[Ronja] Rx output question

Karel Kulhavy twibright at hispeed.ch
Thu Nov 5 14:42:43 GMT 2009


Hi,

---- mohamad al-jamal <mohammadaj at gmail.com> schrieb:
> Hi everyone
> 
> it seems to me that the output of the inferno Rx , and the 10M  as well , is
> DC coupled !! i have looked at the schematics up and down , right and left ,

Output of the Inferno RX is AC coupled through C177 and C178.

Regards,

Karel

> i have even run a simulation , and OrCAD seems to agree with me , it is DC
> coupled !! i have though about it for long , and i figured that if it was to
> be AC coupled ; the only way to do it without using a coaxial driver is to
> let the output be single ended , therefore the ground plane will be
> connected to the twister , in this case it will act as an antenna , and pick
> up all kind of noise from all around the world !! am i correct , or have i
> missed up !?




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