Transcription of 二極體之整流電路 - shs.edu.tw
1 1 GPS MP3 .. (1) (2) (3) (1) varicap diode rectifying ( ) ( ) 2 (2) ( ) (forward bias)
2 PN N P PN (reverse bias) PN N P P N 3 (3) : 1 IF( 90 ) 2 PIV( 270 ) 3 4 A ( ON) (OFF) 1 1 -++- -++- -+ -+ 4 B 2 D2 D2 -+-+-+++-- - +- +- +- + 2 ( ) D2( ) C (1)
3 5 (2) ( ) 1 2 PIV 2Vm (3) ( ) 1 PIV Vm 2 : 1 2 1 2 4 PIV 1 Vm 2 Vm2 2 Vm4 Vm 1/60 1/120 fofi(60Hz) 2fi(120Hz) 1/ Vm = Vm2/ Vm = Vm 1/2Vm = Vm1/ 2 Vm = Vm Vm 121% 6 PT-12 1 1N4001~1N4007 4 1k 1/4W 1 125V 6A 1 PVC 1 3 AC110V R1AC 110 V110 V0V6V0V1k 3 4 7 2 ACV VAC=5V 3 DCV RL VDC=2V 4 VDC/VAC= 5 5 5 8 6 RL VDC 6 6 = 5V/DIV = 5ms/DIV
4 7 VDC =60Hz 1 7 AC110V R1AC 110 V 110 V0V0V12V6V1k 7 9 8 2 ACV VAC1 = 5 V VAC2=5 V VAC1 = VAC2 3 DCV VDC = 4 V 4 V DC / VAC1= VDC / VAC2= 4/5 5 9 9 10 6 RL VDC 10 10 = 5V/DIV = 5ms/DIV 7 VDC =120H 1 11 AC110V 1234 +- R1 11 AC 110 V110 V0V0V6V1k 11 12 2 ACV VAC=5 V 3 DCV RL VDC = 4 V 4 VDC/VAC=4/5 5 13 13 12 6 RL VDC 14 14 = 5V/DIV = 5ms/DIV 7 VDC =120Hz (Vav=Vdc) ( ) z z 13 z z z I z - I z - I 14
