Peregrine Semiconductor, a supplier of integrated circuits for wireless communications, announced it has raised $14 million in the first tranche of its Series A1 round, led by Morgenthaler Ventures and Wasserstein Ventures.   . . .   n&k Technology, a Santa Clara, Calif.-based manufacturer of metrology tools for thin-film characterization and trench and critical dimension measurements, has selected three new representatives to promote its products in the Asia Pacific region: CrystalTech Scientific Inc. and Taiwan Inabata Sangyo Co. Ltd. will represent n&k in Taiwan, and PTL International Corp. will represent n&k in Korea.