Introduction to the 7000-Series Oscilloscopes: Difference between revisions

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Introduction to the 7000-Series Oscilloscopes (view source)

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In August of 1969, Tektronix issued a [[Media:Aug 1969 Catalog Supplement.pdf|supplement catalog]]  
In August of 1969, Tektronix issued a [[Media:Aug 1969 Catalog Supplement.pdf | supplement catalog]]  
featuring a new series of instruments, called the '''[[7000-series scopes|7000 Series]]'''.
featuring a new series of instruments called the '''[[7000-series scopes | 7000 Series]]'''.


[[Howard Vollum]] himself wrote the introduction message on page 1 of this supplement,  
[[Howard Vollum]] himself wrote the introduction message on page 1 of this supplement, where he presented the 7000 series as a replacement to the [[500-series_scopes | 500 scope series]], emphasizing the necessity to switch to a new platform for modular high-end scopes due to the limitations of the original [[500-series_scopes | 500 series platform]] designed in 1953.  
where he presented the 7000 series as a replacement to the [[500-series_scopes|500 scope series]],  
emphasizing the necessity to switch to a new platform for modular high-end scopes  
due to the limitations of the original [[500-series_scopes|500 series platform]] designed in 1953.
According to [[Howard Vollum|Vollum]], $28 million were spent in two years
to develop the initial components and products of the 7000 series.  


While the original [[7504]] and [[7704]] mainframes [[introduced in 1969]] were short-lived,  
According to Vollum, a significant portion of the previous two years' $28 million engineering budget (~250m in 2023 dollars!) were spent to develop the initial components and products of the 7000 series.
the series lasted until the early 1990s, with some of the original 13 plug-ins like  
 
the [[7A22]] or the [[7S11]] remaining in production throughout.
The initial family [[introduced in 1969 | introduction in 1969]] consisted of the 90 MHz [[7504]] and 150 MHz [[7704]] mainframes, and no less than 13 plug-ins − the [[7A11]] FET-probe amplifier, [[7A12]] dual-channel amplifier, [[7A13]] differential comparator, [[7A14]] current-probe amplifier, [[7A16]] singles-channel amplifier, [[7A22]] differential amplifier, [[7B51]] and [[7B70]] delaying time bases, [[7B50]] and [[7B70]] delayed time bases, [[7S11]]/[[7T11]] sampling system, and the [[7M11]] delay line.
 
While the original [[7504]] and [[7704]] mainframes were short-lived, the series lasted until the early 1990s, with some of the original plug-ins like the [[7A22]] or the [[7S11]] remaining in production throughout.


==Common features of 7000-series scopes==
==Common features of 7000-series scopes==
* One ([[7912]]) or two vertical plug-in slots
* Designed for [[7000-series plug-ins | plug-ins]] for flexibility. The last digit of the scope designation refers to the total number of plug-in bays.
* Zero ([[7612D]]), one (7xx3, 7912) or two (7xx4) horizontal plug-in slots
* One ([[7912]]) or two (all other 7000) vertical plug-in bays
* Horizontal and vertical plug-ins can be used in non-native slots
* Zero ([[7612D]]), one (7xx3, 7912) or two (7xx4) horizontal plug-in bays
* [[7000_series_readout_system|On screen readout controlled from plug-ins]] including [[BNC_connector_with_readout_ring|probe scaling]]
* Horizontal and vertical plug-ins can be used in bays of the other type, e.g. an amplifier in a time base bay can be used for X-Y display
* [[7000_Series_plug-in_interface|Differential, calibrated 50 Ω signal and trigger connections from plug-in to backplane]]
* [[7000_series_readout_system     | On screen readout controlled from plug-ins]] including [[BNC_connector_with_readout_ring | probe scaling]]
* [[7000_Series_plug-in_interface   | Differential, calibrated 50 Ω signal and trigger connections from plug-in to backplane]]
 
