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{{Plugin Sidebar 2| | {{Plugin Sidebar 2 | | ||
title=Tektronix 7M11| | title=Tektronix 7M11 | | ||
summary=Dual Delay Line| | summary=Dual Delay Line | | ||
image=Tek 7m11 front.jpg| | image=Tek-7m11-front.jpg | | ||
caption=7M11 front panel| | caption=7M11 front panel | | ||
introduced=1970 | | introduced=1970 | | ||
discontinued=1988 | | discontinued=1988 | | ||
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}} | }} | ||
The Tektronix 7M11 is a plug-in which contains two independent | The Tektronix 7M11 is a plug-in which contains two independent 50 Ω analog delay lines with 75 ns each. | ||
Rise time is specified as 175 ps maximum, and attenuation is fixed at 2:1. | |||
A separate trigger output is available to eliminate an external power splitter. Signal through the trigger pick-off output is attenuated by a factor of five. Delay line connections are | A separate trigger output is available to eliminate an external power splitter. Signal through the trigger pick-off output is attenuated by a factor of five. Delay line connections are 50 Ω [[Connectors#GR-874|GR-874]], trigger pickoff is through a BNC connector at 5:1 attenuation (line 1 or 2 switch selectable). | ||
The maximum signal allowed is +/- 5V. | The maximum signal allowed is +/- 5V. | ||
The mass of the 7M11 about 2.5 kg, so be careful when sliding it into the slot. | The mass of the 7M11 about 2.5 kg (5.5 lb), so be careful when sliding it into the slot. | ||
(Generally, Tektronix specifies not to ship mainframes with inserted plug-ins, to protect the bus connectors!) | (Generally, Tektronix specifies not to ship mainframes with inserted plug-ins, to protect the bus connectors!) | ||
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==Links== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/7M11.html 7M11 | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_special/7M11.html Tek 7M11 @ amplifier.cd] | ||
* [http://www.barrytech.com/tektronix/tek7000/tek7m11.html Tek 7M11 @ barrytech.com] | |||
* [http://www.analogdesign.be/vintage-gear/tektronix-7m11-delay-line Tek 7M11 @ analogdesign.be] | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
File:Tek 7m11 front.jpg | Front | File:Tek-7m11-front.jpg | Front | ||
File:Tek 7m11 right.jpg | Right side | File:Tek-7m11-right.jpg | Right side | ||
File:Tek-7m11-fr.jpg | front components detail, right side | |||
File:Tek-7m11-fl.jpg | front components detail, left side | |||
File:7M11.jpg | In this specimen, the GR874 connectors were replaced by BNC connectors of adequate quality | |||
</gallery> | </gallery> | ||