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]] featuring a new series of instruments: The 7000 series. [[Howard Vollum]] himself wrote the introduction message on page 1, 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 Vollum $28 million were spent to develop the initial components and products of the 7000 series. While the original mainframes [[7504]] and [[7704]] introduced in 1969 were short-lived, some of the original plug-ins as the [[7A22]] or the [[7S11]] were produced until the early 1990s
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]]'''.


[[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.


Common features of [[7000-series_scopes| 7000-series scopes]]:
According to Vollum, a significant portion of the previous two years' $28 million engineering budget (~$200m in 2021 value)
* 2 horizontal plug-in bays
were spent to develop the initial components and products of the 7000 series.
* 1 (7XX3) or 2 (7XX4) vertical plug-in bays (except digitizers)
 
* horizontal and vertical plug-ins can be used in non native slots
The initial family [[introduced in 1969|introduction in 1969]] consisted of the 90 MHz [[7504]] and 150 MHz [[7704]] mainframes,
* [[7000_series_readout_system|On screen readout controlled from plug-ins]]
and no less than 13 plug-ins − the [[7A11]] FET-probe amplifier, [[7A12]] dual-channel amplifier, [[7A13]] differential comparator,
*  Consistent color scheme on scopes and plugins
[[7A14]] current-probe amplifier, [[7A16]] singles-channel amplifier, [[7A22]] differential amplifier, [[7B51]] and [[7B70]]
* [[7000_Series_plug-in_interface|Differential, calibrated 50 Ohm signal and trigger connections from plug-in to backplane]]
delaying timebases, [[7B50]] and [[7B70]] delayed timebases, [[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==
* 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.
* One ([[7912]]) or two (all other 7000) vertical plug-in slots
* Zero ([[7612D]]), one (7xx3, 7912) or two (7xx4) horizontal plug-in slots
* Horizontal and vertical plug-ins can be used in non-native slots
* [[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]]
 
==7000 series functional color code==
:{| cellpadding="4"
|-
| bgcolor="LightBlue" | Mode Selection
|-
| bgcolor="LightGreen" | Trigger Source or Control
|-
| bgcolor="Red" | Uncalibrated Variable
|-
| bgcolor="Gray"  | Denotes functional relation
|}
 
==Links==
* [[7000-series_scopes|Scopes]]
* [[7000-series plug-ins|Plug-ins]]
* [[7000 series readout system|Readout system]]
* [[7000 Series plug-in interface|Backplane Interface]]
* [[7000-series remote control connector]]
* [[List of 7000 series equipment|List of 7000 series equipment]]
* [[Media:Tektronix7xxx Assemblies.pdf|Tektronix 7k Series Assemblies, compiled by Shannon Hill (PDF)]]
* [[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)]] (PDF,OCR,1MB)
* [[7000 plugin packing|Plug-in packaging]]
* [[Back-lit switches]]
* [[Soviet 7000-series clones|Soviet Clones]]
 
 
[[Category:7000 series scopes]]
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