CRT, +8,650 V and −1,350 V, are generated by a 60 kHz Hartley power oscillator and five [[5642]] high-voltage rectifier diode tubes. | ||
and five [[5642]] high-voltage rectifier diode tubes. | |||
==Pictures== | ==Pictures== | ||
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</gallery> | </gallery> | ||
{{Parts|533}} | |||
{{Parts|533A}} | |||
[[Category:500 series scopes]] | [[Category:500 series scopes]] | ||