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The Tektronix 504 is a monolithic oscilloscope with a bandwidth of 450kHz [[introduced in 1960]]. It was introduced at the same time as the [[503]], and is mechanically and electrically identical, other than the vertical amplifier.  The 503 incorporates two identical phase matched amplifiers with true differential inputs to support X-Y operation, whereas the 504 contains a simple ground referenced vertical amplifier.  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.
{{Oscilloscope Sidebar
|manufacturer=Tektronix
|series=
|model=504
|summary=450 kHz scope
|image=Tek 504.JPG
|caption=Tektronix 504
|introduced=1960
|discontinued=1973
|designers=
|manuals=
* [[Media:070-224.pdf|Tektronix 504 Instruction Manual]]
}}
The '''Tektronix 504''' is a monolithic oscilloscope with a bandwidth of 450 kHz [[introduced in 1960]].  


Both scopes use the same CRTs.  The CRT circuit uses a single [[5642]] to generate the -3000V cathode voltage. 
It was introduced at the same time as the [[503]], and is mechanically and electrically identical apart from the vertical amplifier.
There is no post-deflection acceleration.
Triggering is done using a multivibrator made of a [[6DJ8]] tube. 
The vertical signal path has a [[6DJ8]] first stage,  
a BJT second stage, followed by the the output stage.
The vertical and horizontal output stages uses pairs of [[6CB6]] tubes.


The 504 was also offered in a rack mount version, the RM504.
The 504 was also offered in a rack mount version, the RM504.
.


* [http://bama.edebris.com/download/tek/504/tek%20504.v6.pdf Tektronix 504 Manual (PDF)]
{{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==
The 503 incorporates two identical phase matched amplifiers with true differential inputs to support X-Y operation,
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.
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 and horizontal output stages use pairs of [[6CB6]] tubes.
The CRT circuit uses a single [[5642]] to generate the –3 kV cathode voltage. 
==Pictures==
'''504'''
<gallery>
<gallery>
Image:Tek-504.jpg
Tek 504.JPG
Image:Tek-504-front.jpg
Tek-504.jpg
Image:Tek-504-right.jpg
Tek-504-front.jpg
Image:Tek-504-left.jpg
Tek-504-right.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]]

Latest revision as of 03:14, 18 September 2024

Tektronix 504
450 kHz scope
Tektronix 504

Produced from 1960 to 1973

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix 504 is a monolithic oscilloscope with a bandwidth of 450 kHz introduced in 1960.

It was introduced at the same time as the 503, and is mechanically and electrically identical apart from the vertical amplifier.

The 504 was also offered in a rack mount version, the RM504.

Key Specifications

Bandwidth DC to 450 kHz
Deflection 5 mV/div to 20 V/div, 1–2–5, and 2.5:1 variable
Inputs 1 MΩ // 47 pF; max. 350 V (DC + peak AC)
Sweep 1 μs/div to 500 ms/div, 1−2−5, variable 2.5:1, magnifier ×2, ×5, ×10, ×20, ×50
Trigger Internal, 0.5 div; external 0.5 V
CRT T5030, 3 kV (no post-deflection acceleration), P2 phosphor standard

Links

Documents Referencing 504

(no results)

Documents Referencing RM504

(no results)

Internals

The 503 incorporates two identical phase matched amplifiers with true differential inputs to support X-Y operation, 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.

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 and horizontal output stages use pairs of 6CB6 tubes.

The CRT circuit uses a single 5642 to generate the –3 kV cathode voltage.

Pictures

504

RM504

Components

Some Parts Used in the 504

Part Part Number(s) Class Description Used in
5642 154-0051-00 • 154-0079-00 Vacuum Tube (Diode) directly-heated high-voltage rectifier 310 • 310A • 316 • 317 • 360 • 453 • 502 • 502A • 503 • 504 • 506 • 513 • 515 • 516 • 524 • 529 • RM529 • 533 • 533A • 535 • 536 • 543 • 543A • 543B • 545 • 545A • 545B • 547 • 551 • 555 • 556 • 560 • 561 • 561A • 561S • 564 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 647 • 647A
5651 154-052 • 154-0052-00 • 154-0288-00 Gas Discharge Tube (Voltage regulator) 87 V voltage reference 128 • 160 • 310 • 310A • 502 • 503 • 504 • 511A • 512 • 516 • 517 • 524 • 526 • 531 • 531A • 535 • 536 • 541 • 541A • 543 • 543A • 543B • 545 • 545A • 545B • 570 • 549 • 581 • 581A • 585 • 585A
6BC7 154-0232-00 Vacuum Tube (Diode) triple diode 503 • 504 • 565 • 67 • 2B67
6BL8 154-0278-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 67 • 2B67 • 3B1 • 3B1S • 3B2 • 3B3 • 3B4 • 503 • 504 • 506 • 516 • 549 • 561 • 561A • 561S • 564 • 565 • 567 • Telequipment D52 • Telequipment D56 • Telequipment S31 • Telequipment S32 • Telequipment S32A • Telequipment S51 • Telequipment S52
6CB6A 154-0030-00 Vacuum Tube (Pentode) pentode 105 • 112 • 316 • 317 • 503 • 504 • 513 • 517 • 517A • 541 • 535 • 545 • 63 • 2A63
6DJ8 154-0187-00 • 154-0305-00 Vacuum Tube (Dual Triode) dual triode 067-506 • 111 • 132 • 161 • 310A • 316 • 317 • 502 • 502A • 503 • 504 • 506 • 515 • 516 • 519 • 526 • 529 • RM529 • 533 • 535 • 536 • 543 • 544 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 556 • 561A • 561S • 564 • 565 • 567 • 581 • 581A • 585 • 585A • 661 • 1A4 • 1S1 • 60 • 2A60 • 63 • 2A63 • 67 • 2B67 • 3A1 • 3A1S • 3A2 • 3A3 • 3A6 • 3A7 • 72 • 3A72 • 75 • 3A75 • 4S2 • 51 • 3B1 • 3B1S • 3B2 • 3B3 • 3B4 • 3M1 • 3S76 • 3T77 • 3T77A • 9A1 • 9A2 • 1121 • 80 • 81 • 82 • 86 • B • O • W • Z • Telequipment D56 • Telequipment S32A • Telequipment D52 • S-311 • Telequipment TD51 • Telequipment S52 • Telequipment S51 • Telequipment Type A • TU-4
6DQ6 154-0277-00 Vacuum Tube (Pentode) power pentode 503 • 504
T5030 154-0264-00 • 154-0265-00 • 154-0266-00 • 154-0267-00 • 154-0341-00 CRT CRT 503 • 504 • 560 • 561 • 661


Some Parts Used in the RM504

(no results)
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