Omnisys There are a few different activities at Omnisys that may be of your interests. –New correlation spectrometer IC’s. –New FFT spectrometers –Future cross correlators

New correlation spectrometer ASIC The new correlation spectrometer ASIC that is scheduled for tape out in august have an on-chip ADC and covers –8 GHz of bandwidth – bit channels –0.3 mW/ch/GHz plus 350 mW –256, 512, 768 or 1024 channels –Bandwidth: 100 MHz - 8 GHz. The ASIC can be used for cross correlation of a single baseline but the design as such can be used for very advanced cross correlator as well. The power consumption and processing bandwidth is an order of magnitude better than we have been presented.

New FFT spectrometer modules The new FFT spectrometer modules that has been ordered and delivered to a few customers already –2 GHz of bandwidth per spectrometer board –Four inputs are provided on the board –4 x 500 MHz and 2x1000 MHz has been demonstrated –1 x 2000 MHz in the pipeline. The board is based on Virtex-4 FPGA’s and we could configure various forms of cross correlators and we can produce custom hardware in a few months lead time.

Future cross correlators For the future cross correlators, we have closed a study of interferometers in geosynchronous orbit for aeronomy applications and are implementing a demonstrator now. The cross correlator should cover up to –8 GHz of bandwith over –150 cross correlated dual polarisation receiver elements. It is estimated that this can be accomplished within a power budget of W with the technology available

Correlators ODIN (in space...) IntRad 4-8 GHz / 4096 channels 10 W / 493 grams 7.9 GHz CW signal correlated at 17.2 GHz sample clock

FPGA based 100x160 mm board Dynamic range Stability 500 MHz spectra (S-R)/R after many minutes