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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar
title=Tektronix 543 |
|manufacturer=Tektronix
summary=30 MHz scope |
|series=500-series scopes
image=Tek 543 front.jpg |
|model=543
caption=Tektronix 543 front |
|summary=30 MHz oscilloscope
introduced=1958 |
|image=Tek 543 front.jpg
discontinued=1972 |
|caption=Tektronix 543 front
manuals=
|introduced=1958
* [http://bama.edebris.com/download/tek/543/Tek%20543.pdf Tektronix 543 Manual (PDF)]
|discontinued=1973
* [http://w140.com/tek_543b.pdf Tektronix 543B Manual (PDF)]
|designers=Bob Shand;
* [http://w140.com/tek_fcp/tek_543_fac_cal.pdf Tektronix 543 Factory Calibration Manual (PDF)]
|manuals=
* [http://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier (PDF)]
'''543'''
* [http://w140.com/tek_fcp/tek_adjust_540_vert_delay.pdf How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope (PDF)]
* [[Media:070-260.pdf|Tektronix 543 Manual]]
* <small>[https://bama.edebris.com/download/tek/543/Tek%20543.pdf Alternate copy @ BAMA]</small>
'''543A'''
* [[Media:070-0260-01.pdf|Tektronix 543A Manual]]
'''543B'''
* [[Media:070-429.pdf|Tektronix 543B Manual]] (OCR) <!-- re-OCRed from https://w140.com/tek_543b.pdf -->
* ''[[Media:070-437.pdf|070-0437-00 RM543B manual needed]]''
* [[Media:Tek 543b fcp sep 1967.pdf|Tektronix 543B Factory Calibration Guide, September 1967]]
'''Calibration etc.'''
* [[Media:tek_adjust_540_vertical.pdf|How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope]] (OCR)
* [[Media:tek_543_fcp.pdf|Tektronix 543 Factory Calibration Manual]] (OCR)
* [[Media:tek_balancing_545_vertical.pdf|Balancing the 540-Series Vertical Amplifier]] (OCR)
* [[Media:Tek 543 cal procedure.pdf]]
}}
}}
The '''Tektronix Type 543''' (rack mount '''RM43''') is an all-tube 30 MHz scope [[introduced in 1958]].  It takes
The '''Tektronix Type 543''' (rack mount '''RM43''') is an all-tube 30 MHz scope [[introduced in 1958]].
[[letter-series and 1-series plug-ins]].  It is similar to a [[545]], but without the second, delayed timebase. Instead, it has a range of horizontal magnifiers from ×2 to ×100.  It has the same six-stage balanced [[distributed amplifier]] (twelve [[6DK6]] tubes) as the 545.


While the 545 has two non-calibrated X-input sensitivities, the 543 has
It takes [[letter-series and 1-series plug-ins]].
an X-input with three calibrated selectable deflection sensitivities: 0.1 V/cm, 1 V/cm, and
10 V/cm.


It is similar to a [[545]], but without the second, delayed timebase. Instead, it has a range of horizontal magnifiers from ×2 to ×100. 
While the 545 has two non-calibrated X-input sensitivities, the 543 has an X input with calibrated deflection sensitivity of 0.1 V/cm, 1 V/cm, or 10 V/cm.
{{BeginSpecs}}
{{SpecGroup | 543}}
{{Spec | Bandwidth | DC to 30 MHz (≤ 3 dB) with [[K|Type K plug-in]]  }}
{{Spec | Rise time | 0.012 μs }}
{{Spec | Screen Area | 4 cm × 10 cm}}
{{SpecGroup | 543B}}
{{Spec | Bandwidth | DC to 33 MHz (≤ 3 dB) with [[1A1|Type 1A1 plug-in]]  }}
{{Spec | Rise time | 0.010 μs }}
{{Spec | Screen Area | 6 cm × 10 cm}}
{{SpecGroup | all}}
{{Spec | Line Voltage | 108/115/122/216/230/244 V<sub>AC</sub> ±10%, selected via primary voltage selector and voltage range selector switches, 50 Hz to 60 Hz }}
{{Spec | Thermal Protection | Automatic resetting thermal cutout, in case internal temperature exceeds safe operating level }}
{{Spec | Power Consumption | 530 W with [[CA|Type CA plug-in]] }}
{{Spec | Cooling  | AC Fan }}
{{Spec | Trigger Modes | AC/DC/AC LF Reject, and HF Sync}}
{{Spec | Anode Potential | 10 kV}}
{{Spec | Construction  | Aluminum alloy chassis. Anodized front panel}}
{{Spec | Weight| 27.8 kg (61.5 lbs) }}
{{EndSpecs}}
==Internals==
The '''543''' has the same six-stage balanced [[distributed amplifier]] (twelve [[6DK6]] tubes) as the 545,
driving a lumped L/C delay line just before the deflection plates.
Total acceleration voltage on the CRT is 10 kV. The CRT power supply uses five [[5642]] HV tube diodes.
The standard CRT for the 543 is the [[T65]] with P2 [[phosphor]], part number 154-175.
The standard CRT for the 543 is the [[T65]] with P2 [[phosphor]], part number 154-175.
The standard CRT for the 543B is part number [[154-0478-00]], also known as the T5470-31-2.


