| 摘要 |
FIELD: optical data processing systems. ^ SUBSTANCE: proposed multichannel reader built on semiconductor substrate has N input units, multiple-output switching unit, common read-out bus, write bus, pre-processor signal processing unit incorporating comparator, arithmetic-logic device, and memory unit; one of two comparator inputs is designed to apply digital-code signal thereto and is connected to common read-out bus; other comparator input is designed to feed reference signal; comparator output is connected to input of arithmetic-logic device whose output is connected to input of memory unit whose output is coupled with write bus; each input unit is made in the form of amplifier that has input, output, and control input, as well as two MIS transistors; first MIS transistor gate is connected to output of respective cell of multiple-output switching unit and gate, to common read-out bus; second MIS transistor gate is connected to output of next cell of multiple-output switching unit and gate, to write bus; each input unit is provided in addition with K-capacity analog-to-digital converter and L-capacity digital-to-analog converter; first MIS transistor source is connected to output of analog-to-digital converter whose input is connected to amplifier output; second MIS transistor source is connected to input of digital-to-analog converter whose output is connected to amplifier control input; common read-out bus is assembled of K buses, K being equal to capacity of analog-to-digital converter and to number of first MIS transistors connected through their gates to respective outputs of multiple-output switching unit, through drains, to respective buses of common read-out buses, and through sources, to respective inputs of analog-to-digital converters; write bus is assembled of L buses, L being equal to digital-to-analog converter capacity and to number of second MIS transistors connected through drains to respective buses forming write bus, through gates, to output of next cell of multiple-output switching unity, and through sources, to respective inputs of digital-to-analog converter. ^ EFFECT: extended dynamic range, enhanced speed, enlarged functional capabilities. ^ 1 cl, 1 dwg |
