All-digital FPGA receiver : on Intel Stratix 10 TX

Sammanfattning: Ordinary digital receivers use analog mixers and conventional analog-to-digital converters. Thisthesis explores the possibility to build a receiver using an Intel Stratix 10 TX FPGA to sample asignal directly at its RF frequency. By band-limiting the RF signal, the transceivers can be used asPWM based analog-to-digital converters and sample the RF signals as a bit-stream. Filters andmixers could then be implemented in the FPGA to downconvert the RF signal to a complex digitalbaseband signal. This method was proven to work in theory but had drawbacks. The samplingmethod added a lot of distortion and the bandwidth was limited. The receiver could not beimplemented on the FPGA since the only connected transceivers could not be configured to receiveanalog signals. The other type of transceiver could probably be used but would have requiredanother model of the board where these were connected.