OPTICAL TRANSMITTER + Click to enlarge the picture 860 mhz bandwidth High - performance DFB laser to provide high quality signal Advance pre-distortion correction circuit to improve the performance Integrated preamplifier with low noise figure and distortion suitable for low input level RF input level -20db test point High efficiency switching power supply to meet the AC voltage fluctuation (85V?? 265V) Reliable thermal structure design to ensure high stability and long operating life of unit LCD panel to provide real-time display of each parameter of its operating status Optical output failure alarm and laser switch off control This modulator is tunable on entire CATV channels and has PLL ckt for accurate and stable frequency control and has separate If for picture and sound that makes is suitable for analog scrambling system. It has over modulation indicator and control for both audio & video signal for the ease of adjustment. Specification : Function Parameter:     Items Unit   Optical Power mw 4 5 6 8 10 12 14 16 18 Optical Link Loss db 7 9 10 11 12 12.5 13 13.5 14 Optical Wave Length nm 1310 Optical Fiber Connector dB ±0.5 ·Operating Frequency RF Input Level   MHz 47~860dBmV 20 Flatness In Band dB ±0.5 Input Impedance OHM 75 Input Return Loss   16 CTB(PAL-BG 59CH)   -65 CSO(PAL-BG 59CH) dB -60 C/N CNR dB 51 PowerVoltage(50hz) V 220V±10% Power Consumption W 24 Operation Temperature °C 0~45

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