EDA companies' failures come back to sting them.(electronic design automation firms in Portland, Oregon fail to complete merger talks)

The Portland area's publicly traded electronic design automation companies are still feeling a little hung over following failed merger and acquisition bids.

Mentor Graphics Corp., OrCAD and Summit Design Inc, all took big hits from special charges in the first quarter.

Meanwhile, a pair of telecommunications companies, Metro One Tele-communications Inc. and GST Telecommunications Inc., reported record results.

Mentor reported first-quarter revenue of $123 million, a 13.5 percent increase from 1998's first quarter. But the revenue gain was more than offset by $16.6 million in special charges taken in the first quarter.

The charges related …