CATV RF SYSTEM
SAT IF Transmitter & Receiver
LSIFDM Series SAT IF 950~2600MHz Fiber Transmitter
LSIFDM is satellite L-Band optical transmitter, adopts high linearity DFB laser and direct modulated way. It can transmit 950~2600MHz L-Band analog or digital satellite signal (SAT-IF) receiving by satellite aerial radio high frequency head, to realize total transparency, high quality, long distance transmission through optical fiber. It also can sue satellite L-Band up/down link.
Features
- Various specification and performances, covering essence of satellite L-band optical fiber link in present market.
- 950~2600MHz operating bandwidth, transmitting all satellite L-Band analogue and digital signals.
- Optical wavelength: 1310nm, 1550nm, CWDM optional, supply the biggest output power in the field.
- TG optical transmitter (standard type), build-in AGC linearity amplifier.
- TO optical transmitter (type optional), build-in no IF amplifier, VOH input allowed, suitable for VOH output L-Band externally optical transmitter.
- Perfect laser APC, ATC control electric, prove long lifetime and high reliable work.
- Optical transmitter can supply 13VDC or 18 VDC to LNB.
- Capacity of resisting electromagnetic, radio frequency, thunderstorm.
- Excellent P/P ratio.
Specifications
| Optical Parameters | Min | Typ | Max | Unit | Remark |
|---|---|---|---|---|---|
|
Operating wavelength
|
1300 |
1310 |
1320 |
nm |
|
|
|
1530 |
1550 |
1563 |
nm |
|
|
|
1270 |
CWDM |
1610 |
nm |
|
|
Wavelength adjustable range
|
-1.6 |
|
+1.6 |
nm |
|
|
Wavelength stability |
-1 |
|
|
Pm/°C |
TC=20~70°C |
|
Side mode suppression ratio |
35 |
|
|
dB |
|
|
Optical isolation |
30 |
|
|
dB |
|
|
Extinction ratio |
8.2 |
|
|
dB |
|
|
SBS |
16 |
|
|
dBm |
1310 nm |
|
|
18 |
|
|
dBm |
1510 nm |
|
Optical output power |
1 |
|
10 |
mW |
|
|
|
10 |
|
30 |
mW |
|
|
|
1.0 |
|
4 |
mW |
|
|
|
4 |
|
10 |
mW |
|
|
Return loss
|
50 |
|
|
dB |
|
|
Optical connector |
|
SC/APC & LC/APC |
|
|
|
|
RF Features |
|
|
|
|
|
|
Operating bandwidth
|
950 |
|
2600 |
MHz |
|
|
Input range
|
-40 |
|
-25 |
dBm |
TX, SAT-IF with AGC amplification |
|
|
|
-8 |
|
dBm |
TX, SAT-IF without IF amplification |
|
Flatness
|
|
0.5 |
|
dB |
40 MHz
|
|
|
-2 |
|
+2 |
dB |
950~2600MHz |
|
Return loss |
10 |
|
|
dB |
950~2400MHz |
|
Input Impedance |
75 |
|
|
Ω |
|
|
CNR |
28 |
|
|
dB |
|
|
CTB |
|
|
-36 |
dB |
|
|
CSO |
|
|
-36 |
dB |
|
|
General Features |
|
|
|
|
|
|
SNMP interface |
|
RJ45 |
|
|
|
LSIFR series 950~2600MHz SAT IF Fiber Receiver
LSIFR series adopting high-sensitivity PIN detector, receiving sensitivity is -22dBm, typical value: -13dBm. It can receive analogue and digital signal on satellite antenna LNB with the frequency of 950~2600MHz. It can be compatible with any FTTx PON to realize combination of Direct Broadcasting Satellite (DBS) with Internet and FTTH, it can also be used for L-Band uplink/downlink of satellite communication.
Features
- PIN detector, -22dBm receiving sensitivity, typical value: -13dBm.
- 950~2600Mhz high bandwidth, suitable for SAT-IF application.
- Receiving all L-BAND satellite signal of LNB over single fiber.
- It can be compatible with any FTTx PON technology.
- Different exterior structures. Suitable for FTTH, FTTP, FTTB, FTTC.
- Excellent P/P ratio.
