Whats the Servo motor for..

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slimmswitch

SatelliteGuys Family
Aug 22, 2004
118
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I'm looking into buy a new lnbf that allows me to get cband and ku reception (Corotor® II Plus) and I was just wondering what the servo motor is for??
 

slimmswitch

SatelliteGuys Family
Aug 22, 2004
118
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also whites the difference between Ku and Ku Wideband lnb... Would the wideband give me a greater signal.
 

lilyarbie

SatelliteGuys Pro
Feb 5, 2005
347
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Hopefully this will help

The Servo Motor allows the feedhorn to change the polarities of the incoming signal that goes to the LNB for either Ku band or C-band on a C-band dish (6-foot to 12-foot dishes). Ku band dishes (18-inch to 5 foot) do not require a servo motor to change polarities. There was a report of newer feedhorns that do not require the use of a servo motor. I forgot what these feedhorns were but I'm sure someone reading this will be sure to chime in. In reference to your other question, I think you're referring to what's known around here as Universal or Standard Ku band LNBs. Standard Ku band LNBs use frequencies in the Ku band range (utilizes a small portion of the band) that are standard for North American satellites. Universal uses the whole ku band frequency Spectrum so that you can receive Ku band signals from non-North American satellites as well as North American satellites.
 

tdti1

SatelliteGuys Pro
Nov 23, 2004
2,318
1
Montreal, QC
The Corotor® II Plus is not a lnbf, it is a feedhorn that comes with a servo motor, you will need to buy a C-band and Ku-band lnb to place onto the feed, the servo allows you to change polarity, and make skew adjustments.

Do not get the wideband, unless you want channels off of NSS-806 and a few others, I have scanned NSS-806 and get a few feeds with my Linear setup, also the wideband will have a bit more signal loss than the regular Corotor.

Many dealers sell package deals with the feed and both lnb's.
 

slimmswitch

SatelliteGuys Family
Aug 22, 2004
118
0
so would I need to tell the servo motor when to switch or is it automatic?

tdti1 said:
The Corotor® II Plus is not a lnbf, it is a feedhorn that comes with a servo motor, you will need to buy a C-band and Ku-band lnb to place onto the feed, the servo allows you to change polarity, and make skew adjustments.

Do not get the wideband, unless you want channels off of NSS-806 and a few others, I have scanned NSS-806 and get a few feeds with my Linear setup, also the wideband will have a bit more signal loss than the regular Corotor.

Many dealers sell package deals with the feed and both lnb's.
 

tdti1

SatelliteGuys Pro
Nov 23, 2004
2,318
1
Montreal, QC
The 4dtv or any anolog IRD will control the polarity, and when a dvb is slaved you willflip the polarity from H-V when needed, if you do not have a 4dtv and do not subscribe to any programming then a Pansat and a V-box will be all you need the Pansats have the ability to control a servo, you can also just use the analog box to move the dish and have the Pansat as the master, though if you have 4dtv I would have the 4dtv as master.
 

slimmswitch

SatelliteGuys Family
Aug 22, 2004
118
0
The v-box is just to move the actuator correct?? So i should just be able to use my analog receiver to move the dish and use my pansat to view the channels?

tdti1 said:
The 4dtv or any anolog IRD will control the polarity, and when a dvb is slaved you willflip the polarity from H-V when needed, if you do not have a 4dtv and do not subscribe to any programming then a Pansat and a V-box will be all you need the Pansats have the ability to control a servo, you can also just use the analog box to move the dish and have the Pansat as the master, though if you have 4dtv I would have the 4dtv as master.
 

tdti1

SatelliteGuys Pro
Nov 23, 2004
2,318
1
Montreal, QC
Yes I would rather use a 4dtv or analog only IRD to position the reflector, and this way you will also have the ability to view C-band wild feeds and Ku-band wildfeeds, well analog ones, and DVB.
 
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