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Introduction to the 5000-Series Oscilloscopes: Difference between revisions
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Introduction to the 5000-Series Oscilloscopes (view source)
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The 5000-series (5K) was introduced in 1971 as lower-cost, laboratory oscilloscope | The 5000-series (5K) was introduced in 1971 as lower-cost, laboratory oscilloscope | ||
instrumentation with plug-in versatility. This series generally has larger display | instrumentation with plug-in versatility. This series generally has larger display | ||
screens than the more-expensive and higher-performance 7000-series, but also has | screens than the more-expensive and higher-performance [[7000-series scopes|7000-series]], | ||
very low bandwidth in comparison. | but also has very low bandwidth in comparison. | ||
Unlike other Tektronix products other than the 7704A in the 7000-series, the | Unlike other Tektronix products other than the [[7704A]] in the 7000-series, the | ||
5000-series mainframes consist of an acquisition unit (the 5103 or 5403) containing | 5000-series mainframes consist of an acquisition unit (the [[5103]] or [[5403]]) containing | ||
the plug-in compartments and low-voltage power supply and a display unit (e.g., the | the plug-in compartments and low-voltage power supply and a display unit (e.g., the | ||
D10, D11, D12, D13, etc.). The idea was that the display unit could be sold | [[D10]], [[D11]], [[D12]], [[D13]], etc.). The idea was that the display unit could be sold | ||
separately for custom integrated uses by other manufacturers at a lower cost than | separately for custom integrated uses by other manufacturers at a lower cost than | ||
could be had by using one of the 600-series monitors, and at the same time provide | could be had by using one of the [[600-series monitors]], and at the same time provide | ||
a larger display screen area. Within the Tektronix product line, the D10 and D11 | a larger display screen area. Within the Tektronix product line, the D10 and D11 | ||
display units are used in constructing the 577 semiconductor curve tracer, one | display units are used in constructing the [[577|577 semiconductor curve tracer]], one | ||
providing a non-storage display and the other providing bi-stable storage. | providing a non-storage display and the other providing bi-stable storage. | ||
But within the 5000-series, this led to documentation problems as each oscilloscope | But within the 5000-series, this led to documentation problems as each oscilloscope | ||
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number from the display unit as the serial number for the complete oscilloscope. | number from the display unit as the serial number for the complete oscilloscope. | ||
With this, Tek began referring to the various models with the acquisition unit | With this, Tek began referring to the various models with the acquisition unit | ||
prefix followed by the “D” number, such as 5110 for a 5103/D10, 5113 for a 5103/D13 | prefix followed by the “D” number, such as [[5110]] for a 5103/D10, [[5113]] for a 5103/D13 | ||
or 5441 for a 5403/D41. Thus, documentation became much simpler. | or [[5441]] for a 5403/D41. Thus, documentation became much simpler. | ||
Tektronix Service Centers began “grandfathering” this designation with the older | Tektronix Service Centers began “grandfathering” this designation with the older | ||
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* [[5110]] Single beam, non-storage | * [[5110]] Single beam, non-storage | ||
* [[5111]] Single beam, split-screen bi-stable storage | * [[5111]] Single beam, split-screen bi-stable storage | ||
* [[5111A]] Single beam, split-screen bi-stable storage (updated circuitry), 50 | * [[5111A]] Single beam, split-screen bi-stable storage (updated circuitry), 50 Div/µs writing rate | ||
* [[5112]] Dual beam, non-storage | * [[5112]] Dual beam, non-storage | ||
* [[5113]] Dual beam, split-screen bi-stable storage, 20 | * [[5113]] Dual beam, split-screen bi-stable storage, 20 Div/µs writing rate | ||
* 5114 Aha!! Tektronix never made a 5114! Who knows why they skipped over it to the 5115? | * 5114 Aha!! Tektronix never made a 5114! Who knows why they skipped over it to the 5115? | ||
* [[5115]] Single beam, split-screen, bi-stable storage (>200 | * [[5115]] Single beam, split-screen, bi-stable storage (>200 Div/µs writing rate) | ||
* [[5116]] Single beam, tri-color display using a LCD shutter. | * [[5116]] Single beam, tri-color display using a LCD shutter. | ||
* [[5223]] Single beam, digital storage | * [[5223]] Single beam, digital storage | ||
* [[5440]] Single beam, non-storage | * [[5440]] Single beam, non-storage | ||
* [[5441]] Single beam, variable-persistence storage | * [[5441]] Single beam, variable-persistence storage | ||
* [[5444]] Full dual beam (independent horizontal deflection systems using the 5B44 timebase) | * [[5444]] Full dual beam (independent horizontal deflection systems using the [[5B44]] timebase) | ||
(Option 3 enhances the writing rates to 200 | (Option 3 enhances the writing rates to 200 Div/µs on most 5100-series storage | ||
mainframes.) | mainframes.) | ||