==Meaning of the type numbers==
* first digit − series
** 7000
* second digit − bandwidth
** 3: 25 MHz
** 4: 65 MHz
** 5: 90/100 MHz
** 6: 100 MHz
** 7: 150/200 MHz
** 8: 400 MHz
** 9: 500 MHz
** 1: 1000 MHz
* third digit − CRT type / storage
** 0: no storage
** 1: single-mode analog storage: variable-persistence or bistable storage
** 2: multi-mode analog storage
** 3: fast multi-mode analog storage
** 4: dual-beam
** 5: digital storage
* fourth digit − number of bays
 
Prefix R: Rack-mount version
 
Suffix A or B: later variant
 
Suffix N: no readout


==7000 series functional color code==
==7000 series functional color code==
:{| cellpadding="4"
:{| cellpadding="9" style="text-align:center; vertical-align:middle;
|-
| bgcolor="#84bded"  | Display Mode Selection
|-
| bgcolor="#77ab68"  | Trigger Source or Control
|-
| bgcolor="#e63126"  | Uncalibrated Variable
|-
| bgcolor="#dad9de"  | Denotes functional relation
|-
| bgcolor="#f4ff2c"  | Caution
|-
| bgcolor="#e1a464"  | Exclusive function
|}
 
 
This info was taken from a [https://youtu.be/F_p5YsIImMY?t=954 video shared by the VintageTEK Museum on YouTube]
<gallery>
7k series colour coding.png                          | Diagram grabbed from the video
Tektronix New Products 1969-08 page 9 color code.jpg | Taken from page 9 of the [[Media:Aug 1969 Catalog Supplement.pdf | New Products supplement, August 1969 ]]
</gallery>
 
