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zir_green
Joined: 21 Feb 2009
Posts: 2
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 21 Feb 2009 12:33 directional coupler design |
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hi everybody i am new
found this forum , and i am happy that i have found it
currently i am doing my graduation project
with the use of labview , a signal generator and a scope i made a procedure where it
founds i the frequency response of the DUT/UUT currently cable
now i finished it work quite well
now i have to convert this system to a Network Analyzer where i need to make probably 2 directional couplers
to seperate V1+ V1- V2+ V2-
the connectorsof the coupler will be BNC
for the frequency range 250kHz - 1GHz
i i will plot the s parameters
we have a SMT machine where i can use it to produce my directional couplers (probably microstrip ) in PCB
but i dont know how to make the couplers
does anyone have a knowledge how to start this
or a way o doing this
do i need a software?
thx
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VSWR
Joined: 07 Feb 2002
Posts: 767
Helped: 72
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21 Feb 2009 18:10 coupler design |
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| http://www.microwaves101.com/encyclopedia/couplers.cfm
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zir_green
Joined: 21 Feb 2009
Posts: 2
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21 Feb 2009 18:23 design a directional coupler |
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ok its a heplfull URL
where the theory of this couplers are written
it would be nice write some more
haven seen any tools for designing a coupler
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