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The Type 535 is a 10MHz* oscilloscope that accepts [[letter-series and 1-series plug-ins]].
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{{Oscilloscope Sidebar |
 +
title=Tektronix 535 |
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summary=10 (15) MHz dual-timebase scope |
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image=Tek-535a-crop.jpg |
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caption=Tektronix 535A front |
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introduced=1954 |
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discontinued=1973 |
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manuals=
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* [http://exodus.poly.edu/~kurt/mmm/tek-535.pdf Tektronix 535 Manual (66 MB, PDF)]
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* [http://exodus.poly.edu/~kurt/mmm/tek-535a.pdf Tektronix 535A Manual (114 MB, PDF)]
 +
 
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* [[Media:tek_535a_manual.pdf|Tektronix 535A Manual (20 MB, PDF, OCR, bad-OCR)]]
 +
* [http://w140.com/tek_535a_compact.pdf Tektronix 535A Manual (20 MB, PDF)]
 +
 
 +
<!-- * [http://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook (PDF)] -->
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* [[Media:tek_type_535_545_operators_handbook.pdf|Tektronix 535 and 545 Operators Handbook (PDF, OCR)]]
 +
 
 +
* [[Media:tek_type_535_modification_summary.pdf|Tektronix 535 Modification Summary (PDF, OCR, bad-OCR)]]
 +
* [http://w140.com/tek_535_modification_summary.pdf Tektronix 535 Modification Summary (PDF)]
 +
 
 +
<!-- * [http://w140.com/navair_17-20aw-08.pdf Navair 17-20AW-08 Manual, which discusses the 535 (PDF)] -->
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* [[Media:navair_17-20aw-08_manual.pdf|Navair 17-20AW-08 Manual, which discusses the 535 (PDF, OCR)]]
 +
 
 +
<!-- * [http://w140.com/tek_fcp/tek_type_535_early_factory_cal_proc.pdf Tektronix 535 Factory Calibration Guide low-sn (PDF)] -->
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* [[Media:tek_type_535_fcp_low-sn.pdf|Tektronix 535 Factory Calibration Guide low-sn (PDF, OCR)]]
 +
 
 +
<!-- * [http://w140.com/tek_fcp/tek_type_535_late_factory_cal_proc.pdf Tektronix 535 Factory Calibration Guide high-sn (PDF)] -->
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* [[Media:tek_type_535_fcp_high-sn.pdf|Tektronix 535 Factory Calibration Guide high-sn (PDF, OCR)]]
 +
 
 +
* [[Media:tek_type_535a_fcp.pdf|Tektronix 535A Factory Calibration Guide (PDF, OCR)]]
 +
<!-- * [http://w140.com/tek_fcp/tek_type_535a_factory_cal_proc.pdf Tektronix 535A Factory Calibration Guide (PDF)] -->
 +
}}
 +
 
 +
The '''Tektronix Type 535''' is a 10*/15 MHz oscilloscope that accepts [[letter-series and 1-series plug-ins]].
 +
 
 
There are two timebases, and triggering is done with a Schmitt trigger made of a [[6U8]] tube (in
 
There are two timebases, and triggering is done with a Schmitt trigger made of a [[6U8]] tube (in
 
early instruments) or a [[6DJ8]] tube (in late instruments).
 
early instruments) or a [[6DJ8]] tube (in late instruments).
 +
The delaying timebase on the 535 (non-A) supports delays up to 100 milliseconds.
 +
The 535-S1 supports delays up to 1 second.
 +
The 535A supports delays up to 10 seconds.
 +
 
The 535 is functionally the same as a [[545]], but with a simpler, non-distributed vertical amplifier.
 
The 535 is functionally the same as a [[545]], but with a simpler, non-distributed vertical amplifier.
 
Early 535s came in brown, square-cornered cabinets; in 1956 the cabinet became blue and round-cornered.
 
Early 535s came in brown, square-cornered cabinets; in 1956 the cabinet became blue and round-cornered.
Early 535s had [[selenium rectifiers]].
+
Early 535s had [[selenium rectifiers]]. The 535 has a [[thermal cutoff]].
 +
 
 +
Type 535, the single-timebase Type [[531]],
 +
and the first four plug-ins, Types 53[[A]], 53[[B]], 53[[C]], and 53[[D]],
 +
were [[introduced in 1954|introduced in August 1954]],
 +
advertised as ''"... the &laquo;convertibles&raquo; of the Tektronix line"''.
 +
Types [[541]] and [[545]] [[introduced_in_1955|came out in March 1955]].
 +
 
 +
The 535's CRT is Tektronix part number [[154-081]].
 +
 
 +
In 1959, Types [[531]], 535, [[541]], and [[545]] were superseded by
 +
Types 531A, 535A, 541A, and 545A, which have more convenient controls. 
 +
In addition, Types 531A and 535A have slightly faster (15 MHz vs. 11 MHz) vertical amplifiers.
 +
 
