barittdiodebariumbarium titanatebarkhausen criteriabarkhausen effectbarkhausen kurz oscillator barkhausen oscillatorbarkhausen magnetbarkhausen oscillationbarnett effectbarographbarometerbarometric pressurebarrel distortionbarrel shiltterbarrel stave reflector cut paraboloid reflectorbarreterbarrierbarrier capaciancebarrier diodebarrier injection transit time diodebarrier potentialbarrier voltagebasebase addressbase band systembase biasbase chargebase curentbase filmbase foaded antennabase impuritybase injectionbase insulatorbase linebase materialbase metalbase modulationbase regionbase registerbase resistancebase spreading resistancebase stationbase typebasebandbasegroupbaseline dwell timebasicbasic bit map methodbasic input output systembasic master group