Consider the following system:
A NRZ pulse modulated signal with a bit rate, BT of 150 MB/s (B = 300 MHz) is to be
transmitted over a length of 50 km single mode fibre link. To ensure a bit-error-rate of
less than 10-9, this specific coding requires a signal-to-noise ratio at the receiver of at
least 26 dB. It is decided that a transimpedance amplifier with an open loop gain of 200
will be used. The average amplifier noise current is 2,2 pA/ Hz [ampere per root Hz].
The amplifier input resistance, Ra is 10 k and the feedback resistor, Rf is 10 k.
Two photodiodes, with a junction capacitance

Question

Consider the following system:
A NRZ pulse modulated signal with a bit rate, BT of 150 MB/s (B = 300 MHz) is to be
transmitted over a length of 50 km single mode fibre link. To ensure a bit-error-rate of
less than 10-9, this specific coding requires a signal-to-noise ratio at the receiver of at
least 26 dB. It is decided that a transimpedance amplifier with an open loop gain of 200
will be used. The average amplifier noise current is 2,2 pA/ Hz [ampere per root Hz].
The amplifier input resistance, Ra is 10 k and the feedback resistor, Rf is 10 k.
Two photodiodes, with a junction capacitance