Specifications
| Optical Parameters | Min | Typ | Max | Unit | Remark |
|---|---|---|---|---|---|
|
Operating wavelength
|
1260 |
|
1620 |
nm |
LSIFR-cc-dd-N |
|
|
1540 |
|
1563 |
nm |
LSIFR-cc-dd-M |
|
Pass wavelength |
|
1310/1490 |
|
nm |
LSIFR-cc-dd-M |
|
Responsibility – R13 |
0.9 |
|
|
A/W |
1310 nm |
|
R15 |
0.95 |
|
1550 nm |
A/W |
|
|
Receiving optical power: Typical |
|
-13 |
|
dBm |
|
|
Sensitivity |
|
|
-22 |
dBm |
Pr |
|
Overload |
+3 |
|
|
dBm |
Po |
|
Optical Receiving PD |
|
PIN |
|
|
|
|
Return loss |
50 |
|
|
dB |
|
|
Optical connector |
|
SC/APC or LC/APC |
|
|
|
|
RF feature |
|
|
|
|
|
|
Operating bandwidth |
950 Mhz |
|
2600 |
Mhz |
|
|
Output level
|
10 |
|
30 |
dBmV |
|
|
Flatness |
-0.5 |
|
+0.5 |
dB |
40MHz |
|
|
-1 |
|
+1 |
dB |
950~2400MHz |
|
Output return loss |
12 |
|
|
dB |
950~2400MHz |
|
Channel loading |
|
|
36 |
Ch |
QPSK or FM |
|
IM3 |
-65 |
|
|
dB |
Digital TV
|
|
HUM |
-60 |
|
|
dB |
QPSK or FM
|
|
IP1 |
18 |
|
|
dBm |
|
|
Output Impedance |
75 |
|
|
Ω |
Option 50Ω
|
|
RF connector |
F-female |
|
|
|
75Ω |
|
|
SMA-F |
|
|
|
50Ω |
|
General Features |
|
|
|
|
|
|
SNMP interface |
|
RJ45 |
|
|
|
|
Communication interface
|
|
RS232 |
|
|
|
LDS26 Series SAT IF 30~2600MHz Transmitter
LDS26 is an optical transmitter, adopt high linearity DFB laser, modulated directly. It can transmit 30~2600MHz digital TV, move media broadcast (MMB, CMMB)and satellite live telecast TV(DBS, SAT-IF)signal. 1550nm optical transmitter, ITU standard wavelength can be selected, suitable for DWDM to realize network-upgrading and capability-expansion. It can work together with EDFA, YEDFA to amplify the optical power. It can be compatible with any FTTx PON technology.
Features
- PIN optical receiving, -22dBm receiving sensitivity, typical value: -13dBm.
- High linearity, suitable for Digital TV & SAT-IF application.High wide band: 30~2600MHz
- Suitable for Digital TV & Satellite TV application
- One fiber can transmit signal of 10 sets of TV, DTV and satellite TV
- HGHL DFB laser, can choose cooling and non-cooling
- 1310nmTX, output power upto 30mW
- 1550nmTX, ITU wavelength optional, apply in DWDM, reach network promotion and dilatation
- 1550nmTX can be amplified by EDFA, YEDFA to cover large-scaled FTTH, compatible with any FTTX PON technology
- Multiple performance frame, suitable for application of different scale network
- Excellent P/P ratio
Specifications
| Optical Parameters | Min | Typ | Max | Unit | Remark |
|---|---|---|---|---|---|
|
Operating wavelength
|
1300 |
1310 |
1320 |
nm |
|
|
|
1530 |
1550 |
1563 |
nm |
|
|
|
1270 |
CWDM |
1610 |
|
|
|
Wavelength stability |
-1 |
|
|
Pm/°C |
TC=20~70℃ |
|
Side mode suppression ratio |
35 |
|
|
dB |
|
|
Optical isolation |
30 |
|
|
dB |
|
|
SBS |
16 |
|
|
dBm |
1310nm |
|
|
|
|
18 |
dBm |
1550nm |
|
Optical output power |
1 |
|
10 |
mW |
|
|
|
10 |
|
30 |
mW |
|
|
|
1 |
|
4 |
mW |
|
|
|
4 |
|
10 |
mW |
|
|
Return loss |
50 |
|
|
dB |
|
|
Optical connector |
|
SC/APC or LC/APC |
|
|
|
|
RF feature |
|
|
|
|
|
|
Operating bandwidth |
30 |
|
