7M11: Difference between revisions

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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 50 Ohm analog delay lines with 75 ns each.  
The Tektronix 7M11 is a plug-in which contains two independent 50 Ω analog delay lines with 75 ns each.  
Risetime is specified as 175 ps maximum, and attenuation is fixed at two.  
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 50-ohm [[Connectors#GR-874|GR-874]], trigger pickoff is through a BNC connector.
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 page @ amplifier.cd]
* [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
Image:7M11.jpg|Connectors were changed to BNC of adequate quality
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>



Revision as of 11:36, 30 April 2015

Template:Plugin Sidebar 2

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 50 Ω 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 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!)

Because it is completely passive and has no bus contacts, the 7M11 can be operated outside of the mainframe on the desk, freeing a slot for another plug-in.

Key Specifications

Delay 75 ns (each channel)
Rise time 185 ps
Attenuation 2:1 (6 dB), main outputs / 5:1 (14 dB), trigger pick-off
Input voltage +/- 5 V, max.
Weight 2.6 kg (!)

Links

Pictures