A Radiation Hardened 16 GS/s Arbitrary Waveform Generator IC for a Submillimeter Wave Chirp-Transform Spectrometer
- 1 October 2018
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 1-4
Abstract
This paper describes a radiation hardening design approach of a dual channel 16 GSps single chip arbitrary waveform generator (AWG) - a complex mixed-signal ASIC - that consists of a low phase noise 16 GHz PLL, two 1.6 Mbit SRAM blocks, two multiplexing chains, and two 4-bit DACs. The ASIC is dedicated to be a part of a submillimeter wave spectrometer that shall operate in deep-space environment. Under stringent power budget conditions, a selective radiation protection of the ASIC has been applied. The arbitrary waveform generator has been fabricated in a 130 nm SiGe BiCMOS process. Correct functionality has been verified in lab and will be further tested in an irradiation facility.Keywords
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