The total acceleration voltage on the CRT is 10 kV.
The '''543B''' is a tube/transistor hybrid scope.
The CRT power supply uses five [[5642]] HV tube diodes.
The vertical amplifier has a [[6DJ8]] cathode follower stage followed by
two transistor/tube cascode stages with a 186 Ω [[delay line]] in-between.
The standard CRT for the 543B is part number [[154-0478-00]],
also known as the [[T5470]]-31-2.
There is a rackmount version, Type RM543B.


543B is a hybrid and vertical delay line have no 6DK6 and LC but 186 ohms [[delay line]].
''Question: Does a model 543A exist?'' Yes, but 543A specification  are needed.


==Specifications==
==Pictures==
===543===


[[Category:Specifications needed]] ''please add''
<gallery>
Tek 543 with d.jpg    | 543 with [[D|D Plugin]]
Tek 543 front.jpg    | 543 front view
Tek 543 top2.jpg      | 543 top
Tek 543 right.jpg    | 543 right
Tek 543 top.jpg      | 543 top
Tek 543 left.jpg      | 543 left
Tek 543 rear.jpg      | 543 rear
Tek-543 block.png    | 543 Block Diagram
Tek-543 horizontal amp.png|543 Horizontal Amplifier
Tek-543 vertamp.png  |543 Vertical Amplifier
Tek-543 trigger.png  |543 Trigger
Tek-543 timebase gen.png|543 Timebase
Tek-543 delay.png    |543 Delay Line
Tek-543 crt circuit.png|543 CRT Circuit
Tek-543 lvps.png      |543 Low-Voltage Power Supply
Tek-543 calibrator.png|543 Calibrator
</gallery>


==Pictures==
===543A===
<gallery>
Tek 543A front.jpg | front view of 543A
Tek 543A left.jpg | Internal left side of 543A
Tek 543A right.jpg | Internal right side of 543A
Tek 543A top.jpg | Internel top of 543A
Tek 543A trims.jpg | Internal trim pots on top of 543A
</gallery>


===543B===
<gallery>
<gallery>
File:Tek 543 front.jpg|543
Tek 543b with bnc ca.jpg|543B with [[CA]]
Tek 543b with bnc ca.jpg|543B with [[CA]]
File:Tek 543 top2.jpg|543
Tek_543b.jpg|543B
File:Tek 543 right.jpg|543
Tek 543 b 2.jpg|543B
File:Tek 543 top.jpg|543
</gallery>
File:Tek 543 left.jpg|543
 
File:Tek 543 rear.jpg|543
===RM543B===
Image:RM543B_1.JPG|RM543B
<gallery>
Image:RM543B_2.JPG|RM543B side
RM543B_1.JPG|RM543B
File:Tek_543b.jpg|543B
RM543B_2.JPG|RM543B side
File:Tek 543 b 2.jpg|543B
File:Tek-543 block.png|543 Block Diagram
File:Tek-543 horizontal amp.png|543 Horizontal Amplifier
File:Tek-543 vertamp.png|543 Vertical Amplifier
File:Tek-543 trigger.png|543 Trigger
File:Tek-543 timebase gen.png|543 Timebase
File:Tek-543 delay.png|543 Delay Line
File:Tek-543 crt circuit.png|543 CRT Circuit
File:Tek-543 lvps.png|543 Low-Voltage Power Supply
File:Tek-543 calibrator.png|543 Calibrator
</gallery>
</gallery>
==Components==
{{Parts|543}}
{{Parts|543A}}
{{Parts|543B}}
{{Parts|RM43}}
{{Parts|RM543B}}




[[Category:500 series scopes]]
[[Category:500 series scopes]]
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