==Overview==
 
{| class="wikitable sortable"
|+ 7000 series overview
|-
! rowspan="2" | Scope
! rowspan="2" | Bandwith<br />[MHz]
! rowspan="2" | Plug-in<br />Bays
! rowspan="2" | Start <br /> of Sales
! rowspan="2" | End <br /> of Sales
! rowspan="2" | CRT Type
! rowspan="2" | CRT Raster<br />[cm/Div]
! Bistable<br /><small>(reduced scan)</small>
! Fast Bistable<br /><small>(reduced scan)</small>
! Var-Pers.<br /><small>(reduced scan)</small>
! Fast Var-Pers.<br /><small>(reduced scan)</small>
! rowspan="2" | Digital<br />storage
! rowspan="2" | Readout
! rowspan="2" | Power<br />[W]
! rowspan="2" | Cooling<br />fan
! rowspan="2" | Weight<br />[kg]
|-
! colspan=4 |  writing speed [div/µs]
|-
| [[7313]]  ||  25 || 3 || 1972 || 1979 || split-screen bi-stable storage || 1.0  ||  0.5 ||  -      ||  -  ||  -        ||  -  || YES || 170 ||  -  ||  ?
|-
| [[7403N]]  ||  65 || 3 || 1970 || 1975 || standard                      || 1.22 ||  -  ||  -      ||  -  ||  -        ||  -  ||  -  || 130 ||  -  || 13.6
|-
| [[R7403N]] ||  65 || 3 || 1971 || 1975 || standard                      || 1.22 ||  -  ||  -      ||  -  ||  -        ||  -  ||  -  ||  ?  ||  -  ||  ?
|-
| [[7503]]  ||  90 || 3 || 1970 || 1972 || standard                      || 1.0  ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 258 ||  -  || 21.3
|-
| [[7504]]  ||  90 || 4 || 1969 || 1971 || standard                      || 1.0  ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 285 ||  -  || 24.6
|-
| [[7514]]  ||  90 || 4 || 1970 || 1974 || split-screen bi-stable storage || 1.0  ||  1.0 ||  -      ||  -  ||  -        ||  -  || YES || 225 ||  -  || 19.5
|-
| [[7603]]  ||  100 || 3 || 1972 || 1990 || standard                      || 1.22 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 170 || Some versions || 13.6
|- 
| [[R7603]]  ||  100 || 3 || 1973 || 1990 || standard                      || 1.22 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 170 ||  ?  || 13.6
|-
| [[7613]]  ||  100 || 3 || 1972 || 1990 || variable-persistence storage  ||  0.9 ||  -  ||  -      ||  5  ||  -        ||  -  || YES || 170 || YES || 13.6
|-
| [[R7613]]  ||  100 || 3 || 1973 || 1990 || variable-persistence storage  ||  0.9 ||  -  ||  -      ||  5  ||  -        ||  -  || YES || 180 || YES || 13.6
|-
| [[7623]]  ||  100 || 3 || 1972 || 1975 || multi-mode transfer storage    ||  0.9 || 0.03 ||  50      || 0.5 || 100        ||  -  || YES || 170 ||  -  || 13.6
|-
| [[R7623]]  ||  100 || 3 || 1973 || 1974 || multi-mode transfer storage    ||  0.9 || 0.03 ||  50      || 0.5 || 100        ||  -  || YES || 180 ||  -  ||  ?
|- 
| [[7623A]]  ||  100 || 3 || 1975 || 1990 || multi-mode transfer storage    ||  0.9 || 0.03 ||  50      || 0.5 || 150        ||  -  || YES || 170 ||  -  || 13.6
|-
| [[R7623A]] ||  100 || 3 || 1975 || 1991 || multi-mode transfer storage    ||  0.9 || 0.03 ||  50      || 0.5 || 150        ||  -  || YES || 180 ||  -  || 13.6
|-
| [[7623B]]  ||  100 || 3 || 1991 || 1992 || multi-mode transfer storage    ||  0.9 || 0.03 (Y,?) ||  50 (Y,?) || 0.5 (Y,?) || 150 (2200) ||  -  || YES ||  ?  ||  -  ||  ?
|-
| [[R7623B]] ||  100 || 3 || 1991 || 1992 || multi-mode transfer storage    ||  0.9 || 0.03 (Y,?) ||  50 (Y,?) || 0.5 (Y,?) || 150 (2200) ||  -  || YES ||  ?  ||  -  ||  ?
|-
| [[7633]]  ||  100 || 3 || 1975 || 1990 || multi-mode transfer storage    ||  0.9 || 0.03 (0.2) ||  50 (400) || 0.5 (3) || 150 (2222) ||  -  || YES || 170 ||  -  || 13.6
|-
| [[R7633]]  ||  100 || 3 || 1975 || 1990 || multi-mode transfer storage    ||  0.9 || 0.03 (0.2) ||  50 (400) || 0.5 (3) || 150 (2222) ||  -  || YES || 180 ||  -  || 13.6
|-
| [[7704]]  ||  150 || 4 || 1969 || 1972 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 210 ||  -  || 19.1
|-
| [[R7704]]  ||  150 || 4 || 1970 || 1985 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES ||  ?  ||  -  ||  ?
|-
| [[7704A]]  ||  200 || 4 || 1972 || 1987 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 180 ||  -  || 13.6
|-
| [[7834]]  ||  400 || 4 || 1977 || 1986 || multi-mode transfer storage    ||  0.9 || 0.03 (0.2) ||  50 (776) || 2.0 (12) || 300 (5500) ||  -  || YES || 215 || YES || 17.0
|-
| [[7844]]  ||  400 || 4 || 1974 || 1988 || dual beam                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 235 || YES || 16.3
|-
| [[R7844]]  ||  400 || 4 || 1975 || 1992 || dual beam                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 235 || YES || 15.0
|-
| [[7854]]  ||  400 || 4 || 1980 || 1990 || standard / digital            ||  1.0 ||  -  ||  -      ||  -  ||  -        || YES || YES || 230 || YES || 19.0
|-
| [[7904]]  ||  500 || 4 || 1971 || 1983 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 190 ||  -  || 13.5
|-
| [[7903]]  ||  500 || 3 || ? || ? || standard                              ||  1.0 ||    -  ||  -      ||  -  ||  -        ||  -  || YES || ?  ||  -  || ?
|-
| [[R7903]]  ||  500 || 3 || 1974 || 1982 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 160 ||  -  || 13.5
|-
| [[7904A]]  ||  500 || 4 || 1984 || 1990 || standard                      ||  1.0 ||  -  ||  -      ||  -  ||  -        ||  -  || YES || 190 || YES || 13.5
|-
| [[7934]]  ||  500 || 4 || 1987 || 1990 || multi-mode transfer storage    ||  0.9 || 0.03 (0.2) ||  50 (776) || 2.0 (12) || 300 (8800) ||  -  || YES || 230 || YES || 17.2
|-
|-
| bgcolor="LightBlue" | Mode Selection
| [[7104]]  || 1000 || 4 || 1978 || 1990 || micro-channel plate            || 0.85 ||  -  ||  -      ||  -  || -          ||  -  || YES || 215 || YES || 19.8
|-
|-
| bgcolor="LightGreen" | Trigger Source or Control
| [[R7103]]  || 1000 || 3 || 1985 || 1990 || micro-channel plate            || 0.85 ||  -  ||  -      ||  -  || -          ||  -  || YES ||  ?  || YES ||  ?
|-
| [[7D20]]  ||  70 || - || 1982 || 1992 || - (digital storage plug-in)    || -    ||  -  ||  -      ||  -  || -          || YES || YES ||  -  ||  -  ||  3.9
|-
| [[7612D]]  ||  90 || 2 || 1980 || 1988 || - (digitizer)                  || -    ||  -  ||  -      ||  -  || -          || YES ||  ?  || 400 || YES || 24.95
|-
|-
| bgcolor="Red" | Uncalibrated Variable
| [[R7912]]  ||  500 || 2 || 1973 || 1978 || - (digitizer)                  || -    ||  -  ||  -      ||  -  || -          || YES ||  YES  ||  ?  || YES ||  ?
|-
|-
| bgcolor="Gray" | Denotes functional relation
| [[7912AD]] ||  500 || 2 || 1978 || 1987 || - (digitizer)                  || -    ||  -  ||  -      ||  -  || -          || YES ||  YES  || 360 || YES || 24.7
|-
| [[7912HB]] ||  750 || 2 || 1987 || 1989 || - (digitizer)                  || -    ||  -  ||  -      ||  - || -          || YES ||  YES  ||  ?  || YES ||  ?
|-
| [[P7001]]  ||  175 || - || 1973 || 1981 || - (digitizer)                  || -    ||  -  ||  -      ||  -  || -          || YES ||  ?  || 120 || YES || 21.8
|}
|}


