Vhf Fiber Optic Repeater

Following are the Main Technical Parameters of VHF Fiber Optic Repeater :-
Working frequency (MHz) 130-170 Select according to the need
Output power (dBm) 0-5 27-46 Select according to the need
Gain (dB): while optical path loss 10dB 40-70 40-70 Select according to the need
Ripple in the band (dB) a 3
Control point stability(I ALC) :While downlink at the maximum power point, input to add 10dB, The output power changes should be kept within 2dB.
ATT Gain adjustment range (dB) a Y30 step 1dB
Noise factor (dB) a 4
Frequency tolerance (ppm) a 0.05
Phase peak error (A ) a 20
RMS Phase error (A ) a 5
Intermodulation Reduction (dBc) Within Working Bandwidth a -15dBm/ 30KHz
Out of Working Bandwidth(departure beyond 2.5MHz):a -36dBm/ 30KHz
Stray Emission (dBm) Within Band a -36dBm/ 30KHz
9kHz-1GHz a -36
1GHz-12.75GHz a -30
input/output Joints Type and Impedance N type(Negative) 50 Ohms
VSWR a 1.4
Optical port output optical power a Y0dBm
Maximum faultless working time MTBF (H) a Y50000 hour
Operational environment Operational temperature:-25a ~+60a ;storage temperature:-35a ~+85a ;Relative Humidity: a 95%
Power requirement Nominal Value:220V/50Hz