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OEQuest : Equipment : HFC, RFoG, CATV : Directly Modulated Laser Transmitters : High Power, 1550nm Directly Modulated Transmitter, Extended 20km Range, +20dBm
| High Power, 1550nm Directly Modulated Transmitter, Extended 20km Range, +20dBm |
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QAMnet DMLT-1550-HP series high power laser transmitters are cost effective, space saving solutions designed for HFC, FTTH and deep fiber applications. The DMLT-1550-HP uses a highly linear, low chirp DFB laser module and advanced pre-distortion RF circuit to deliver 50 dB of CNR, while maintaining optimal CSO and CTB distortion specifications. The output power level is amplified by an internal EDFA to up to +23 dBm.
The DMLT-1550-HP has transmission range up to 20 km. DMLT-1550 transmitters support up to 75 NTSC analog channels. Designed to be digitally ready, they can be loaded with 60 additional QAM modulated signal channels.
The DMLT-1550-HP is available at these output power levels: +15 dBm, +18 dBm, +20 dBm and +23 dBm.
Features:
- Built-in EDFA to boost output level
- Highly linear, low chirp 1550 nm DFB laser source
- Pre-distortion circuit minimizes CSO and CTB distortion
- Automatic Gain Control (AGC) for optimal RF drive level (optional)
- 75 channel NTSC plus 60 digital channels loading plan
- -20 dB front panel RF test port
- Transmission range up to 20km
- 45-870 MHz modulation bandwidth
- Compact 1U housing
Downloadable PDF Datasheets:
DMLT-1550-HP Product Datasheet
DMLT-1550-HP-20 Test Data (Sample)
 Manufacturer: QAMnet
Part Number: DMLT-1550-HP-20
Shipping Weight: 8.00 lbs
Lead Time:
3-4 Weeks
Base Price: $2,992.50
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View a printable version.
| Technical Specifications |
| Model Number |
DMLT-1550-HP-20
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| Technical Specifications |
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| Transmission Range |
20km
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| Laser Wavelength Range |
1550nm ± 15nm (standard), available with 40 DWDM wavelengths
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| Optical Output Power |
20dBm minimum
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| Number of Optical Output |
1 SC/APC connector
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| Noise Bandwidth |
N/A
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| Carrier Noise Ratio (CNR) |
51 dB @ 0dBM received power
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| Composite Second Order (CSO) |
-60dB minimum
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| Composite Triple Beat (CTB) |
-63dB minimum
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| SBS Suppression Level |
13.5dBm
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| RF Gain / OMI Adjustment Range |
+6dB to -6dB
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| Input RF Power Level |
17 - 23 dBmV
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| Frequency Plan |
NTSC 75 channels + HD channels + QAM
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| RF Frequency Range |
45 MHz to 870 MHz
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| Flatness in Frequency Range |
± 0.75dB over full range
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| Input RF Impedance |
75 Ohm
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| Input RF Return Loss |
16 dB minimum
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| Mechanical Specifications |
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| Operating Temperature Range |
0°C to +50°C
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| Storage Temperature Range |
-40°C to +70°C
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| Power Consumption |
80 W maximum
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| Power Supply |
80 -240 VAC, 43 - 62 Hz
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| Housing Dimensions |
19
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| Front Panel Display |
LCD
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| Control / Monitoring |
DFB laser temperature, output power
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| Alarm Status |
Over temperature, over current
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| Optical Connectors |
SC/APC
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