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PRODUCT
TFR7800J Indoor Optical Receiver
The TFR7800J indoor optical receiver is designed to transmit the cable TV signal. Simple 220V, 50Hz or DC48V power supply, 2 RF output F connector ...
TFR7800J Indoor Optical Receiver
|
NO. |
Item |
Unit |
Description |
Remark |
|
Optical Input |
||||
|
1 |
Optical Input Wavelength |
nm |
1200～1600 |
|
|
2 |
Optical Input Power |
dBm |
-8～+2 |
|
|
3 |
AGC |
dBm |
+2～-6 |
|
|
4 |
Optical Connector Type |
FC/APC or SC/APC |
||
|
5 |
Optical Output Loss |
dB |
≥45 |
|
|
RF Output |
||||
|
1 |
Frequency Range |
MHz |
47～860/1000 |
|
|
2 |
Flatness |
dB |
±0.75 (output 1、2) |
|
|
3 |
RF Output Test |
dB |
-20±1 |
|
|
4 |
Output Level |
dB |
1 way output ≥108dBuV; 2 way distributive output≥104dBuV |
|
|
5 |
Equalization |
dB |
0～-20 |
1dB step |
|
6 |
ATT |
dB |
0～-20 |
1dBstep |
|
7 |
RF Impedance |
Ω |
75 |
|
|
8 |
Return Loss |
dB |
≥16(47～860MHz) |
|
|
9 |
CNR |
dB |
51 |
Remark |
|
10 |
CSO |
dB |
60 |
|
|
11 |
CTB |
dB |
65 |
|
|
12 |
Power |
V |
AC220±10% or DC48 |
|
|
13 |
Dimension |
mm |
495×230×43 |
|
|
14 |
Power Consumption |
W |
＜20 |
|
|
15 |
Operating Temperature |
℃ |
0～＋50 |
|
|
Remark: The measurement uses a standard laser transmitter, chain route 10km optical fiber attenuator, with a received optical power of -1dBm. At 550MHz Within the frequency range, 59 PAL-D TV channels are configured according to the Chinese standard. RF output signal is tilted 12dB (862MHz), RF output signal level is 108dBuV. |
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