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[[Image:Tek-7613-front.jpg|200px|thumb|right|Tektronix 7613, front view]]
{{Oscilloscope Sidebar
The Tektronix 7613 is a 100MHz variable-persistence storage oscilloscope that uses two vertical and one horizontal [[7000-series_plug-ins|7000-series plug-ins]].
|manufacturer=Tektronix
|series=7000-series scopes
|model=7613
|summary=100 MHz variable-persistence storage mainframe
|image=Tek-7613-front.jpg
|caption=Tektronix 7613 with [[7A11]], [[7A22]], [[7B53A]]
|introduced=1972
|discontinued=1990
|designers=Bill DeVey;John Durecka;Doug Giesbers;Ed Wolf;Chuck Davis;Dave McCullough;Dick Anderson
|manuals=
* [[Media:070-1365-00.pdf|7613 Operator Manual]]
* [[Media:070-1463-00.pdf|7613 Service Manual]]
* For more info on the Low Voltage Power Supply, also see the Manuals section on the [[7603]] page.


There is a bench-top version, the 7613, and a rack-mount version, the R7613.
<small>
'''Modifications'''
* [[040-0686-01 | 7xx3 pushbutton illumination mod]]
</small>
}}
The '''Tektronix 7613''' is a 100 MHz variable-persistence storage oscilloscope that uses two vertical and one horizontal
[[7000-series_plug-ins|7000-series plug-ins]].  There is also a rack-mount version, the '''R7613'''.


==Years made==
In the 76x3 family (7613, [[7623]] and [[7633]]), the 7613 has the slowest writing speed specification (no fast storage mode). In storage mode, it is therefore more suited to lower-frequency work, or as a display for spectrum analyzers or sampling plugins.


1970 — 1990
Project Engineer for the 7613 and [[7623]] was [[Bill DeVey]] under direction of [[Oliver Dalton]]. [[John Durecka]] did the electrical design. [[Doug Giesbers]], [[Ed Wolf]], and [[Chuck Davis]] provided the mechanical design. Aiding the overall design effort were [[Dave McCullough]] and [[Dick Anderson]].


==Specifications==
{{BeginSpecs}}
{{Spec | Bandwidth | 100 MHz }}
{{Spec | Fastest calibrated sweep | 5 ns/Div }}
{{Spec | Stored writing speed | > 5 Div/μs }}
{{Spec | Display | P31 phosphor, 8 &times; 10 divisions of 0.9 cm (Tek [[154-0670-00]] tube), 8.5 kV acceleration }}
{{Spec | Persistence | 15 seconds at 5 Div/μs, 60 seconds at 1 Div/μs }}
{{Spec | Vertical modes | Left / Alt / Add / Chop / Right }}
{{Spec | Trigger Source | Left / Vert Mode / Right }}
{{Spec | Inputs | Z Axis }}
{{Spec | Outputs | Camera power, Vert signal, +Gate, +Sawtooth }}
{{Spec | Line Voltage | 100 / 110 / 120 / 200 / 220 / 240 V, ±10% }}
{{Spec | Power | max. 170 W (R7613: 180 W) }}
{{Spec | Weight | 13.6 kg / 30 lb  (instrument only) }}
{{Spec | Operating Environment | 0°C – +50°C, < 15,000 ft }}
{{EndSpecs}}


==Manuals==
===Options===
<div style="column-count:4;-moz-column-count:4;-webkit-column-count:4">
* Opt.1: Without readout
* Opt.3: Extra EMI shielding
* Opt.5: Line frequency 50-400 Hz
* Opt.6: Spectrum analyzer graticule
* Opt.7: Without Signals Out
</div>


* [http://bama.edebris.com/download/tek/7613/Tektronix_7613_Service_Oct1974.pdf Tektronix 7613 Manual (PDF)]
==Links==
 
* [https://amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_mainframe/7613.htm Tek 7613 page @ amplifier.cd]
* [http://www.barrytech.com/tektronix/tek7000/tek7613.html Tek 7613 page @ barrytech.com]
{{Documents|Link=7613}}
 
==Internals==
 
The 7613's vertical output amplifier (below s/n 150000) is built around a [[155-0080-00]] hybrid. Later versions use the same vertical amplifier as used in the 7623A and 7633. 
Other custom Tek ICs used include [[155-0011-00]] clock & chop blanking, [[155-0022-00]] channel switch, and the [[7000 series readout system]] chips.
 
The 7613, like the other 76xx models, has a linear supply with discrete regulator circuits, which does not provide [[7000 Series plug-in interface|+5 V for lights (A9)]] without [[040-0686-01| modification]].
 
The 7613 uses a CRT anode voltage of 7 kV, produced by a solid-state voltage multiplier fed by a transformer.


==Links==
==Prices==


* http://amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_mainframe/7613.htm
{| class="wikitable"
|-
! &nbsp;
! Year
! 1973
! 1976
! 1980
! 1984
! 1990
|-
!rowspan=2| Mainframe only
! Catalog price
|align=right|  $2,500
|align=right|  $2,850
|align=right|  $3,620
|align=right|  $5,330
|align=right|  $8,600
|-
! 2021 value
|align=right| $15,300
|align=right| $13,600
|align=right| $11,940
|align=right| $13,940
|align=right| $17,880
|-
!rowspan=2| Mainframe with 2 × [[7A18A]], [[7B53A]]
! Catalog price
|align=right|  $4,420
|align=right|  $5,005
|align=right|  $6,585
|align=right|  $9,345
|align=right| $14,680
|-
! 2021 value
|align=right| $27,050
|align=right| $23,900
|align=right| $21,710
|align=right| $24,440
|align=right| $30,520
|}


==Pictures==
==Pictures==


<gallery>
<gallery>
Tek-7613-front.jpg        | 7613 front
R7613.jpg                  | R7613 front
7613-left.jpg              | Left side - X amplifier (top), Y amplifier (center), power supply (bottom left) and plugin motherboard (bottom center)
Tek-7613-right.jpg        | Right side - calibrator (far left), storage control (center), readout (right)
Tek-7613-z-and-readout.jpg | Z amplifier and dynamic focus board (top), readout board (center)
Tek-7613-cal-and-store.jpg | Calibrator (left) and storage control boards
7613-output-amps.jpg      | V and H amplifier detail
7613-vert-2.jpg            | Another 7613 vertical amplifier
7613-vert-3.jpg            | vertical amplifier detail
7613-vert-4.jpg            | vertical output transistor mounting
7613-regulator.jpg        | Voltage regulator board
7613-crt-1.jpg            | CRT removed
7613-crt-2.jpg            | CRT neck detail
7613-crt-3.jpg            | Comparison of electron guns: Tektronix 7613 (bottom) HP 1741A (top)
Tek 7613 graticule.jpg|7613 graticule


Tek-067-0587-02-gain-v.jpg | 7613 with option 6, geometry alignment with [[067-0587-02]]
Tek-067-0587-02-gain-h.jpg | 7613 with option 6, geometry alignment, [[067-0587-02]] in horizontal slot
Tek 7613 off.jpg
Tek 7613 2x 7a26 7b87.jpg
Tek 7613 rear connections.jpg | R7613 rear connections
</gallery>
</gallery>


==Components==
{{Parts|7613}}
{{Custom ICs|7000 series readout system}}


[[Category:Specifications needed]]
[[Category:7000 series storage mainframes]]
 
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