Optical unit OTR-103

Features:

• Large range of input optical power;
• High sensitivity;
• Duple GaAs RF amplifier technology with minimization of the level of products of the second and third order;
• Built-in interstage attenuator;
• Built-in interstage electronic equalizer allows you to refuse additional, replaceable modules;
• Two RF outputs with the possibility of installing interchangeable inserts of the divider or couplers;
• Change of the reverse channel band due to replaceable inserts of diplex filters;
• Embedded module of the optical transmitter of the return channel;
• Thermal stabilization of the output optical power of the transmitter;
• Power supply unit from AC or DC;
• By switching fuses, in the main power circuit, you can select the desired power supply method (from one of the outputs);
• On the output and in the return channel of the unit there are control connectors for connection of measuring devices;
• Additional input for summing RF signals of the 5-200 MHz range with the return channel signals;
• Protection of RF amplifier output from high voltages;
• Protection of the output stage of the RF amplifier from overload and unbalanced load;
• Cast aluminum housing.

The module of the optical transmitter of the feedback channel OTR-02, OTR-03:

FP laser 1 mW, 1310 nm (OTR-02), 0.8 mW 1550 nm (OTR-03);

frequency range 5-200 MHz;

the input signal level is 70 dB / μV.