L-band Fibre optic Transmitter converts electrical RF L-band signal 900Mhz to 2100 MHz to optical modulated signal.
L-band Fibre optic receiver converts optical signal to RF electrical.
Equipment sends optical L-band signal from satellite antenna to the receiver for a long distance up to 120Km.
CL-Lband Transmitter could power LNB over RF “F” connector so the external LNB power source could be eliminated.
By using CWDM technology it allows to send up to 8 separate L-Bands signals over single fibre
For multiple dwelling units (MDUs) environment, fibre optic technology promises more reliable wide band features as well as very low signal attenuation (< 0.4dB/km) through a long distant transmission or a wide area signal. Distribution constantly enhances the performance of a multi-user direct broadcast satellite (DBS) L-Band transmission.
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|CL-Lband-TX||L-band 900-2100Mhz fiber optic transmitter|
|CL-Lband-RX||L-band 900-2100Mhz fiber optic treceiver|
|CL-Lband-TX-1550||1550nm L-band 900-2100Mhz fiber optic transmitter|
|CL-Lband-TX-CWDM||CWDM L-band 900-2100Mhz fiber optic transmitter|
|CL-Lband-TX-DWDM||DWDM L-band 900-2100Mhz fiber optic transmitter|
|Standars:||L-band Transmitter specification Wavelength - 1310nm or 1550nm or CWDM Optical output power - 0dbm or +5dbm Connector - SC/APC or any different by request Return loss - less than 55dB Operating bandwidth - 47 to 2600 MHz Nominal composite RF input - 30dBm Input impedance - 75Ohm AGC range (optional) 25dB RF Flatness +- 2dB RF return loss - 12dB RF connector -F type Power requirements +9 - +18V DC Power to LNB (optional) - 18VDC or 13VDC or 12V DC Operating Temperature - -20 to +60degree C Dimensions - 77D x145Wx 28H (mm) Weight - 325 g L-band Transmitter specification Wavelength - 1310nm or 1550nm or CWDM Optical input – up to -13Bbm Connector - SC/APC or any different by request Return loss - less than 55dB Operating bandwidth - 47 to 2600 MHz Nominal composite RF output - 30dBm @13 db optical link budget Input impedance - 75 Ohm RF Flatness +- 2dB RF return loss - 12dB RF connector -F type Power requirements +9 - +18V DC Operating Temperature - -20 to +60degree C Dimensions - 77D x145Wx 28H (mm) Weight - 325 g System performance Link Gain - better than 26 dB (Note 1) IMD3 less than - 60dBc (Note 2) CNR (BW= 27 MHz) better then 22db (Note 3) Notes : 1) Measured at – 30 dBm/ch RF power and the transmitter output power is received directly 2) Test Conditions : 2 uncounted carriers (f1=1000Mhz , f2=110 MHz) ,RF power = -30dBm per carrier 3) Measured at - 40 dBm/ch RF power and -13 dBm optical received power (27 MHz bandwidth is assumed).|