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5CT1N: Difference between revisions
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|introduced=1972 | |introduced=1972 | ||
|discontinued=1988 | |discontinued=1988 | ||
|designers= | |designers=Matt Zimmerman | ||
|manuals= | |manuals= | ||
* [[Media:070-1246-00.pdf|Tektronix 5CT1N Manual]] | * [[Media:070-1246-00.pdf|Tektronix 5CT1N Manual]] | ||
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}} | }} | ||
The '''Tektronix 5CT1N''' is a curve tracer plug-in for the 5000 series oscilloscopes, similar to the [[7CT1N]] for [[7000-series scopes]]. | The '''Tektronix 5CT1N''' is a curve tracer plug-in for the 5000 series oscilloscopes, similar to the [[7CT1N]] for [[7000-series scopes]]. | ||
The 5CT1N was designed by [[Matt Zimmerman]]. | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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* peak power 500 mW}} | * peak power 500 mW}} | ||
{{Spec | DUT current display | | {{Spec | DUT current display | | ||
* | * 10 μA/Div to 20 mA/Div, 1−2−5 steps (x 1 mode) | ||
* | * 10 nA/Div to 20 μA/Div, 1−2−5 steps (x 1000 mode)}} | ||
{{Spec | Base/Gate drive | | {{Spec | Base/Gate drive | | ||
* 0 to at least 10 steps | * 0 to at least 10 steps | ||
* dual polarity | * dual polarity | ||
* variable offset, at least +/ | * variable offset, at least +/− 5 steps | ||
* current mode: | * current mode: 1 μA/Step to 1 mA/Step in 1−2−5 sequence | ||
* voltage mode: 1 mV/Div to 1 V/Div in | * voltage mode: 1 mV/Div to 1 V/Div in 1−2−5 sequence, 1 kΩ current limit | ||
}} | }} | ||
{{Spec | DUT connection | Three 4 mm jacks / binding posts}} | {{Spec | DUT connection | Three 4 mm jacks / binding posts}} | ||
{{Spec | DUT adapters | | |||
* [[013-0072-00]] Axial diodes | |||
* [[013-0069-00]] Devices with long leads | |||
* [[013-0070-01]] Transistors in TO-3 or TO-66 cases | |||
* [[013-0074-00]] Transistors with stud leads | |||
* [[013-0110-00]] Diodes with stud leads | |||
* [[013-0112-00]] Transistors in TO-36 cases | |||
* [[013-0128-00]] Transistors in TO-5 or TO-18 | |||
}} | |||
{{EndSpecs}} | {{EndSpecs}} | ||
==Links== | ==Links== | ||
* [ | * [[Matt Zimmerman]], ''Oscilloscope to Curve Tracer with one Plug-in.'' [[Media:Tekscope_1972_V4_N6_Nov_1972.pdf|Tekscope Vol. 4 No. 6, Nov 1972]], p.7 | ||
* [http://www.ke5fx.com/A_VTCT_Adapter_for_All_Tektronix_SCTs_W7PF.pdf Dennis Tillman: An Inexpensive Vacuum Tube Curve Tracer Adapter for All Tektronix Semiconductor Curve Tracers] | * [http://www.ke5fx.com/A_VTCT_Adapter_for_All_Tektronix_SCTs_W7PF.pdf Dennis Tillman: An Inexpensive Vacuum Tube Curve Tracer Adapter for All Tektronix Semiconductor Curve Tracers] | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
5440.jpg | | 5440.jpg | 5CT1N in [[5440]] mainframe vertical bay, X output connected to time base X input | ||
Tek-5ct1_in_use.jpg| Displaying transistor curves | Tek-5ct1_in_use.jpg| Displaying transistor curves | ||
Tek 5ct1n f1.JPG | Tek 5ct1n f1.JPG | ||
| Line 49: | Line 59: | ||
5CT1N 7CT1N Basic Measurement Reference Chart.jpg | 5CT1N 7CT1N Basic Measurement Reference Chart.jpg | ||
</gallery> | </gallery> | ||
==Common Problems== | ==Common Problems== | ||
C30 and C32 (100 μF, 25 V) [http://hakanh.com/dl/docs/hardtofind/CT1N.pdf are under-rated] and therefore have a tendency to leak or short, | C30 and C32 (100 μF, 25 V) [http://hakanh.com/dl/docs/hardtofind/CT1N.pdf are under-rated] and therefore have a tendency to leak or short, | ||
causing associated resistors R30 and R32 ( | causing associated resistors R30 and R32 (240 Ω, 0.25 W, 5%) to overheat and fail. | ||
C30 and C32 should be replaced with modern equivalents rated above 35 V. | C30 and C32 should be replaced with modern equivalents rated above 35 V. | ||