| A Wide-band 2-path cross-coupled sigma delta ADC Recent countries visiting this post |  |
 | 8 | United States |
 | 4 | China |
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| A Wide-band 2-path cross-coupled sigma delta ADC Recent countries visiting this post | |
| 8 | United States |
| 4 | China |
| 1 | Russian Federation |
| 1 | Japan |
| 1 |