Difference between revisions of "11A81"

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{{Plugin Sidebar 2 |
{{Plugin Sidebar  
title=Tektronix 11A81 |
summary=3 GHz vertical amplifier plug-in |
|series=11000-series scopes
image=Tek 11a81.jpg |
caption=Tektronix 11A81 |
|summary=3 GHz vertical amplifier plug-in  
series=[[11403A]]/[[CSA404]] |
|image=Tek 11a81.jpg  
introduced=(?) |
|caption=Tektronix 11A81  
discontinued=(?) |
|designers=Murlan Kaufman
* [[Media:070-8148-00.pdf|Tektronix 11A81 Service Reference (PDF, OCR)]]
* [[Media:070-8148-00.pdf|Tektronix 11A81 Service Reference (PDF, OCR)]]
* [[Media:Tektronix 11k plugin NVRAM replacement.pdf|Tektronix 11k Plug-in NVRAM Replacement (PDF)]]
* [[Media:Tektronix 11k plugin NVRAM replacement.pdf|Tektronix 11k Plug-in NVRAM Replacement (PDF)]]

Revision as of 12:53, 13 August 2021

Tektronix 11A81
3 GHz vertical amplifier plug-in
Tektronix 11A81

Compatible with 11000-series scopes

Produced from (?) to (?)


Manuals – Specifications – Links – Pictures

The Tektronix 11A81 is a 3 GHz single-channel sampler/amplifier plug-in for the 11403A and the CSA404. The 11A81 receives an "acquisition strobe" signal from the mainframe, and samples the input signal. The sampled signal is fed to the mainframe, where it is digitized and displayed. This architecture allows the 11A81 to provide higher bandwidth than the 11k plug-in to mainframe signal path.

Development of the 11A81 was managed by Murlan Kaufman.

A 165-2448-00 (U950) diode bridge IC is used for over-voltage protection. A 165-2392-00 (U650) H2392 sampling bridge performs the sampling.

Key Specifications

Bandwidth DC to 3 GHz (in 11403A/CSA404 only)
Rise time < 130 ps
Deflection 10 mV to 1V per division
Input impedance 50 Ω