==Links==
==Links==
* [[7000-series_scopes|Scopes]]
* [[7000-series_scopes                       | Scopes ]]
* [[7000-series plug-ins|Plug-ins]]
* [[7000-series plug-ins                     | Plug-ins ]]
* [[7000 series readout system|Readout system]]
* [[7000 series readout system               | Readout system ]]
* [[7000 Series plug-in interface|Backplane Interface]]
* [[7000 Series plug-in interface             | Backplane Interface ]]
* [[List of 7000 series equipment|List of 7000 series equipment]]
* [[7000-series remote control connector      ]]
* [[7000 plugin packing|Plug-in packaging]]
* [[List of 7000 series equipment             | List of 7000 series equipment ]]
* [[Soviet 7000-series clones|Soviet Clones]]
* [[Media:Tektronix7xxx Assemblies.pdf        | Tektronix 7k Series Assemblies, compiled by Shannon Hill ]]
* [[Media:Introduction to the 7000 Series Switching and Logic Circuits (Ken Parker, 1970).pdf | Introduction to the 7000 Series Switching and Logic Circuits (Ken Parker, 1970) ]]
* [[7000 plugin packing                       | Plug-in packaging ]]
* [[Back-lit switches                          ]]
* [[Soviet 7000-series clones                 | Soviet Clones ]]
* [http://www.k100.biz/e-Books.html            Gianni Becattini's book dedicated to the 7000-Series ]
* [https://www.youtube.com/watch?v=F_p5YsIImMY  How the frontend design was developed ] @ YouTube




[[Category:7000 series scopes]]
[[Category:7000 series scopes]]
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