Beskrivelse
Funktioner
Operating bandwidth: 47_862MHz/ 750MHz, output optical power from 4mW-24mW;
High performance DFB laser diode module with internal isolation;
Advanced pre-distortion correction circuit (PDC);
Microprocessor automatically controls output power (APC), cooling / heating current (ATC), modulation ratio (AMC);
With AGC/MGC switching button in the front panel;
Adjustable attenuator (-20~0dB) in back panel can adjust input level of laser diode;
LCD or VFD in front panel;
MPU provides real-time display of major parameter: Optical output power, operating current, internal temperature, modulation ratio, cooling / heating status;
Support computer management with RS232/RS485 communication interface;
High efficiency and stability switching power supply and optional supply backup system;
1U 19 standard case with a cooling fun and reliable thermal structure design;
Inside aluminum heat-sinking make the back panel more compact.
Specifikationer
Parameter
Optical parameter
Wave length(nm) 1310+-20 Output Optical Power (mW) 4-24
CNR(dB) ≥51 CTB (dBc) ≥65
CSO (dBc) ≥60
Connector FC/APC or SC/APC
RF parameter
Bandwidth (MHz) 47~750/862 Input Impedance (W) 75
Input Return Loss (dB) ≥16 (47-550MHz), ≥14 (550-750/862MHz)
Input Level Range 80+-5
In-band Flatness (dB) 0.75
General parameter Input voltage (V) AC 160~265
Operating Temperature -10~+50
Dimensions (mm) 485(L)*350(W)*45(H)