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5100-series and the high-frequency 5400-series. The 5100-series has a maximum | 5100-series and the high-frequency 5400-series. The 5100-series has a maximum | ||
mainframe bandwidth of 2 MHz and lower bandwidths may be inflicted with plug-ins | mainframe bandwidth of 2 MHz and lower bandwidths may be inflicted with plug-ins | ||
such as the 5A22N. The 5400-series has a maximum mainframe bandwidth of 60 MHz, | such as the [[5A22N]]. The 5400-series has a maximum mainframe bandwidth of 60 MHz, | ||
again this figure at the mercy of lower-bandwidth plug-ins. | again this figure is at the mercy of lower-bandwidth plug-ins. | ||
The lower-bandwidth plug-ins designed for the 5100-series (commonly referred to as | The lower-bandwidth plug-ins designed for the 5100-series (commonly referred to as | ||
“5100-series plug-ins) are the preamplifiers with suffix numbers of “2x” and lower, | “5100-series plug-ins) are the preamplifiers with suffix numbers of “2x” and lower, | ||
such as the 5A22N, 5A15N or 5A13N. | such as the [[5A22N]], [[5A15N]] or [[5A13N]]. Timebases for this series will have suffixes of | ||
“1x” and lower, such as 5B10N or 5B12N. In addition the 5CT1N semiconductor curve | “1x” and lower, such as [[5B10N]] or [[5B12N]]. In addition, the [[5CT1N]] semiconductor curve | ||
tracer, 5L4N spectrum analyzer and 5S14N sampling unit are available for use in | tracer, [[5L4N]] spectrum analyzer and [[5S14N]] sampling unit are available for use in | ||
this series. | this series. | ||
“N” at the end of any Tektronix model number indicates a unit that ''does not'' have | “N” at the end of any Tektronix model number indicates a unit that ''does not'' have | ||
on-screen readout capability. | on-screen readout capability. All of the low-bandwidth plug-ins carry that designation, | ||
low-bandwidth plug-ins, but for some reason, none of the 5100-series mainframes | but for some reason, none of the 5100-series mainframes | ||
ever have the “N” designation even though they have no readout capability. | ever have the “N” designation even though they have no readout capability. | ||
All 7000-series products without readout capability have this designation on | |||
everything: 7403N, 7603N, 7A18N, 7B53AN, etc. It is not known why the 5110, for | everything: [[7403N]], [[7603N]], [[7A18N], [[7B53AN]], etc. It is not known why the 5110, for | ||
instance, is not the 5110N. One must suppose that it's simply because | instance, is not the 5110N. One must suppose that it's simply because ''none'' of the | ||
mainframes ever have or can have readout capability. But this doesn't explain why | mainframes ever have or can have readout capability. But this doesn't explain why | ||
the low-bandwidth plug-ins, none of which have or can | the low-bandwidth plug-ins, none of which have or can ever have readout ''do'' have | ||
the “N” designation, with the exception of the 5A21 and 5A22 which have a readout | the “N” designation, with the exception of the [[5A21]] and [[5A22]] which have a readout | ||
option for use in the 5400-series mainframes. | option for use in the 5400-series mainframes. | ||
Three plug-ins of the 5000-series directly mirror “twins” in the 7000-series: the | Three plug-ins of the 5000-series directly mirror “twins” in the 7000-series: the | ||
5CT1N (7CT1N), 5A22N (7A22) and the 5A13N (7A13). Front panel layout and | [[5CT1N]] ([[7CT1N]]) curve tracer, [[5A22N]] ([[7A22]]) differential amplifier and the | ||
function | [[5A13N]] ([[7A13]]). Front panel layout and function | ||
of these “twins” are nearly identical, although the bandwidth of the 7A13 is | of these “twins” are nearly identical, although the bandwidth of the 7A13 is | ||
significantly higher than its 5K counterpart. 5100-series plug-ins may be used in | significantly higher than its 5K counterpart. | ||
5100-series plug-ins may be used in | |||
''any'' (5100- or 5400-series) mainframe in the 5K series. They will severely limit | |||
the bandwidth of the 5400-series, but they offer capabilities to the 5400-series | the bandwidth of the 5400-series, but they offer capabilities to the 5400-series | ||
that the series would otherwise not have, considering the function of the 5A13N, | that the series would otherwise not have, considering the function of the 5A13N, | ||
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The 5400-series has its own small set of plug-ins dedicated only to that series. | The 5400-series has its own small set of plug-ins dedicated only to that series. | ||
The 5400-series plug-ins absolutely | The 5400-series plug-ins absolutely '''cannot''' be used in the 5100-series and in fact, | ||
have interface connector keyways plugged to prevent them from being seated into a | have interface connector keyways plugged to prevent them from being seated into a | ||
5100-series compartment. | 5100-series compartment. ''These keyways must never be removed or altered.'' | ||
The 5400-series plug-ins are those that have suffixes of “3x” and larger for the | The 5400-series plug-ins are those that have suffixes of “3x” and larger for the | ||
preamps and “4x” and larger for the timebases. There are no other standard | preamps and “4x” and larger for the timebases. There are no other standard | ||
