L-BAND over Fiber Tx+Rx Basic 1 Ch Kit

F-Lband-TxRx
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Description Features Drawings Model Selection Specification Q&A Documents
Description

Thor Fiber Satellite L-Band RF Over Fiber Transmitter and Receiver kit

Model # F-Lband-Tx/Rx

The L-Band fiber optic Transmitter/Receiver pair are used for transporting RF Satellite signals in the L Band over fiber from the antenna to the satellite receiver. L-band RF signals have a very limited range over coaxial cable, typically no more than a few hundred feet. By transporting the L-Band RF signal over an optical fiber this range can be extended to over 50 miles. Fiber optic cables are much smaller and easier to work with than traditional copper coax. Additionally our units provides optional 13/18V LNB power as well as Automatic Gain Control (AGC) to manage RF input level. Fiber optic transport of satellite signals is useful in many applications, such as transportation of signals from a remote satellite farm to a broadcaster's headend, uplink and downlink applications, and DBS services. Thor Offers CWDM multiplexing solutions for transportation of up to 8 distinct L-Band signals over a single fiber, as well as multicasting solutions over several different fibers via optical coupling. Custom solutions are available, contact Thor today for help with your specific L Band over fiber needs.


 

 

Features
  • Low cost kit to transport L-Band frequencies from LNB's over fiber
  • Can provide LNB power at 13/18 VDC over coax
  • Can provide 22 kHz control tone for LNB polarity shifting
  • Can be used to remote satellite antennas up to 10 miles away
  • Compatible with PLC optical splitters, point to multi point

IMPORTANT NOTE*** (it is very important to interface our unit with SC/APC - Angle Polished Connector to avoid any light reflections.

If your fiber is terminated with the  SC, ST, FC /PC flat connector, you need to use an optical jumper from PC type to SC/APC for proper conversion. 

Drawings
Model Selection

Standard Model Numbers

Model Number Description
  • F-LBAND-Tx-10
L-BAND Singlemode Fiber Transmitter for 10km
  • F-LBAND-Rx-10
L-BAND Singlemode Fiber Reciever for 10km
  • F-LBAND-Tx-40
L-BAND Singlemode Fiber Transmitter for 40km
  • F-LBAND-Rx-40
L-BAND Singlemode Fiber Reciever for 40km
  • F-LBAND-Tx-80
L-BAND Singlemode Fiber Transmitter for 80km
  • F-LBAND-Rx-80
L-BAND Singlemode Fiber Reciever for 80km
  • F-LBAND-Tx-120
L-BAND Singlemode Fiber Transmitter for 120km
  • F-LBAND-Rx-120

L-BAND Singlemode Fiber Reciever for 120km

  • F-LBAND-Tx-XX-RM   XX- Distance in Km 10.40,80,120  RM-Rack mountable
L-BAND Singlemode Fiber Transmitter for 10km
  • F-LBAND-Rx-XX-RM  XX- Distance in Km 10.40,80,120  RM-Rack mountable
L-BAND Singlemode Fiber Reciever for 10km
   
Specification
*All Specifiactions Subject to Change Without Notice
Transmitter Properties  
  • Wavelength

1310 nm (standard)

1550 nm (optional)  FP/DFB

  • Output Power
+2.0 dBm +/- 2 dB
  • Frequency Response Range
45 - 2800 MHz
  • RF Input Level
55 - 78 dBµV
  • LNB Power (optional)
13 or 18 VDC /650mA Max 22KHz
  • RF Connector
F-Connector or by request
  • RF Return Loss
13 dB
  • RF Input Impedance
75 Ohm
  • CNR
40 dB
  • IMD
40 dB
Reciever Properties  
  • Wavelength
1290 - 1600 nm
  • Optical input power range
-13 - 1 dBm (sensitivity -13 dBm)
  • Frequency Range
45 - 2800 MHz
Output RF Response Levels  
  • Optical Input = 0 dB
RF Output = 88 dBuV
  • Optical Input = -3 dB
RF Output = 82 dBuV
  • Optical Input = -6 dB
RF Output = 74 dBuV
  • Optical Input = -9 dB
RF Output = 68 dBuV
  • Optical Input = -12 dB
RF Output = 63 dBuV
General Parameters  
  • Power Supply Info
18VDC, 3.5W
  • Tempurature Range
(-45) - 150 F
  • RF Connectors
F-Connector or by request
  • Optical Connectors

SC/APC 

IMPORTANT NOTE*** (it is very important to interface our unit with SC/APC - Angle Polished Connector to avoid any light reflections.

If your fiber is terminated with the  SC, ST, FC /PC flat connector, you need to use an optical jumper from PC type to SC/APC for proper conversion. 

  • Dimensions
118 mm x 210 mm x 40 mm
  • Weight
0.25 kg
Question and Answers
Question:
Does this work with dish network LNB?

Answer:
Generally yes, but there is several different options. How many LNB's does your dish has? Please give us call directly we will explain as different providers have different hardware options; we just need to match the hardware that you have to the hardware we offer to create a seamless transition of your Dish service
Question:
We are expanding our broadcast studio. We have 2 studios that are connected to our machine room via fiber and are looking to invest in Shure's new Axient system to leverage it's real-time remote frequency coordination capabilities. To do this Shure suggested could use RF-over-Fiber and we are looking at your product line. Its working range will be 470 MHz-952 MHz and the antenna distribution system uses a 50-ohm connection. Would the Thor F-LBAND-Tx/Rx Satellite L-Band RF Over Fiber Transmitter and Receiver kit 1310nm work well for this? I did notice that it is spec'ed to 75 ohms...? Do you have anything at 50?

Answer:
Yes, you can use our L-band over fiber TX/RX, it should work even if you have a 50ohm interface. If you must have 50ohm, we have GPS over fiber TX RX available with 50ohm TNT RF connector, it will cover 470 MHz-952 MHz https://thorbroadcast.com/product/gps-over-fiber-reference-timing-fiber-optic-waterproof-solution.html
Question:
I have a year-round trailer campsite where DirecTV was to have installed new service. The install-technician declared that our site situation made it impossible (for him) to setup service, even though our adjacent neighbor DID have DirecTV installed the previous year. I believe I can mount a dish near the top of our driveway that could be aimed with the required clear view. The installer said that 100ft was the maximum run distance he could make with RG-6 coaxial cable and that there was no way around that limit. I know that rf-over-fiber could easily reach the roughly 400-500ft required for my proposed remote-mounting of the dish. I have a DirecTV dish with a SWM LNB and a handheld electronic antenna pointing device that I plan to pre-install, then run rf-over-cable to my trailer, before calling DirecTV back to establish service. There will be just one TV at the trailer. Having said all that, is there an affordable way for me to deal with this long run? And, is the kit Model # F-Lband-Tx/Rx what is needed for this?

Answer:
If the dish you have has a built-in SWM; then there is nothing we can do to help. We have transmitter and receiver kits that convert the LNB's to fiber; however, these units must go in between the dish and the SWM , because there is bi-directional communication between STB's coxes and SWM You can go purchase your own dish without the built-in SWM; depending on the model you choose, our LB41 systems and the LB61 Systems would work https://thorbroadcast.com/product/6-ch-l-band-over-single-fiber-extender-54-3000mhz-cwdm.html
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