Abstract: Aerodynamic particle sizer can measure the aerodynamic diameter and optic diameter of the aerosol particles simultaneously. Based on large-scale programmable logic chips and dual-port high-speed large-capacity memory chips

a high-speed and large-capacity aerosol particles classification count storage is designed using multi-channel storage technology. The device has the following main features: two combined functions of single pulse counter and characteristic signal classification counter

the storage capacity of up to 65535 channels and each can count to 65535

a typical operating speed of up to 15nS

and simple circuit. As a key storage component of the aerodynamic particle sizer developed by our institute

this storage satisfies the requirements on the speed and capacity requested by a continuous

real-time and on-line monitor.