 +
There is a rack-mount version, Types RM35 and RM35A.  Starting in 1963, the 535A was
 +
made with [[BNC connector]]s for the external trigger inputs.  Prior to 1963, the external
 +
trigger inputs used [[UHF connector]]s.  1972 was the last year that any version of the 535 was sold.
 +
In 1973, the 54x series was still available, but nothing from the 53x series.
 +
 
 +
The first 535s had brown slide-out cases, then blue slide-out cases, and finally
 +
blue cases with pop-off sides. 
 +
 
 +
From the [http://www.wellenkino.de/manuals/1959SC.pdf October 1959 issue of TekScope]:
 +
<blockquote>
 +
In Type 535 and 545 the total delaying sweep time is limited to 10 ms/cm.
 +
If a total delaying sweep time in excess of 10 ms/cm is required, a
 +
K535-S1 modification kit (Tek #040-063) which gives a maximum delay sweep
 +
range of 1 s/cm. This kit is available for $40.00 in including a new
 +
front panel.
 +
</blockquote>
  
Type 535, the single-timebase Type [[531]], and the first four plugins, Types 53[[A]], 53[[B]], 53[[C]], and 53[[D]]],
+
<nowiki>*</nowiki> With Type [[A]] or [[B]] plug-in; 11 MHz with Type [[K]] or other fast plug-in.
were introduced in August 1954, advertised as '...the "convertibles" of the Tektronix line'.
 
Types [[541]] and [[545]] came out in March 1955.
 
  
<nowiki>*</nowiki> With Types [[A]] or [[B]] plugin11MHz with Type [[K]] or other fast plugin.
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{{BeginSpecs}}
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{{SpecGroup | 535 SN 101-8627}}
 +
{{Spec | Bandwidth | DC to 10 MHz (≤ 3 dB) with [[A|Type A plug-in]]  }}
 +
{{Spec | Rise time | 0.035 μs }}
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{{SpecGroup | 535 SN 8268 up  & 535A}}
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{{Spec | Bandwidth | DC to 15 MHz (≤ 3 dB) with [[K|Type K plug-in]]  }}
 +
{{Spec | Rise time | 0.024 μs }}
 +
{{SpecGroup | all}}
 +
{{Spec | Line Voltage | 108/115/122/216/244 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 | 500 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 | Screen Area | 6 cm × 10 cm}}
 +
{{Spec | Construction  | Aluminum alloy chassis. Anodized front panel}}
 +
{{Spec | Weight| 65 lbs / 29,5 kg }}
 +
{{EndSpecs}}
 +
 
 +
==Internals==
 +
 
 +
===Power Supply===
 +
 
 +
The 535's power supply provides regulated outputs of −150V, +100V, +225V, +350V, +500V as well as a +325 V unregulated output for CRT HV section.
 +
 
 +
The Power supply section is very similar to a [[549]]. It is a all Tube design with the using the following tubes
 +
 
 +
[[5651]] as  Voltage Reference Tube <br>
 +
[[12AX7]] as comparator<br>
 +
[[12B4]] as  -150V Series Pass Tube<br>
 +
[[6080]] as +100V, +225V and  +350V Series Pass Tube<br>
 +
[[12B4]] as +500V Series Pass Tube<br>
 +
[[6AU6]] as error Amplifier for all rails<br>
 +
 
 +
==Links==
 +
 
 +
* [http://richardsears.wordpress.com/2011/06/18/tektronix-and-early-hewlett-packard/ Comparison of Tektronix 535, 535A, and HP 150A] with detailed pictures
 +
* [http://www.lydecker.org/Tektronix_535A.htm Tektronix 535A - Restoring a Swap Meet Find]
 +
* [[120-086]] Power transformer schematic
 +
 
 +
==Pictures==
  
 
<gallery>
 
<gallery>
Image:535_vertical2.png|vertical amplifier
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535A.jpg|535A
 +
Rm35a front.jpg|R35A front
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Rm35a trig panel.jpg|R35A trigger controls
 +
535_vertical2.png|vertical amplifier
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Wellenkino 535a 3.jpg
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Wellenkino 535a 2.jpg
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1.TEK535.JPG|535 S1
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2.TEK535.JPG|535 S1
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3.TEK535.JPG|535 S1
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4.TEK535.JPG|535 S1
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5.TEK535.JPG|535 S1
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6.TEK535.JPG|535 S1
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7.TEK535.JPG|535 S1
 +
Tek rm35a 1.JPG
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Tek rm35a 2.jpg
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Tek rm35a 3.jpg
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Tek rm35a 4.jpg
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Tek rm35a 5.jpg
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Tek rm35a 6.jpg
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Tek rm35a 7.jpg
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Tek rm35a 8.jpg
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Tek rm35a 9.jpg
 +
Tek rm35a 10.jpg
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Tek rm35a 11.jpg
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Tek rm35a 12.jpg
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Tek rm35a 13.jpg
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Tek rm35a 14.jpg
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Tek rm35a 15.jpg
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Tek rm35a 16.jpg
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Tek rm35a 17.jpg
 +
Tek rm35a 18.jpg
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Tek 535a delay line 1.jpg|535A delay line
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Tek 535a delay line 2.jpg|535A delay line
 +
Tek 535a trace.jpg|535A trace
 +
Tek 535 brown 1.jpg|535 with brown case
 +
Tek 535 brown 2.jpg|535 with brown case
 +
Tek 535 brown 3.jpg|535 with brown case
 +
Tek 535 brown 4.jpg|535 with brown case
 +
Tek 535 brown 5.jpg|535 with brown case
 +
Tek 535a on plastic.jpg|535A
 +
Tek rm35ar 1.jpg|RM35AR (mod 116B)
 +
Tek rm35ar 2.jpg|RM35AR (mod 116B)
 +
Tek rm35ar 3.jpg|RM35AR (mod 116B)
 +
Tek rm35ar 4.jpg|RM35AR (mod 116B)
 +
Tek rm35ar 5.jpg|RM35AR (mod 116B)
 +
Tek-RM35A-HV-Section.jpg |  RM35A HV Section - Cover Removed
 +
Tek-RM35A-A-Inten-B.jpg | RM35A B intensified by A Trace
 +
Tek-RM35A-Inside-Live.jpg | Inside a Live and working  RM35A
 +
Tek-RM35A-Live-Tubes.jpg | Inside a Live and working  RM35A
 +
Tek rm35a trace.jpg|RM35A trace
 +
Tek rm35a rear2.jpg|RM35A rear
 +
Tek rm35a rear.jpg|RM35A rear
 
