The authors describe ongoing work by GEC-Marconi-ElectronicSystems Division in the development of a multifunction, common module,programmable digital radio/modem. The radio system handles bothconventional narrowband and spread spectrum waveforms. The architecturedeveloped is a programmable channelized approach. In the channelizedapproach the modules of one channel are identical to those of the next,and as such are ideally suited to channel reusability during differentparts of a mission or during failure modes of higher-priority functionalsystems. The hardware implementation exploits latest RF, digital/RF, anddigital signal processing component technologies. A PC-based brassboardwas developed and used to demonstrate real-time programmable AM, FM andIFF (identification friend or foe) data reception
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