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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar |
title=Tektronix 535 |
title=Tektronix 535 |
summary=10 MHz dual-timebase scope |
summary=10 (15) MHz dual-timebase scope |
image=Tek-535a-crop.jpg |
image=Tek-535a-crop.jpg |
caption=Tektronix 535A front |
caption=Tektronix 535A front |
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discontinued=1973 |
discontinued=1973 |
manuals=
manuals=
* [http://exodus.poly.edu/~kurt/mmm/tek-535.pdf Tektronix 535 Manual (66 MB, PDF)]
* [[Media:070-198.pdf | Tektronix 535 Manual (66 MB, PDF)]]
* [http://exodus.poly.edu/~kurt/mmm/tek-535a.pdf Tektronix 535A Manual (114 MB, PDF)]
* [[Media:070-0145-01.pdf | Tektronix 535A Manual (22 MB, OCR PDF)]]
* [http://w140.com/tek_535a_compact.pdf Tektronix 535A Manual (20 MB, PDF)]
* [[Media:tek_type_535_545_operators_handbook.pdf|Tektronix 535 and 545 Operators Handbook (PDF, OCR)]]
* [http://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook (PDF)]
* [[Media:tek_type_535_modification_summary.pdf|Tektronix 535 Modification Summary (PDF, OCR, bad-OCR)]]
* [http://w140.com/tek_fcp/tek_type_535_early_factory_cal_proc.pdf Tektronix 535 Factory Calibration Guide low-sn (PDF)]
* [[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_late_factory_cal_proc.pdf Tektronix 535 Factory Calibration Guide high-sn (PDF)]
<small>
* [http://w140.com/tek_fcp/tek_type_535a_factory_cal_proc.pdf Tektronix 535A Factory Calibration Guide (PDF)]
'''Calibration'''
* [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)]
 
* [[Media:tek_535a_manual.pdf|Tektronix 535A Manual (20 MB, PDF, OCR)]]
 
* [[Media:tek_type_535_fcp_low-sn.pdf|Tektronix 535 Factory Calibration Guide low-sn (PDF, OCR)]]
* [[Media:tek_type_535_fcp_low-sn.pdf|Tektronix 535 Factory Calibration Guide low-sn (PDF, OCR)]]
* [[Media:tek_type_535_fcp_high-sn.pdf|Tektronix 211 Operator (PDF, OCR)]]
* [[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, August 1959 (PDF, OCR)]]
* [[Media:Tek 535a fcp march 1968.pdf|Tektronix 535A Factory Calibration Procedure, March 1968 (PDF, needs OCR)]]
</small>
}}
}}


The '''Tektronix Type 535''' is a 10 MHz* oscilloscope that accepts [[letter-series and 1-series plug-ins]].
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
Line 67: Line 65:


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Bandwidth | DC to 15 MHz (≤ 3 dB) with [[K|Type K plug-in]]  }}
{{SpecGroup | 535 SN 101-8627}}
{{Spec | Rise time | 0.024 μs }}
{{Spec | Bandwidth | DC to 10 MHz (≤ 3 dB) with [[A|Type A plug-in]]  }}
{{Spec | Rise time | 0.035 μs }}
{{SpecGroup | 535 SN 8268 up  & 535A}}
{{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 | 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 | Thermal Protection | Automatic resetting thermal cutout, in case internal temperature exceeds safe operating level }}
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{{Spec | Screen Area | 6 cm × 10 cm}}
{{Spec | Screen Area | 6 cm × 10 cm}}
{{Spec | Construction  | Aluminum alloy chassis. Anodized front panel}}
{{Spec | Construction  | Aluminum alloy chassis. Anodized front panel}}
{{Spec | Weight| 65 lbs / 29,5 kg }}
{{EndSpecs}}
{{EndSpecs}}
==Special Models==
Three "special models" of 535 were made:
* 535-S1 (sweep delay 10 microseconds to 1 second)
* 535-S2 (sweep delay 100 microseconds to 10 seconds)
* 535-S6 (sweep delay 1.5 microseconds to 10 seconds)


==Internals==
==Internals==
Line 85: Line 95:
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 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
The Power supply section is very similar to a [[549]]. It is an all tube design using the following types
 


[[5651]] as  Voltage Reference Tube <br>
[[5651]] as  Voltage reference  <br>
[[12AX7]] as comparator<br>
[[12AX7]] as comparator <br>
[[12B4]] as  -150V Series Pass Tube<br>
[[12B4]] as  -150V series pass element<br>
[[6080]] as +100V, +225V and  +350V Series Pass Tube<br>
[[6080]] as +100V, +225V and  +350V series pass element<br>
[[12B4]] as  +500V Series Pass Tube<br>
[[12B4]] as  +500V series pass element<br>
[[6AU6]] as error Amplifier for all rails<br>
[[6AU6]] as error amplifier for all rails<br>


