I have to calculate how much noise is produced in a single step transimpedance amplifier. The OPAMP I'm using is LTC6242 (GBP=18 MHz) and I have to convert a signal of 1 kHz (0 to 20 nAp) to a 0 to 5 Vp signal. The resistor is a 250 Mohm one. I know how to calculate the noise produced by a voltage amplifier, but I have no idea how to calculate this. I haven't seen any example of this on the Internet or in any book. Could you help please?
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