A design of portable multi-channel nuclear spectrum analyzer

A kind of portable mutil-channel nuclear spectrum analyzer based on AVR MCU and USB protocol is introduced.On the hand of hardware,we give the interface of MCU to A/D converter AD976A,also to USB controller FT245BM in detail.While face the software,we show our blueprint of the firmware in MCU,and the real-time displaying application on PC,which is compiled by C~(++)Builder 6.