==Links==
==Links==
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* [http://richardsears.wordpress.com/2011/06/18/tektronix-and-early-hewlett-packard/ Comparison of Tektronix 535, 535A, and HP 150A] with detailed pictures
* [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]
* [http://www.lydecker.org/Tektronix_535A.htm Tektronix 535A - Restoring a Swap Meet Find]
* [[120-086]] Power transformer schematic


==Pictures==
==Pictures==
 
===535===
<gallery>
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
</gallery>
===535 S1===
<gallery>
<gallery>
535A.jpg|535A
Rm35a front.jpg|R35A front
Rm35a trig panel.jpg|R35A trigger controls
535_vertical2.png|vertical amplifier
Wellenkino 535a 3.jpg
Wellenkino 535a 2.jpg
1.TEK535.JPG|535 S1
1.TEK535.JPG|535 S1
2.TEK535.JPG|535 S1
2.TEK535.JPG|535 S1
Line 115: Line 129:
6.TEK535.JPG|535 S1
6.TEK535.JPG|535 S1
7.TEK535.JPG|535 S1
7.TEK535.JPG|535 S1
</gallery>
===535 S2===
<gallery>
Tek 535-s2 1.jpg|535-S2
Tek 535-s2 2.jpg|535-S2
Tek 535-s2 3.jpg|535-S2
</gallery>
===535A===
<gallery>
535A.jpg|535A
535_vertical2.png|vertical amplifier
Wellenkino 535a 3.jpg
Wellenkino 535a 2.jpg
Tek 535a delay line 1.jpg|535A delay line
Tek 535a delay line 2.jpg|535A delay line
Tek 535a trace.jpg|535A trace
Tek 535a on plastic.jpg|535A
</gallery>
===RM35A===
<gallery>
Tek rm35a 1.JPG
Tek rm35a 1.JPG
Tek rm35a 2.jpg
Tek rm35a 2.jpg
Line 133: Line 167:
Tek rm35a 17.jpg
Tek rm35a 17.jpg
Tek rm35a 18.jpg
Tek rm35a 18.jpg
Tek 535a delay line 1.jpg|535A delay line
Rm35a front.jpg|R35A front
Tek 535a delay line 2.jpg|535A delay line
Rm35a trig panel.jpg|R35A trigger controls
Tek 535a trace.jpg|535A trace
Tek-RM35A-HV-Section.jpg | RM35A HV Section
Tek 535 brown 1.jpg|535 with brown case
Tek-RM35A-A-Inten-B.jpg | RM35A B intensified by A Trace
Tek 535 brown 2.jpg|535 with brown case
Tek-RM35A-Inside-Live.jpg |RM35A Internals
Tek 535 brown 3.jpg|535 with brown case
Tek-RM35A-Live-Tubes.jpg |RM35A Internals
Tek 535 brown 4.jpg|535 with brown case
Tek rm35a trace.jpg|RM35A trace
Tek 535 brown 5.jpg|535 with brown case
Tek rm35a rear2.jpg|RM35A rear
Tek 535a on plastic.jpg|535A
Tek rm35a rear.jpg|RM35A rear
</gallery>
===RM35AR===
<gallery>
Tek rm35ar 1.jpg|RM35AR (mod 116B)
Tek rm35ar 1.jpg|RM35AR (mod 116B)
Tek rm35ar 2.jpg|RM35AR (mod 116B)
Tek rm35ar 2.jpg|RM35AR (mod 116B)
Line 147: Line 184:
Tek rm35ar 4.jpg|RM35AR (mod 116B)
Tek rm35ar 4.jpg|RM35AR (mod 116B)
Tek rm35ar 5.jpg|RM35AR (mod 116B)
Tek rm35ar 5.jpg|RM35AR (mod 116B)
Tek-RM35A-CRT-1.jpg | RM35A CRT
Tek-RM35A-CRT-2.jpg | RM35A CRT
Tek-RM35A-CRT-DefPlates.jpg | RM35A CRT Deflection Plates
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
</gallery>
</gallery>


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

Revision as of 21:16, 2 January 2021

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.

Key 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

Special Models

Three "special models" of 535 were made:

  • 535-S1 (sweep delay 10 microseconds to 1 second)
  • 535-S2 (sweep delay 100 microseconds to 10 seconds)
  • 535-S6 (sweep delay 1.5 microseconds to 10 seconds)

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 an all tube design using the following types


5651 as Voltage reference
12AX7 as comparator
12B4 as -150V series pass element
6080 as +100V, +225V and +350V series pass element
12B4 as +500V series pass element
6AU6 as error amplifier for all rails

Links

Pictures

535

535 S1

535 S2

535A

RM35A

RM35AR