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Wes[_2_] November 14th 08 08:55 PM

Bending rectangular copper waveguides
 
Jim Wilkins wrote:

Avoid them if possible. Semirigid coax and SMA connectors work to at
least 20 GHz.


Are we speaking of the same types of applications? The radar in a Phantom F4J / S used
wave guide both on the transmit and receive side.

Btw, it is not pretty if you lose pressurization at altitude while radiating and don't
forget to change the desiccant / dehydrator.

Wes

Jim Wilkins November 14th 08 11:14 PM

Bending rectangular copper waveguides
 
On Nov 14, 3:55*pm, Wes wrote:
Jim Wilkins wrote:
Avoid them if possible. Semirigid coax and SMA connectors work to at
least 20 GHz.


Are we speaking of the same types of applications? *The radar in a Phantom F4J / S used
wave guide both on the transmit and receive side. * *

Wes


Probably not. I built radios, 50W max.

[email protected] November 15th 08 03:37 PM

Bending rectangular copper waveguides
 
On Nov 14, 6:14*pm, Jim Wilkins wrote:
On Nov 14, 3:55*pm, Wes wrote:

Jim Wilkins wrote:
Avoid them if possible. Semirigid coax and SMA connectors work to at
least 20 GHz.


Are we speaking of the same types of applications? *The radar in a Phantom F4J / S used
wave guide both on the transmit and receive side. * *


Wes


Probably not. I built radios, 50W max.



Without a drawing showing dimensions and tolerances it is impossible
to answer this question, since the required geometry and tolerances
determine the process. Consider the tolerances on a shaft as being .
0001" or .008" on diameter. It does affect the choice of machining
process, right?

Wolfgang


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