2600 |
Mhz |
|
|
Input Range |
-40 |
|
-25 |
dBm |
with AGC amplification |
|
Flatness |
-1 |
|
+1 |
dB |
30~860MHz |
|
|
-1.0 |
|
+1.0 |
dB |
40MHz |
|
|
-2 |
|
+2 |
dB |
950~2400MHz |
|
Output return loss |
14 |
|
|
dB |
30~860MHz |
|
|
10 |
|
|
dB |
950~2400MHz |
|
Channel loading |
|
36 |
|
Ch |
QPSK or FM |
|
|
|
64QAM |
|
Ch |
Digital TV |
|
CNR |
28 |
|
|
dB |
|
|
CTB |
|
|
-36 |
dB |
|
|
CSO |
|
|
-36 |
dB |
|
|
Input Impedance |
75 |
|
|
Ω |
Option 50Ω
|
|
RF connector |
F-female |
|
|
|
75Ω |
|
|
SMA-F |
|
|
|
50Ω |
|
General Features |
|
|
|
|
|
|
SNMP interface |
|
RJ45 |
|
|
|
|
Communication interface
|
|
RS232 |
|
|
|
LRS26DP Series 47~2600MHZ DIGITAL TV & SATELLITE TV RECEIVER
Lightem LRS26DP optical receiver, adopting high-sensitivity PIN detector, receiving sensitivity is -22dBm, typical value -13dBm. It can receive analogue and digital signal with the frequency of 47~2600MHz on a single fiber, and compatible with any FTTx PON to achieve triple-network combination between Analog TV(<10CH), Digital TV (DVB-C, DVB-T), Satellite TV (DVB-S) and Internet & FTTH.
Features
- PIN optical receiving, -22dBm receiving sensitivity, typical value: -13dBm.
- High linearity, suitable for Digital TV & SAT-IF application.
- Wide band type: 47~2600MHz.
- 10CH Analog TV, Digital TV (DVB-C), Satellite TV (DVB-S) signal can receive via a single fiber at the same time.
- It can be compatible with any FTTx PON technology.
- Different exterior structures. Suitable for FTTH, FTTP, FTTB, FTTC.
- Excellent P/P Ratio.
Specifications
| Optical Parameters | Min | Typ | Max | Unit | Remark |
|---|---|---|---|---|---|
|
Operating wavelength
|
1300 |
1310 |
1320 |
nm |
|
|
|
1530 |
1550 |
1563 |
nm |
|
|
|
1270 |
CWDM |
1610 |
|
|
|
Wavelength stability |
-1 |
|
|
Pm/°C |
TC=20~70℃ |
|
Side mode suppression ratio |
35 |
|
|
dB |
|
|
Optical isolation |
30 |
|
|
dB |
|
|
SBS |
16 |
|
|
dBm |
1310nm |
|
|
|
|
18 |
dBm |
1550nm |
|
Optical output power |
1 |
|
10 |
mW |
|
|
|
10 |
|
30 |
mW |
|
|
|
1 |
|
4 |
mW |
|
|
|
4 |
|
10 |
mW |
|
|
Return loss |
50 |
|
|
dB |
|
|
Optical connector |
|
SC/APC or LC/APC |
|
|
|
|
RF feature |
|
|
|
|
|
|
Operating bandwidth |
30 |
|
2600 |
Mhz |
|
|
Input Range |
-40 |
|
-25 |
dBm |
with AGC amplification |
|
Flatness |
-1 |
|
+1 |
dB |
30~860MHz |
|
|
-1.0 |
|
+1.0 |
dB |
40MHz |
|
|
-2 |
|
+2 |
dB |
950~2400MHz |
|
Output return loss |
14 |
|
|
dB |
30~860MHz |
|
|
10 |
|
|
dB |
950~2400MHz |
|
Channel loading |
|
36 |
|
Ch |
QPSK or FM |
|
|
|
64QAM |
|
Ch |
Digital TV |
|
CNR |
28 |
|
|
dB |
|
|
CTB |
|
|
-36 |
dB |
|
|
CSO |
|
|
-36 |
dB |
|
|
Input Impedance |
75 |
|
|
Ω |
Option 50Ω
|
|
RF connector |
F-female |
|
|
|
75Ω |
|
|
SMA-F |
|
|
|
50Ω |
|
General Features |
|
|
|
|
|
|
SNMP interface |
|
RJ45 |
|
|
|
|
Communication interface
|
|
RS232 |
|
|
|
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Contact Us
- Tel : +852 - 2687 5815
- Fax: +852 - 2687 5456
- Email: [email protected]
- Office Address: Rm 910-11, 9/F, Topsail Plaza, 11 On Sum Street, Shatin, N.T., H.K.