AC-DC Flyback Converter

1
(No Transcript)
2
HVC
???????????????????, ????/???
AC-DC Flyback Converter
????????????????, ?????????/??
Power,Inverter,?????,HID,?????,???,VOIP,LED?????
3
HVC
??????????????, ?????????/?? ????????????
????Power,HID,??,RJ45,STB
????????????????, ?????????/?? ??????,???????????
??, ???????????
Power,Inverter,HID,RI45,STB,POS?,ADSL,LED?????
4
HVC
CCFL Inverter
?CCFL?inverter ???, ?? ????, ???????open
????????,??????????????. ????????????,
??????????????, ??????????????.
Inverter,LCD??,???,POS?,ADSL?
5
SCC
TNV Telecommunication Network Voltage
circuit SELV Safety Extra-Low Voltage lt42.4Vpeak
TNV ????????? 1 ??, ? Tip Ring ??,??????????,
?????. SELV ???? 2???? ??????? ???. ???????????,
? 1??? 2???????, ??????? X??.
Power,ADSL,FAX,???,Voip,Medem?????
6
TCX
?DSC?????????? ?? ??? (25kv), ????????????
300V????. ????????????????????,
???DF(ESR)??????( 100A).?DF(ESR)????????fail .
????,???,LED???????
7
LDC
?????????? ???? .
ADSL,Modem,W-lan , Inverter,VOIP?????
8
HCN
???? XDSL ???? ??????? ???? .
Rx Filter
ADSL,Modem,W-lan , ???,?????????Q??????
9
HCN
???? XDSL ???? ??????? ???? .
XDSL,Modem,W-lan , ???????Q??????
10
HCX
DC-DC Converter
Filter ??????(smoothing) ??, ?????????DC-DC
converter ??????, ?????????ESR? ??,
????????smoothing ??, ????????????, ??????
??(??)?????????, ?????????buffer. .
Filter
Isolation Transformer
Power,?????,?????,????,LED???????
11
HCY
DC-Fan
?C FAN???, ???????????????????, ?????????????,
???????????????, ??? Dc-Bias ???????????RC???. .
?????,Switching,DC-FAN?
12
RFC
Coupling(??)?? ??? ????,????????????????. ??RF??,
??Q????????????.
VCO
Vcc
Coupling Circuit
????,????,W-LAN,RF-??,??-??,VCO,BPF,DUP,PA????,?Q?
????
13
RFC
PA
???? 1.?????1,2 2.IR??????? ???????,?
????????. ?IR????????. 3.??LC????Q(DF)
???????.
Resonant Circuit
W-LAN,RF-??,??-??,VCO,BPF,DUP,PA????,?Q??
14
RFC
DUPLEXER
? DUPLEXER(????), ????? ????????. ?????????
?,????????????, ??????????. ??????????????,??matc
hing ?????. .
W-LAN,RF-??,??-??,VCO,BPF,DUP,PA????,?Q??
15
SAC
Ring








Tip
? ?????, ??????? Ring ??? 110Vac ?????,
??????????, ?????Ring ??, ????????. ?????????Ring
AC ???? ??. .
???,???,VOIP,Modem?????