OT1500 Series 1310nm 1550nm External Modulation Optical Transmitter
Performance characteristics
Using 32-bit high-performance ARM processor,together with a complete automatic monitoring system circuit, can accurately monitor the optical output power and various working conditions of the laser in real time to ensure a stable optical output power and ensure that the laser is in the best working environment.
A good modulator servo system and a unique “wind pendulum” mode of operation of the modulator phase tracking system provide a more accurate and delicate control process and a wider temperature range for the entire machine.
Using a microwave source programmed and controlled by the CPU, the frequency and amplitude of the signal can be dynamically adjusted to generate microwave signals of any frequency and amplitude with less harmonics. The SBS threshold range is 13-19dBm.
External modulation technology has no ripple effect, very low dispersion distortion, and has good characteristics in the band. The working bandwidth is 47~1000MHz.
RF digital signal predistortion system can precisely match the predistortion amount according to the signal strength and modulation amplitude to ensure the signal quality Narrow line width (1MHz), low noise, DFB continuous wave lasers, and LiNBo3 external modulators perform signal modulation to ensure improved optical power into the fiber and increase transmission distance when the system COS performance index is excellent.
The RF gain is selectable in AGC/MGC mode and the OMI±7dB range is adjustable.
19-inch 1U high-standard rack with blue and white 144*32-point LCD display on the front panel, which can accurately display all working parameters and fault information of the equipment. Hot-swappable dual power supply, CPU assignable power, 48V or 220V optional.
Applications
shenzhen Pusmai Technology Co.,Ltd OT1500 series external modulation optical transmitter is one of the independent 1550nm laser transmission equipment productions which has a complete independent intellectual property. It has high performance, high reliability and excellent performance and price ratio. It can be widely used in all kinds of medium and long distance digital and analog signal communication. The application scene includes large and medium-sized cable TV. Trunk and distribution network, CWDM/DWDM system, optical fiber sensing and security monitoring system. According to the requirements of application scenarios for device, this series of products contains 3 different config
Block diagram
Technical index
Performance | Index | Supplement | |||
Optic feature | Operating wavelength | (nm) | ITU-TG.692 standard wavelength | ||
Wavelength ADJ. range | (nm) | ±1.6 | ±200GHz | ||
Wavelength ADJ. mode | ±0.05nm stepping | ||||
Wavelength stability | (Pm/°C) | -1~0 | Tc=20~70°C | ||
Line width | (MHz) | Typ.=0.35 | FWHM(△λ), (-3dB fullwidth) | ||
Side mode suppression ratio | (dB) | ≥45 | SMSR | ||
Equivalent noise intensity | (dB/Hz) | ≤-160 | RIN (20~1000MHz) | ||
Number of output port | 2 | ||||
Output power | (dBm) | ≥7.0 | 2×9, 2×10, 2×12, 2×13 | ||
Return loss | (dB) | ≥50 | |||
Optical fiber connector | SC/APC | Optional FC/APC, LC/APC | |||
RF feature | Work bandwidth | (MHz) | 47-862 | ||
Input level | (dBmV) | 18~28 | AGC | ||
Flatness | (dB) | ≤±0.75 | 47~862MHz | ||
Return loss | (dB) | >16 | |||
Input impedance | (Ω) | 75 | |||
RF connector | F-Female | ||||
Link feature | Transmit channel | PAL-D/60CH | PAL-D/99CH | ||
CNR1 | (dB) | ≥53.5 | ≥52 | Back to back | |
CNR2 | (dB) | ≥51.5 | ≥50 | 65Km optical fiber, 0dBm receive | |
CTB | (dB) | ≤-65 | ≤-65 | ||
CSO | (dB) | ≤-65 | ≤-65 | ||
SBS restrain | (dBm) | 13~18 | Adjustable | ||
General Information | SNMP network management interface | RJ45 | |||
Communication interface | RS232 | ||||
Power supply | (VAC) | 220VAC | 50/60Hz | ||
(VDC) | -48 | 30~72 | |||
Power Consume | (W) | ≤50 | Single power works | ||
Operating temp. | (°C) | 0~50 | Machine temp. control automatically | ||
Storage temp. | (°C) | -40~85 | |||
Operating relative humidity | (%) | 5~95 | |||
Size | (") | 19×15.2×1.75 | (W)x(D)x(H) | ||