|Table of Contents|

Design of Precise AD Module Testing System Based on USB(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2008年01期
Page:
13-17
Research Field:
Publishing date:

Info

Title:
Design of Precise AD Module Testing System Based on USB
Author(s):
Qiu Jianying; Bai Yechao; Ma Fei; Zhang Xinggan
Department of Electronics Science and Engineering,Nanjing University,Nanjing 210093,China
Keywords:
AD modu le param eter;  channel con fo rm ance;  USB;  data co llection
PACS:
TN957
DOI:
-
Abstract:
A design o f precise AD modu le testing system based on USB is introduced. Accord ing to the dem ands of radar system s, the testing system is able to automa tica lly test m any param eters, inc luding signa-l no ise ratio, signa-l to-no ise and distortion ra tio, tota l harm on ic d istortion, e ffective num ber o f b its, spurious free dynam ic rang e, two- tone inte rmodu lation d istortion, zero offset, am plitude and phase error o f o rthogona l channe ls, im ag e re jection ratio and character istics o f linear frequency modu lated pulse com pression. USB is emp loyed to connect the com puter. The com puter comp le tes the analysis o f param ete rs. The use o f com pute r sim plifies the hardw are. The testing system is sm all cubage, low cost and po rtab le. C ircu it schem atic diagram, so ftwa re flow chart and ca lcu la tion m ethod of param ete rs a re prov ided in th is paper. The testing system has a lready been used in automa tic test for theAD m odule in radar sy stem s

References:

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Last Update: 2013-04-24