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* [[Media:070-237.pdf|Tektronix P6016 manual]] (includes 131 schematics) | * [[Media:070-237.pdf|Tektronix P6016 manual]] (includes 131 schematics) | ||
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The '''Tektronix Type 131''' is a current probe amplifier used only with the [[P6016]] | The '''Tektronix Type 131''' is a current probe amplifier used only with the [[P6016]] current probe. Type 131s were never given serial numbers, instead, they were produced chronologically in "Models." Models 1 thru 3 looked alike, while Model 4 got a redesigned enclosure like that used later by the Type 134. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Sensitivity | 1 mA/Div to 1 A/Div, | {{Spec | Sensitivity | 1 mA/Div to 1 A/Div, 1−2−5 (scope input fixed at 50 mV/Div) }} | ||
{{Spec | Noise | 0.1 mA<sub>p-p</sub> }} | {{Spec | Noise | 0.1 mA<sub>p-p</sub> }} | ||
{{Spec | Risetime | 20 ns (eq. 17 MHz | {{Spec | Risetime | 20 ns (eq. 17 MHz −3 dB bandwidth)}} | ||
{{Spec | Lower frequency limit | 50 Hz }} | {{Spec | Lower frequency limit | 50 Hz }} | ||
{{Spec | Delay time | 32 ns typ. }} | {{Spec | Delay time | 32 ns typ. }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
(all specifications are overall values including the P6016 probe) | (all specifications are overall values including the P6016 probe) | ||
==Connectors== | |||
All models of the 131 use a [[BNC]] input connector. | |||
The vast majority of 131s, including all the Models 1 thru 3, have a [[UHF]] output connector. 131 Model 4s with [[UHF]] outputs were Tektronix #015-0029-00. | |||
A few very late 131 Model 4s were supplied with a locking [[BNC]] output connector, as Tektronix #015-0050-00. | |||
==Internals== | ==Internals== | ||
All four Type 131 | All four Type 131 models used PNP transistors, thus requiring a negative power source. Models 1 thru 3 were hard-wired to their separate minus ~19 V power supplies, while Model 4 got a power supply, [[015-027]] for 115 V<sub>AC</sub>, with a proprietary Tektronix coaxial connector. While the Type [[134]] uses the same coaxial power supply connector, the power supplies are not interchangeable. So the Type 131 Model 4 will only work with the correct [[015-027]] power supply. | ||
See the Type 131 [[015-027 | power supply page ]] for more information. | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek_p6016_131_3.jpg | Type 131 Model 3 Front | Tek_p6016_131_3.jpg | Type 131 Model 3 Front | ||
Tek_p6016_131_2.jpg | Type 131 Model 3 with P6016 | Tek_p6016_131_2.jpg | Type 131 Model 3 with P6016 | ||
Tek 131 early 1.jpg|Type 131 Model 3, with attached power supply | Tek 131 early 1.jpg|Type 131 Model 3, with attached power supply | ||
Tek 131 early 2.jpg|Type 131 Model 3 | Tek 131 early 2.jpg|Type 131 Model 3, with UHF to BNC adaptor | ||
Tek 131 early 3.jpg|Type 131 Model 3 | Tek 131 early 3.jpg|Type 131 Model 3 | ||
Tek 131 early 4.jpg|Type 131 Model 3 | Tek 131 early 4.jpg|Type 131 Model 3 | ||
| Line 46: | Line 49: | ||
Tek 131 early 6.jpg|Type 131 Model 3 | Tek 131 early 6.jpg|Type 131 Model 3 | ||
Tek 131 early 7.jpg|Type 131 Model 3 | Tek 131 early 7.jpg|Type 131 Model 3 | ||
Tek 131 schem.png|Type 131 Schematic, Models 1-3 | |||
Tek 131 front.jpg | Type 131 Model 4 Front | |||
Tek 131 side.jpg | Type 131 Model 4 Side View | |||
</gallery> | </gallery> | ||
[[Category:Oscilloscope current probes]] | [[Category:Oscilloscope current probes]] | ||
Latest revision as of 20:44, 5 April 2023
The Tektronix Type 131 is a current probe amplifier used only with the P6016 current probe. Type 131s were never given serial numbers, instead, they were produced chronologically in "Models." Models 1 thru 3 looked alike, while Model 4 got a redesigned enclosure like that used later by the Type 134.
Key Specifications
| Sensitivity | 1 mA/Div to 1 A/Div, 1−2−5 (scope input fixed at 50 mV/Div) |
|---|---|
| Noise | 0.1 mAp-p |
| Risetime | 20 ns (eq. 17 MHz −3 dB bandwidth) |
| Lower frequency limit | 50 Hz |
| Delay time | 32 ns typ. |
(all specifications are overall values including the P6016 probe)
Connectors
All models of the 131 use a BNC input connector.
The vast majority of 131s, including all the Models 1 thru 3, have a UHF output connector. 131 Model 4s with UHF outputs were Tektronix #015-0029-00.
A few very late 131 Model 4s were supplied with a locking BNC output connector, as Tektronix #015-0050-00.
Internals
All four Type 131 models used PNP transistors, thus requiring a negative power source. Models 1 thru 3 were hard-wired to their separate minus ~19 V power supplies, while Model 4 got a power supply, 015-027 for 115 VAC, with a proprietary Tektronix coaxial connector. While the Type 134 uses the same coaxial power supply connector, the power supplies are not interchangeable. So the Type 131 Model 4 will only work with the correct 015-027 power supply.
See the Type 131 power supply page for more information.
Pictures
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Type 131 Model 3 Front
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Type 131 Model 3 with P6016
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Type 131 Model 3, with attached power supply
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Type 131 Model 3, with UHF to BNC adaptor
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Type 131 Model 3
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Type 131 Model 3
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Type 131 Model 3
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Type 131 Model 3
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Type 131 Model 3
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Type 131 Schematic, Models 1-3
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Type 131 Model 4 Front
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Type 131 Model 4 Side View
