| 摘要 |
<p>An electronic bus (2) has two rows of connectors (4) on each face and may be of any type. It is formed on a printed circuit made from an epoxy or similar material. The climatic testing chamber (6) has frames (8,10) with a side entry (12). A first part (5) of the bus (2) which has six connectors (4) on either side for cards to be tested is inserted into the testing chamber (6) where it is subjected to varying temperatures. The second part (7) of the bus (2) remains outside the chamber (6), bears test and instrumentation cards and operates under the same electrical conditions.</p> |
