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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= | |||
* [[Media:070-224.pdf|Tektronix 504 Instruction Manual]] | |||
}} | }} | ||
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 apart from the vertical amplifier. | ||
and is mechanically and electrically identical | |||
The 504 was also offered in a rack mount version, the RM504. | The 504 was also offered in a rack mount version, the RM504. | ||
== | {{BeginSpecs}} | ||
[[ | {{Spec | Bandwidth | DC to 450 kHz }} | ||
{{Spec | Deflection | 5 mV/div to 20 V/div, 1–2–5, and 2.5:1 variable }} | |||
{{Spec | Inputs | 1 MΩ // 47 pF; max. 350 V (DC + peak AC) }} | |||
{{Spec | Sweep | 1 μs/div to 500 ms/div, 1−2−5, variable 2.5:1, magnifier ×2, ×5, ×10, ×20, ×50 }} | |||
{{Spec | Trigger | Internal, 0.5 div; external 0.5 V }} | |||
{{Spec | CRT | [[T5030]], 3 kV (no post-deflection acceleration), P2 [[phosphor]] standard }} | |||
{{EndSpecs}} | |||
==Links== | |||
* [http://www.museum-nt.de/objekte/tek_rm504.html Tektronix RM504] @ museum-nt.de | |||
* [https://www.radiomuseum.org/r/tektronix_oscilloscope_rm504rm_50.html] @ radiomuseum.org | |||
{{Documents|Link=504}} | |||
{{Documents|Link=RM504}} | |||
{{PatentLinks|504}} | |||
{{PatentLinks|RM504}} | |||
==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 the need to keep the selling price low, neither the 503 or 504 include delay lines in the vertical signal path. | ||
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. | |||
The | The trigger circuit is a multivibrator made of a [[6DJ8]] tube. | ||
The vertical signal path has a [[6DJ8]] first stage, a BJT second stage, followed by the output stage. | |||
The vertical signal path has a [[6DJ8]] first 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. | ||
The CRT circuit uses a single [[5642]] to generate the –3 kV cathode voltage. | |||
==Pictures== | ==Pictures== | ||
'''504''' | |||
<gallery> | <gallery> | ||
Tek 504.JPG | Tek 504.JPG | ||
| Line 44: | Line 55: | ||
Tek-504-right.jpg | Tek-504-right.jpg | ||
Tek-504-left.jpg | Tek-504-left.jpg | ||
</gallery> | </gallery> | ||
'''RM504''' | |||
<gallery> | |||
Rm504 white.jpg | |||
Tek rm504 trace.jpg | |||
Tek rm504 internal1.jpg | |||
Tek rm504 internal2.jpg | |||
</gallery> | |||
==Components== | |||
{{Parts|504}} | |||
{{Parts|RM504}} | |||
[[Category:Monolithic tube scopes]] | [[Category:Monolithic tube scopes]] | ||