Jump to content


Welcome to DBSTalk


Sign In 

Create Account
Welcome to DBSTalk. Our community covers all aspects of video delivery solutions including: Direct Broadcast Satellite (DBS), Cable Television, and Internet Protocol Television (IPTV). We also have forums to discuss popular television programs, home theater equipment, and internet streaming service providers. Members of our community include experts who can help you solve technical problems, industry professionals, company representatives, and novices who are here to learn.

Like most online communities you must register to view or post in our community. Sign-up is a free and simple process that requires minimal information. Be a part of our community by signing in or creating an account. The Digital Bit Stream starts here!
  • Reply to existing topics or start a discussion of your own
  • Subscribe to topics and forums and get email updates
  • Send private personal messages (PM) to other forum members
  • Customize your profile page and make new friends
 
Guest Message by DevFuse

Photo

Band Stop Filter before every Legacy?


  • Please log in to reply
6 replies to this topic

#1 OFFLINE   Satellite Samurai

Satellite Samurai

    Cool Member

  • Registered
  • 24 posts
Joined: Oct 10, 2008

Posted 18 May 2010 - 06:27 AM

Looking to install a DECA system, and I was wondering if it is necessary to install a Band Stop Filter before every receiver that is not DECA Compatible.

Any help is appreciated. :grin:

...Ads Help To Support This SIte...

#2 OFFLINE   jodyguercio

jodyguercio

    Hall Of Fame

  • Registered
  • 2,793 posts
Joined: Aug 16, 2007

Posted 18 May 2010 - 06:34 AM

http://www.solidsign...Components&sku=
A veteran - whether active duty, retired, national guard or reserve - is someone who, at one point in his life, wrote a blank check made payable to "The United States of America", for an amount of "up to and including my life." That is honor, and there are way too many people in this country who no longer understand it. -- Author Unknown

LIVE SIMPLE, LOVE GENEROUSLY , CARE DEEPLY, SPEAK KINDLY AND LEAVE THE REST TO GOD

#3 OFFLINE   CuriousG

CuriousG

    Mentor

  • Registered
  • 42 posts
Joined: Nov 23, 2006

Posted 18 May 2010 - 06:43 AM

Looking to install a DECA system, and I was wondering if it is necessary to install a Band Stop Filter before every receiver that is not DECA Compatible.


By "not DECA compatible", I'm assuming you mean does not have DECA built in, as with the HR24. If that is what you mean, ASAIK, only the HR20-100 needs the BSF installed. All other compatible receivers only use one satellite input port for a SWM/DECA install.

#4 OFFLINE   Satellite Samurai

Satellite Samurai

    Cool Member

  • Topic Starter
  • Registered
  • 24 posts
Joined: Oct 10, 2008

Posted 18 May 2010 - 07:02 AM

By "not DECA compatible", I'm assuming you mean does not have DECA built in, as with the HR24. If that is what you mean, ASAIK, only the HR20-100 needs the BSF installed. All other compatible receivers only use one satellite input port for a SWM/DECA install.


I actually mean not DECA compatible as in, does not work with the DECA System, or a legacy receiver. Let's Say a D12, would that need a band stop filter?

#5 OFFLINE   dwcolvin

dwcolvin

    Icon

  • Registered
  • 668 posts
Joined: Oct 04, 2007

Posted 18 May 2010 - 07:21 AM

Looking to install a DECA system, and I was wondering if it is necessary to install a Band Stop Filter before every receiver that is not DECA Compatible.

Any help is appreciated. :grin:


I'm assuming here you might be doing some kind of hybrid system (like I have)... some Ethernet-connected and some DECA-connected HD receivers... all pre-Hx24 tuners need to be isolated from the 500-600 MHz DECA frequencies. This is done by either a Band Stop Filter (i.e., if the HD receiver is Ethernet connected or for SD receivers) or a DECA adapter (which functions as a Band Stop Filter, limiting DECA frequencies at its output).

Now, there will be some who say they don't use BSFs and it works (including not using one with a non-green label SWM) and that may well be true. But it may not work, and who knows what the long term effect of high level DECA frequencies will be on a tuner not designed for them?

Also, the next time the system resets (like, after a power failure), different SWM channels could be assigned, and different results seen. I suspect HR20s are especially sensitive.

If you're going to install DECA adapters on all HD receivers (except Hx24s), have no SD receivers, and have a green-label SWM, you need no BS filters (but in that case, why not let D* do it and be done with it?).

DIRECTV and NFL-ST since 1994, Slimline w/SL5 LNB, SWiM-16
HR44-700; 2x HR24-500; HR22-100; H25-500; C31-700; GenieGo
Gigabit Ethernet (DirecTV DECA); 2.4 and 5GHz 802.11n; HD Slingbox


#6 OFFLINE   dwcolvin

dwcolvin

    Icon

  • Registered
  • 668 posts
Joined: Oct 04, 2007

Posted 18 May 2010 - 07:30 AM

http://www.solidsign...Components&sku=


Yikes! They've increased the shipping cost from $0 to $1 to $5.95.

Note that their table is for an all-DECA installation (all non-Hx24 HD receivers assumed to have DECAs attached).

#7 OFFLINE   Satellite Samurai

Satellite Samurai

    Cool Member

  • Topic Starter
  • Registered
  • 24 posts
Joined: Oct 10, 2008

Posted 18 May 2010 - 08:04 AM

Thanks, that's exactly what I was looking to find out.




Protected By... spam firewall...And...