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504: Difference between revisions
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{{Oscilloscope Sidebar | | {{Oscilloscope Sidebar | ||
|manufacturer=Tektronix | |||
summary=450 kHz scope | | |series= | ||
image=Tek 504.JPG | | |model=504 | ||
caption=Tektronix 504 | | |summary=450 kHz scope | ||
introduced=1960 | | |image=Tek 504.JPG | ||
discontinued=1973 | | |caption=Tektronix 504 | ||
manuals= | |introduced=1960 | ||
|discontinued=1973 | |||
|designers= | |||
|manuals= | |||
* [http://bama.edebris.com/download/tek/504/tek%20504.v6.pdf Tektronix 504 Manual (PDF)] | * [http://bama.edebris.com/download/tek/504/tek%20504.v6.pdf Tektronix 504 Manual (PDF)] | ||
}} | }} | ||
The '''Tektronix 504''' is a monolithic oscilloscope | The '''Tektronix 504''' is a monolithic oscilloscope with a bandwidth of 450 kHz [[introduced in 1960]]. | ||
with a bandwidth of 450 kHz [[introduced in 1960]]. | |||
It was introduced at the same time as the [[503]], | It was introduced at the same time as the [[503]], and is mechanically and electrically identical, other than the vertical amplifier. | ||
and is mechanically and electrically identical, | |||
other than the vertical amplifier. | |||
The 504 was also offered in a rack mount version, the RM504. | The 504 was also offered in a rack mount version, the RM504. | ||
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==Internals== | ==Internals== | ||
The 503 incorporates two identical phase matched amplifiers | The 503 incorporates two identical phase matched amplifiers with true differential inputs to support X-Y operation, | ||
with true differential inputs to support X-Y operation, | |||
whereas the 504 contains a simple ground referenced vertical amplifier. | whereas the 504 contains a simple ground referenced vertical amplifier. | ||
Due to the low bandwidth and need to keep the selling price low, | Due to the low bandwidth and need to keep the selling price low, neither the 503 or 504 include delay lines in the vertical signal path. | ||
neither the 503 or 504 include delay lines in the vertical signal path. | |||
Both scopes use the same CRTs, the [[T5030]]. | Both scopes use the same CRTs, the [[T5030]]. | ||
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Triggering is done using a multivibrator made of a [[6DJ8]] tube. | Triggering is done using a multivibrator made of a [[6DJ8]] tube. | ||
The vertical signal path has a [[6DJ8]] first stage, | The vertical signal path has a [[6DJ8]] first stage, a BJT second stage, followed by the output stage. | ||
a BJT second stage, followed by the output stage. | |||
The vertical and horizontal output stages use pairs of [[6CB6]] tubes. | The vertical and horizontal output stages use pairs of [[6CB6]] tubes. | ||