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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=High-current test fixture | | |series=576 | ||
image=Tek-176-3q.jpg | | |type=176 | ||
caption=Tektronix 176 high-current test fixture | | |summary=High-current test fixture | ||
introduced=(?) | | |image=Tek-176-3q.jpg | ||
discontinued=(?) | | |caption=Tektronix 176 high-current test fixture | ||
|introduced=(?) | |||
manuals= | |discontinued=(?) | ||
* [ | |designers=Jim Knapton; | ||
|manuals= | |||
* [[Media:070-1073-00.pdf|Tektronix 176 Manual]] (OCR, PDF) | |||
* [http://w140.com/tek_176_1971_cat.pdf Tektronix 176 Description in 1971 Catalog (PDF)] | * [http://w140.com/tek_176_1971_cat.pdf Tektronix 176 Description in 1971 Catalog (PDF)] | ||
}} | }} | ||
The '''Tektronix 176''' is a pulsed high-current test fixture for the model [[576]] curve tracer. | The '''Tektronix 176''' is a pulsed high-current test fixture for the model [[576]] curve tracer. | ||
The 176 can be considered a more modern replacement for the [[175]]. | The 176 can be considered a more modern replacement for the [[175]]. Both can supply collector currents up to 200 A. | ||
Both can supply collector currents up to 200 A. | |||
The 175 uses a rectified mains-frequency transformer secondary current to supply the collector current to the device under test. | The 175 uses a rectified mains-frequency transformer secondary current to supply the collector current to the device under test. | ||
In contrast, the 176 supplies the collector current by passing stored charge through an SCR. | In contrast, the 176 supplies the collector current by passing stored charge through an SCR. | ||
This pulsed technique allows the 176 to measure points far from the origin of the I-V curve while | This pulsed technique allows the 176 to measure points far from the origin of the I-V curve while keeping the instrument compact and light and the minimizing thermal effects in the device under test. | ||
keeping the instrument compact and light and the minimizing thermal effects in the device under test. | |||
The 176 weighs 13 pounds (6 kg), whereas the 175 weighs 84 pounds (38 kg. | The 176 weighs 13 pounds (6 kg), whereas the 175 weighs 84 pounds (38 kg). | ||
The 176 has a cooling fan, as does the 175 (for different reasons). | The 176 has a cooling fan, as does the 175 (for different reasons). | ||
{{ | {{BeginSpecs}} | ||
{{Spec | Collector Sweep Ranges | | |||
* 15 V / 200 A | |||
* 75 V / 40 A | |||
* 350V / 8 A}} | |||
{{Spec | Power Limits | 1000 W, 100 W, and 10 W}} | |||
{{Spec | Pulse Width | 300 μs, 80 μs}} | |||
{{Spec | Risetime| 80 μs}} | |||
{{Spec | Falltime| 10 μs}} | |||
{{Spec | Vertical Display Collector Current Range | 0.1 μA/division to 20 A/division in 1-2-5 sequence }} | |||
{{Spec | Vertical Display Accuracy 2 A to 20 A| Within 3% of on-screen value}} | |||
{{Spec | Max. Base Current Step Generator Output | 20 A}} | |||
{{EndSpecs}} | |||
==Pictures== | ==Pictures== | ||
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[[Category:Introduced in 1971]] | [[Category:Introduced in 1971]] | ||
[[Category:Curve tracers]] | [[Category:Curve tracers]] | ||
[[Category: | [[Category:Curve tracer plugins]] |