Table 3

Hardware specifications of the XFFTS board.

ADC sample rate max 5 GS/s
Full-scale input power –2 dBm (500 mVpp)
Input impedance 50 Ω
ADC analog input bandwidth 0.1 − 3.8 GHz ( − 3 dB)
ADC input resolution (quantization) 10 Bit
ADC sampling jitter (10 μs record) <500 fs rms
ENOB (full bandwidth) 7.2 Bits @ 1.2 GHz
Spurious-free dynamic range  > 55 dBc @ 1.2 GHz
Differential nonlinearity (typ) 0.3 LSB
Integral nonlinearity (typ) 0.8 LSB
FPGA data processing unit XILINX Virtex-6 LX240T
GPS/IRIG-B time decoder 1 kHz, AM modulated
GPS/IRIG-B accuracy <50 μs (decoding)
On-board ethernet interface IEEE 802.12,  ~ 10 MBytes/s
Optional gigabit ethernet interface IEEE 802.3,  ~ 90 MBytes/s

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