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Revision as of 02:00, 4 July 2015

98 bytes removed ,  4 July 2015
→‎Peltola
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==Peltola==
==Peltola==
Peltola connectors are used extensively inside 7000-series scopes and plug-ins. 
[[File:peltola-connector-drawing.jpg | 250px|thumb|right|schematic drawing of Peltola connector components]]
The main signal path in all 7000-series scopes is 50-ohm differential, and Peltola connectors are used for almost all inter-board signal wiring.
The Peltola coaxial connector was developed by [[Ron Peltola]] at Tektronix for in-house use.
These connectors are used extensively inside 7000-series scopes for all coaxial inter-board  
signal wiring and plug-ins as well as in some other instruments of the era.


The Tektronix website says the following about Peltola connectors:
According to the Tektronix website,


<blockquote>
<blockquote>
The Peltola connector was developed for in-house use by Tektronix (and developed by Ron Peltola).
However, the pieces to make the connector are these:
The Male coaxial connector consists of the RG-174 coax center conductor as the male pin, with the braided shield pressed between two eyelets, part number 210-0775-00 (smaller one) and part number 210-0774-00 (larger one). The outer eyelet is then "dimpled" to secure the eyelet-shield-eyelet combination.
The Male coaxial connector consists of the RG-174 coax center conductor as the male pin, with the braided shield pressed between two eyelets, part number 210-0775-00 (smaller one) and part number 210-0774-00 (larger one). The outer eyelet is then "dimpled" to secure the eyelet-shield-eyelet combination.


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(See also [https://www.google.com/patents/US3742425 US Patent 3742425].)
(See also [https://www.google.com/patents/US3742425 US Patent 3742425].)


Note that the shield may be at a non-ground potential. For example, the two connections between the interface board & readout board on the 7834 have their shields connected to the +15v rail.  
Note that the shield may be at a non-ground potential. For example, the two connections between the interface board & readout board on the 7834 have their shields connected to the +15&nbsp;V rail.  


<gallery>
<gallery>
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File:Peltola-connector-side.jpg | Side view
File:Peltola-connector-side.jpg | Side view
File:Peltola-connector-tip.jpg | Tip
File:Peltola-connector-tip.jpg | Tip
File:peltola-connector-drawing.jpg | schematic drawing of components
</gallery>
</gallery>


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