Amplification device for amplifying a signal in electro-optical transceivers

An optical receiver, comprising:

• an amplification device, wherein the amplification device comprises:
• a coupling filter circuit having an input terminal for receiving an input signal and an output terminal for outputting a filtered output signal, wherein the coupling filter circuit is configured to at least attenuate a DC signal component of the input signal to obtain the filtered output signal, wherein the coupling filter circuit comprises
• a first capacitor circuit connecting the input terminal to the output terminal, the first capacitor circuit comprising a first capacitor;
• a second capacitor circuit connected in parallel to the first capacitor circuit, the second capacitor circuit comprising a second capacitor, a first resistor and a second resistor, the second capacitor, the first resistor and the second resistor being serially connected;
• and
• a resistor circuit connected to the input terminal and the output terminal, the resistor circuit comprising a third resistor connected to the input terminal and a fourth resistor connected to the output terminal;
• and
• an amplification circuit connected to the output terminal, the amplification circuit being configured to amplify the filtered signal to obtain an amplified filtered signal;
• and
• a converter being configured to convert an optical signal into an electrical signal.