Pacific Microchip Corp.

Spectrometers Currently Employed by Nasa Include Field Programmable Arrays (fpgas), Analog to Digital Converters (ADCS) and a Number of Other Discrete Components Assembled on a Printed Circuit Board (PCB). an Application Specific Integrated Circuit (ASIC) Based Spectrometer Offers a Great Reduction in Weight, Volume and Power Consumption Compared to the Fpga/pcb Based Implementation. This Proposal Aims to Develop a Low-power (LP) Poly-phase Spectrometer (PPS) Asic. the Proposed Asic Aims to Achieve a 4GHZ Bandwidth and 8192 Usable Frequency Bins. in Order to Implement the Required Functionality and Meet the Specifications While Consuming Below 1.5W of Power, the Proposed Asic Will Include a State-of-the-art 6-BIT Adc, a Demultiplexer, a Poly-phase Filter Bank, a Windowing Function, a Fast-fourier-transform Core, a Frequency-domain Data Analysis Block, a Data Readout, a Digital Control Unit and Testing Features. Tolerance to at Least 500KRADS of Total Ionizing Dose (TID) Radiation Will Be Achieved by Implementing the Asic Using an Ultra-thin Gate Oxide Cmos Technology. Low Power Consumption Will Be Achieved by Employing Special Multiplier-less-accumulators and Multiplier-less- Butterflies . the Power Consumption Will Be Further Reduced by Minimizing the Redundant States in the Poly-phase Filter S Fir and Ifft Block. Additional Power-saving Can Be Achieved by Switching Off the Asic S Unused Blocks, and by Internally Dividing the Clock Frequency. Phase I Work Provided the Proof of Feasibility of Implementing the Proposed Spectrometer Asic. Phase Ii Will Result in the Silicon Proven Asic S Prototypes Ready for Commercialization in Phase Iii.