... radio reception and broadcasting, for instance.Two (or more) inductors that have coupled magnetic flux form a transformer, which is a fundamental ... 3) Radio cassette player 4) PC power supply 5) Monitor,audio,VCD,DCD 6) UPS 7) The electronic apparatus8) The noise ... DC-DC converter,LED the driver, backlighting devices, charger, car audio .Be able to design and manufacture under customer's special ...