All times are UTC+02:00




Post new topic  Reply to topic  [ 5 posts ] 
Author Message
 Post subject: Individual Filter Order
PostPosted: Sun Apr 22, 2012 5:50 am 
User avatar

Joined: Wed Jun 16, 2010 4:30 pm
Posts: 600
Location: Buenos Aires, Argentina
Having a control of order to the low pass filter and one for the highpass filter, since the former can be used a low-order and second normally used a higher order.

tnks ;)

_________________
by GAP
"Less is More" (Bob Katz)


Top
   
PostPosted: Sun Apr 22, 2012 9:06 am 
Site Admin
User avatar

Joined: Mon Mar 17, 2008 1:40 am
Posts: 11238
Currently the LPF is programmed in a different way and it doesn't really have an order. So the control only works for the HPF. Do you want a steeper or less steep LPF? And if so, could you please tell me why?


Top
   
PostPosted: Sun Apr 22, 2012 3:56 pm 
User avatar

Joined: Wed Jun 16, 2010 4:30 pm
Posts: 600
Location: Buenos Aires, Argentina
ok, I thought the adjustment was for both.
Now I have more clear.
To my taste the LPF, should have a little more pronuciada pediente, but the current is not bad.

Thanks Hans! ;)

_________________
by GAP
"Less is More" (Bob Katz)


Top
   
PostPosted: Sun Apr 22, 2012 11:43 pm 
User avatar

Joined: Tue Mar 17, 2009 2:56 pm
Posts: 4183
pronunciada pendiente = steep

LPF is already VERY steep!

HPF: Depend on what is used, non-phase linear or phase linear HPF. Non phase linear is already very steep and also have order settings, so i guess you mean on phase linear HPF.
With aditional checkbox filters is steeper but there is also another difference. Phase linear HPF filter is placed after MB and non phase linear HPF is placed before AGC. LPF is in both cases placed after MB.


Top
   
PostPosted: Mon Apr 23, 2012 10:46 pm 
User avatar

Joined: Wed Jun 16, 2010 4:30 pm
Posts: 600
Location: Buenos Aires, Argentina
Quote:
pronunciada pendiente = steep
Correct!, sorry. :D
Quote:
LPF is already VERY steep!
That order or db / octave has?
Quote:
HPF: Depend on what is used, non-phase linear or phase linear HPF. Non phase linear is already very steep and also have order settings, so i guess you mean on phase linear HPF.
With aditional checkbox filters is steeper but there is also another difference. Phase linear HPF filter is placed after MB and non phase linear HPF is placed before AGC. LPF is in both cases placed after MB.
My confusion comes because I thought the order was applied to the filter LPF and HPF, now clear to me no and it depends on what the filter applied in one place or another.

I think it would be good to choose the slope of any of the HPF and that instead of being a graduate of "order" is in dB / octave.
If I remember correctly, is 6 db / octave for each order, can it be?

Bojcha Thanks for the clarification. ;)

_________________
by GAP
"Less is More" (Bob Katz)


Top
   
Display posts from previous:  Sort by  
Post new topic  Reply to topic  [ 5 posts ] 

All times are UTC+02:00


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Limited