Thor 2 mW CATV RF Over Fiber Tx 45-870 MHz User Manual
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Test conditions:
Test link path is formed of standard fiber and standard optical receiver. Under the condition of
prescriptive link loss, set 84 PAL-D test source TV channel signals at 750MHz, when optical
receiver input optical power being -1dBm, measure C/ CTB, C/ CSO, C/ N.
4.2 Technique Parameter Table
Item
Unit
Technique Parameter
Optical Power
mW
4
6
8
10
12
14
16
18
20
22
24
26
Optical Link Path Loss
dB
7
9
10
11
11.8
12.5
13
13.6
14
14.4
14.8
15.1
Optical Wave Length
Nm
1550±20
Type of Laser
DFB
Optical modulation mode
Direct Optical Intension modulation
Optical connector Type
FC/APC, SC/APC
Frequency Range
MHz
47-750/862
RF Input Level
dBuV
72-88
Flatness In Band
dB
±0.75
RF Input Impedance
Ω
75
Input Reflection Loss
dB
≥ 16（47-550MHz）； ≥ 14（550-750/862MHz）
C/CSO
dB
≥ 60
C/CTB
dB
≥ 65
C/N
dB
≥ 51
AGC Control Range
dB
±5
MGC Control Range
dB
0-10
Power Voltage
V
AC 110V-250V（50Hz or 60Hz）
Power Consumption
W
30
Operation Temperature
℃
0 -- 45
Store Temperature
℃
-20 -- +65
Relative Humidity
%
Max 95% no condensation
Dimension
mm
483（L）×380（W）×44（H）
Optical Link Path C/N Parameter:
Optic
power
Optical Loss（dB）
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
4mW
53.8
52.8
51.8
51
50.1
49.2
48.2
6mW
53.0
52.0
51.0
50.1
49.1
48.1
8mW
52.8
51.9
51.0
50.1
49.2
48.2
10mW
52.9
51.9
51.0
50.1
49.1
48.2
12mW
52.7
51.8
50.8
49.9
49.0
48.0
14mW
52.4
51.5
50.5
49.5
48.6
47.8