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* [http://w140.com/mmm/tek-r.pdf Tektronix Type R Manual (PDF)]
* [http://w140.com/mmm/tek-r.pdf Tektronix Type R Manual (PDF)]
* [http://bama.edebris.com/manuals/tek/r/ Tektronix Type R Manual (BAMA, offline?)]
* [http://bama.edebris.com/manuals/tek/r/ Tektronix Type R Manual (BAMA, offline?)]
* [http://w140.com/tek_fcp/tek_type_r_factory_cal_proc.pdf Tektronix Type R Factory Calibration Procedure (PDF)]
<!-- * [http://w140.com/tek_fcp/tek_type_r_factory_cal_proc.pdf Tektronix Type R Factory Calibration Procedure (PDF)] -->
* [[Media:tek_type_r_fcp.pdf|Tektronix Type R Factory Calibration Procedure (PDF, OCR)]]
}}
}}
The '''Tektronix Type R''' is a plug-in for [[500-series scopes]].
The '''Tektronix Type R''' is a plug-in for [[500-series scopes]].
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==Pictures==
==Pictures==
<gallery>
<gallery>
Type_r_with_adapters.jpg
Type_r_with_adapters.jpg|Type R plug-in with fixtures
Tek type r front.jpg
Tek type r front.jpg
Tek r left.jpg
Tek r left.jpg
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Tek r late 5.jpg|Late serial number Type R
Tek r late 5.jpg|Late serial number Type R
Tek r late 6.jpg|Late serial number Type R
Tek r late 6.jpg|Late serial number Type R
Tek type r with 386-852.jpg|Type R with 386-852
Tek type r fixtures.png|386-852, 386-853, 386-854, 386-855, 386-856, and 386-857 fixtures for use with Type R.
</gallery>
</gallery>


[[Category:500 series plugins]]
[[Category:500 series plugins]]

Revision as of 17:33, 25 November 2018

Template:Plugin Sidebar 2 The Tektronix Type R is a plug-in for 500-series scopes. It is designed to measure risetime of a NPN and PNP transistors, but it works well with FETs as well.

Type R can operate in grounded-emitter or grounded-base configurations. In the grounded-emitter configuration, it provides a variable collector voltage through a collector resistor which is used to sense the collector current. It provides a base bias voltage and a base pulse signal, fed to the base of the transistor through a resistor. The base pulse is generated by a mercury switch and its rise time is specified to be less than 5 nanoseconds. Base and collector bias conditions can be set independently.

The collector signal is AC-coupled to an amplifier whose output is fed to the oscilloscope. The Type R has its own on-board low-voltage, high-current regulated power supplies which feature germanium power transistors.

Type R was introduced in 1958, along with the 551, 533, and 543 mainframes, and the Type H plug-in. It is the first plug-in with transistors. It was dropped after 1966.

Pictures