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Table 1
Hardware specifications of the AFFTS board.
| ADC sample rate (default/max) | 3 GS/s/3.6 GS/s |
| Full-scale input power | 0 dBm (630 mVpp) |
| Input impedance | 50 Ω |
| ADC analog input bandwidth ( − 3 dB) | 0.1 − 3 GHz |
| ADC input resolution (quantisation) | 8 Bit |
| ADC sampling jitter (10 μs record) | <500 fs rms |
| ENOB (full bandwidth) | 7 Bits @ 748 MHz |
| Spurious-free dynamic range (SFDR) | > 43 dBc @ 1498 MHz |
| Differential nonlinearity (typ) | 0.25 LSB |
| Integral nonlinearity (typ) | 0.35 LSB |
| FPGA data processing unit | XILINX Virtex-4 SX55 |
| GPS/IRIG-B time decoder | 1 kHz, AM modulated |
| GPS/IRIG-B accuracy (decoding) | <50 μs |
| On-board ethernet interface | IEEE 802.12, ≤ 20 MBits/s |
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