e.org] On Behalf Of Powell, Doug
Sent: Thursday, July 14, 2011 11:06 AM
To: Price, Edward; oconne...@tamuracorp.com; Emc-Pstc (E-mail)
Subject: RE: bulkhead feedthrough for chamber
Grounded coaxial connectors on penetrations panels is always a good idea.
Same with filtered D-SUB and so on. But gett
Doug
Sent: Thursday, July 14, 2011 11:06 AM
To: Price, Edward; oconne...@tamuracorp.com; Emc-Pstc (E-mail)
Subject: RE: bulkhead feedthrough for chamber
Grounded coaxial connectors on penetrations panels is always a good idea.
Same with filtered D-SUB and so on. But getting every flavor
14, 2011 11:06 AM
To: Price, Edward; oconne...@tamuracorp.com; Emc-Pstc (E-mail)
Subject: RE: bulkhead feedthrough for chamber
Grounded coaxial connectors on penetrations panels is always a good idea.
Same with filtered D-SUB and so on. But getting every flavor can be a
problem. An alternative
Grounded coaxial connectors on penetrations panels is always a good idea.
Same with filtered D-SUB and so on. But getting every flavor can be a
problem. An alternative is pipes. Study circular waveguide operating below
cutoff for correct sizing of a pipe. For a 1 MHz chamber, I design the pipe
Brian:
I use an isolated feedthrough only as necessary, that is, only if it improves
the noise floor and only across that frequency range where it might help.
Typically, I use my isolated feedthrough only in the 20 Hz through about 5 kHz
range.
I have a type BNC isolated, female/female bulk
I'd think some conducting disks cut for the bulkhead connector, with a good
dielectric between them and the bulkhead, could work, You would of course
need to bore the hole large enough to insule around the connector. What is
the highest frequency you need to isolate? That'll determine the amount
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