Televes 233306, 233311, Руководство пользователя

Страница: 6 / 24

Optical Fiber Transmitter and Receiver
6
1. Technical specifications
Optical transmitters 233306 233311 233411 234305 234311
RF
Input/Output
Frequency range
Forward channel
MHz
54 - 2150
Return channel ---- ---- 5 - 42 ---- ----
Maximum input level for
CSO & CTB >= 60dB
(1)
54 - 870 MHz
dBmV
31 27 27 25 27
950-2150 MHz 20
Input level regulation margin (in 2 dB steps) dB 0-18
Output level regulation margin (in 2 dB steps) dB ---- ---- 0-18 ---- ----
Return path maximum RF output level dBmV ---- ---- 52
(2)
---- ----
Equivalent input noise EIN
850 MHz
dBm/Hz
-150
2000 MHz - 146
Flatness dB ± 1.5
Return losses dB >= 10
Impedance ohm 75
Test port attenuation (typical) dB 16
Optical output
(forward
channel)
Laser type MQW-DFB
Wavelength nm 1310 ± 20 1550 ± 20
Output optical power mW/dBm 4 / 6 10 / 10 10 / 10 2.5 / 4 10 / 10
Optical input
(return
channel)
Optical device type ---- ---- InGaAs Pin Photodiode ---- ----
Wavelength nm ---- ---- 1200 -1600 ---- ----
Detection bandwidth MHz ---- ---- 1 - 3000 ---- ----
Max. Optical power received mW/dBm ---- ---- 2 / 3 ---- ----
General
Powering/Consumption
12 Vdc
mA
210 270 330 265 325
24 Vdc 104 140 170 140 160
RF connectors
type
female F
Optical connectors SC/APC
Operating temperature Fº +23 ··· +113
Weight lbs 1.87 1.87 1.98 1.87 1.87
Dimensions inches 1.96 x 8.54 x 6.88
(1) Input: 41 TV CH CENELEC and 1 complete satellite transponder. The input attenuator in 0dB position.
(2) According to DIN45004B.