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RF-FO Electrical Specification Jean-Marie Bussat John Joseph.

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1 RF-FO Electrical Specification Jean-Marie Bussat John Joseph

2 RF-FO Simplified Block Diagram Loop or Dipole Antenna RF Low Noise Front End LNA, Pre-selector and Attenuator RF to Fiber Optic Transmitter Trans-impedance Amplifier, Laser Diode

3 RF-FO Detailed Block Diagram: RF Front-End Filter 100MHz LPF or Bank of 4 Single Octave BPFs RF Amplifier Low Noise, High TOIP, 0.1 to 100MHz BNC Matching Network Attenuator 20 dB Max 10 Steps

4 RF-FO Specification: RF Front-End Frequency Range0.1 to 100MHzRequired Gain10dB +/- 2dB, NominalRequired Attenuation20dB +/- 2dB, MaximumRequired Steps10Requested Step Size2dB +/-.5dB, NominalRequested ControlManual SetRequested Input Impedance50 Ohms, NominalRequested Output Impedance50 Ohms, NominalGoal Load VSWR1.5:1, NominalGoal 1dB CompressionTBD Dynamic Range60dB, NominalRequested, Goal Noise Figure10dB, NominalGoal Harmonic Suppression-20dBc below the fundamental for Harmonics > 120MHzGoal Filter BanksTBD Power ConnectorTBD RF ConnectorsBNC type (Input/OutputRequired SizeTBD (Goal is to be as small as possible)(2”x2”?) Operating Temperature0 to +70 C Storage Temperature-55 to 125 C DC Voltage12V Nominal, 14V Absolute MaximumAssumes “Gel-Cell” type DC Current500mAMaximum

5 RF-FO Detailed Block Diagram: FO Transmitter Trans-Impedance Amplifier Laser Diode BNC ST type

6 RF-FO Specification: FO Transmitter Frequency Range0.1 to 100MHzRequired Optical Power Output< 1mWGoal WavelengthTBD (Dependent on FO Receiver) (850nm to 1.3um)Goal Linearity< 1%Goal Dynamic Range60dB, NominalRequested, Goal Input Impedance50 ohms, NominalGoal Power ConnectorTBD RF Connector (Input)BNC typeRequired FO Connector (Output)STGoal SizeTBD (Goal is to be as small as possible) Operating Temperature-25 to +85 C Storage Temperature-0 to 70 C DC Voltage12V Nominal, 14V Absolute MaximumAssumes “Gel-Cell” type DC CurrentTBD

7 RF-FO Detailed Block Diagram: FO Receiver Trans-Impedance Amplifier PIN Diode BNC ST type

8 RF-FO Specification: FO Receiver Frequency Range0.1 to 100MHzRequired Optical Sensitivity< 1uWGoal WavelengthTBD (850nm to 1.3um)Goal Linearity< 1%Goal Dynamic Range60dB, NominalRequested, Goal Output Impedance50 ohms, NominalGoal Power ConnectorTBD RF Connector (Output)BNC typeRequired FO Connector (Input)STGoal SizeTBD (Goal is to be as small as possible) Operating Temperature-25 to +85 C Storage Temperature-0 to 70 C DC Voltage12V Nominal, 14V Absolute MaximumAssumes “Gel-Cell” type DC CurrentTBD

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