</gallery>
 
</gallery>
 +
 +
 +
[[Category:500 series scopes]]

Revision as of 12:34, 2 February 2019

Manuals – Specifications – Links – Pictures

The Tektronix Type 535 is a 10*/15 MHz oscilloscope that accepts letter-series and 1-series plug-ins.

There are two timebases, and triggering is done with a Schmitt trigger made of a 6U8 tube (in early instruments) or a 6DJ8 tube (in late instruments). The delaying timebase on the 535 (non-A) supports delays up to 100 milliseconds. The 535-S1 supports delays up to 1 second. The 535A supports delays up to 10 seconds.

The 535 is functionally the same as a 545, but with a simpler, non-distributed vertical amplifier. Early 535s came in brown, square-cornered cabinets; in 1956 the cabinet became blue and round-cornered. Early 535s had selenium rectifiers. The 535 has a thermal cutoff.

Type 535, the single-timebase Type 531, and the first four plug-ins, Types 53A, 53B, 53C, and 53D, were introduced in August 1954, advertised as "... the «convertibles» of the Tektronix line". Types 541 and 545 came out in March 1955.

The 535's CRT is Tektronix part number 154-081.

In 1959, Types 531, 535, 541, and 545 were superseded by Types 531A, 535A, 541A, and 545A, which have more convenient controls. In addition, Types 531A and 535A have slightly faster (15 MHz vs. 11 MHz) vertical amplifiers.

There is a rack-mount version, Types RM35 and RM35A. Starting in 1963, the 535A was made with BNC connectors for the external trigger inputs. Prior to 1963, the external trigger inputs used UHF connectors. 1972 was the last year that any version of the 535 was sold. In 1973, the 54x series was still available, but nothing from the 53x series.

The first 535s had brown slide-out cases, then blue slide-out cases, and finally blue cases with pop-off sides.

From the October 1959 issue of TekScope:

In Type 535 and 545 the total delaying sweep time is limited to 10 ms/cm. If a total delaying sweep time in excess of 10 ms/cm is required, a K535-S1 modification kit (Tek #040-063) which gives a maximum delay sweep range of 1 s/cm. This kit is available for $40.00 in including a new front panel.

* With Type A or B plug-in; 11 MHz with Type K or other fast plug-in.

Specifications

     — 535 SN 101-8627
Bandwidth DC to 10 MHz (≤ 3 dB) with Type A plug-in
Rise time 0.035 μs
     — 535 SN 8268 up & 535A
Bandwidth DC to 15 MHz (≤ 3 dB) with Type K plug-in
Rise time 0.024 μs
     — all
Line Voltage 108/115/122/216/244 VAC ±10%,selected via primary voltage selector and voltage range selector switches, 50 Hz to 60 Hz.
Thermal Protection Automatic resetting thermal cutout, in case internal temperature exceeds safe operating level
Power Consumption 500 W with Type CA plug-in
Cooling AC Fan
Trigger Modes AC/DC/AC LF Reject, and HF Sync
Anode Potential 10 kV
Screen Area 6 cm × 10 cm
Construction Aluminum alloy chassis. Anodized front panel
Weight 65 lbs / 29,5 kg

Internals

Power Supply

The 535's power supply provides regulated outputs of −150V, +100V, +225V, +350V, +500V as well as a +325 V unregulated output for CRT HV section.

The Power supply section is very similar to a 549. It is a all Tube design with the using the following tubes

5651 as Voltage Reference Tube
12AX7 as comparator
12B4 as -150V Series Pass Tube
6080 as +100V, +225V and +350V Series Pass Tube
12B4 as +500V Series Pass Tube
6AU6 as error Amplifier for all rails

Links

Pictures