Free Access
Table 3
Specifications of the fast Fourier transform spectrometer.
| ADC sample rate | 3 GS/s (max) |
| ADC resolution (quantisation) | 8 bits |
| Maximum instantaneous bandwidth | 1.5 GHz |
| Maximum number of channels | 8192 |
| Maximum number of spectrometers | 4 (2 available) |
| Interface to control commands | ethernet |
| Interface to dataports | ethernet |
| FPGA unit | Xilinx Virtex-4 SX-55 |
| Time stamping | On-board, IRIG-B |
| ADC typical temperature | 35−45 C |
| ADC maximum temperature | 75 C |
| Input level (ideal working regime) | −14.2 to −3.4 dBm |
| Input level (minimal working signal) | −23.2 dBm |
| Input level (maximum tolerable) | + 3.9 dBm |
Notes. Number of channels corresponds to the 1.5 GHz setup, which is the default.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.