plug-ins that are not preamps or timebases for the 5400-series with the exception | plug-ins that are not preamps or timebases for the 5400-series with the exception | ||
of the 067-0680-00 mainframe normalizer calibration fixture. | of the [[067-0680-00]] mainframe normalizer calibration fixture. | ||
At this point, one may be curious and wonder | At this point, one may be curious and wonder why the 5400-series plug-ins cannot be | ||
used in the 5100-series mainframes. A close look at the interface connector on | used in the 5100-series mainframes. A close look at the interface connector on | ||
both series will show that the 5400-series has two extra power supply voltages, | both series will show that the 5400-series has two extra power supply voltages, | ||
±15 V on interface connector pins 6A and 6B. 5400-series plug-ins will not find those | ±15 V on interface connector pins 6A and 6B. 5400-series plug-ins will not find those | ||
two supply voltages in a 5100-series mainframe, so will not operate correctly. | two supply voltages in a 5100-series mainframe, so they will not operate correctly. | ||
Those two pins are otherwise unconnected in a 5100 scope and whether or not one | Those two pins are otherwise unconnected in a 5100 scope and whether or not one | ||
could modify one by building a bipolar 15-volt supply for those two pins and | could modify one by building a bipolar 15-volt supply for those two pins and | ||
actually get a 5400-series plug-in to work | actually get a 5400-series plug-in to work remains an unanswered but rather pointless question. | ||
== TM500-Series/5000-Series Compatibility == | == TM500-Series/5000-Series Compatibility == | ||
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OR BOTH. | OR BOTH. | ||
In the 5000-series, all power supply voltages are developed | |||
by the mainframe and supplied to the plug-ins as regulated voltages: + | by the mainframe and supplied to the plug-ins as regulated voltages: +5 V, ±15 V | ||
(5400-series) and | (5400-series) and ±30 V. There are no power supply circuits other than supply | ||
decoupling and small zener regulators in the plug-ins. | decoupling and small zener regulators in the plug-ins. | ||
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Some may think that this low bandwidth makes the 5100-series worthless. In | Some may think that this low bandwidth makes the 5100-series worthless. In | ||
reality, there are five things that make the 5100-series attractive | reality, there are five things that make the 5100-series attractive: | ||
# Those who work in the low-frequency arena of | |||
audio sound systems, LF and VLF radio, mechanical transducers, hearing aids, etc. | audio sound systems, LF and VLF radio, mechanical transducers, hearing aids, etc. | ||
will find the lack of HF noise in the 5100-series to be a blessing; | will find the lack of HF noise in the 5100-series to be a blessing; | ||
versatility of the 5100-series can be matched only by that of the 7000-series, and | # The plug-in versatility of the 5100-series can be matched only by that of the 7000-series, and | ||
then at a far higher price in cost and complexity; | then at a far higher price in cost and complexity; | ||
internal graticule and fine, sharp trace; | # A large display screen, internal graticule and fine, sharp trace; | ||
repair, usually involving no custom, complex and hard-to-find | # Simple and easy troubleshooting and repair, usually involving no custom, complex and hard-to-find | ||
[[:Category:Tektronix-made integrated circuits|Tektronix-made custom ICs]]; | |||
analyzer and the 5S14N sampling system give the 5100-series power that you can't | (5) Three nice plug-ins, the [[5CT1N]] semiconductor curve tracer, the [[5L4N]] audio spectrum | ||
analyzer and the [[5S14N]] sampling system give the 5100-series power that you can't | |||
find in any of Tek's portable scopes. The [[5S14]] increases the effective bandwidth | find in any of Tek's portable scopes. The [[5S14]] increases the effective bandwidth | ||
of the system to around 1 GHz. | of the system to around 1 GHz. | ||
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== Some Interesting Notes == | == Some Interesting Notes == | ||
The dual-beam [[5444]] was offered for sale for just one catalog year at $ | The dual-beam [[5444]] was offered for sale for just one catalog year at $3,330 and then | ||
was gone! The [[5B44]] was a plug-in developed for the 5444 to allow access to BOTH | was gone! The [[5B44]] was a plug-in developed for the 5444 to allow access to BOTH | ||
sets of horizontal deflection plates for full dual beam operation similar to the | sets of horizontal deflection plates for full dual beam operation similar to the | ||
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stayed for a full five years, even though the 5444 was the only scope in which it | stayed for a full five years, even though the 5444 was the only scope in which it | ||
would work correctly. By the time it was deleted from the catalog, the price had | would work correctly. By the time it was deleted from the catalog, the price had | ||
risen to $ | risen to $1,020. It would be a good story to hear. | ||
The [[5CT1N|5CT1N semiconductor curve tracer]] was introduced in the 1972 catalog and the | The [[5CT1N|5CT1N semiconductor curve tracer]] was introduced in the 1972 catalog and the | ||