超声波-自激式-振荡电路

273Vol.27No.3JournalofHenanVocation2TechnicalTeachersCollege19999Sep.1999a(,453003)()()():,:;;;:O462.11,,AB,;,[3];,,,,[4],[1],,,1880A,1883,,,,,,,,,,12,1,,1,2,3,4,5,,,,,(0.1mm),;,,,a:1999205228.::(19572),,,©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(),;,,,,:2.1,,,,,,,,,,2.2,,,,,,,,,Q,,,,,(2.7)(1),,,,,,110-2Lm,,10103,,,22.3(),,,,,,,VMOS,23220V,D5D6D7D8300V,C1C2,C1C2,C1,C1,R1T1,T1,C5L4L1P2TC5,BC,C5L4L1P2T,fs=1ö2(L4+L1)C,973:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.CC5P2TC0,C=C5C0C5+C0C5C0L4L1,L4,L4,L1L2L3,,L1L2L3,L2L3,T1T2T1C5,,L2,T1,L2L3,L2T1,L3L2,C5T2L1L3,T1T2,C5L4P2T,D3D4,T1T2,T1T2D1R3D2R4,(1)L2L3T1T2,,(2)R3R4,T1T2,T1T2,,T1T2,,,,4,,1,,..,1995.12,,..:,1990.73,,..(),1994,22(4):25274,..,1994.22(3)5,,..,1993.18(1)29336,,..,1998,44()4547StudyonUltrasonicDrivenCircuitHongXinhuaetal.(HenanVocation2TechnicalTeachersCollege,Xinxiang453003)ABSTRACTStudiedthemechanismofhowtoproduceultrasonicandthefunctionsofthemachine,analyzedtheultrasonicdrivencircuitanditsprincipleofworking.KEYWORDSpiezoelectriceffects,anti-piezoelectriceffects,drivencircuit081999©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.