topswitch芯片单端反激式开关电源.mht

搜集的关于高精度电源设计的一些资料

href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C8=CF=D6=A4=BF=BC=CA=
=D4&amp;xiaolei=3D=CE=A2=C8=ED=C8=CF=D6=A4">=CE=A2=C8=ED=C8=CF=D6=A4</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C6=E4=CB=FB=C0=B8=C4=
=BF&amp;xiaolei=3D=CE=C0=D0=C7=CD=A8=D0=C5">=CE=C0=D0=C7=CD=A8=D0=C5</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C6=E4=CB=FB=C0=B8=C4=
=BF&amp;xiaolei=3D=CE=C4=BC=FE=B9=DC=C0=ED">=CE=C4=BC=FE=B9=DC=C0=ED</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C8=ED=BC=FE=BD=CC=D1=
=A7&amp;xiaolei=3D=CF=B5=CD=B3=B9=A4=BE=DF">=CF=B5=CD=B3=B9=A4=BE=DF</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C8=ED=BC=FE=BD=CC=D1=
=A7&amp;xiaolei=3D=CF=E0=B9=D8=C8=ED=BC=FE">=CF=E0=B9=D8=C8=ED=BC=FE</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=D2=B3=D6=C6=D7=
=F7&amp;xiaolei=3D=D0=C4=B5=C3=BC=BC=C7=C9">=D0=C4=B5=C3=BC=BC=C7=C9</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=C8=ED=BC=FE=BD=CC=D1=
=A7&amp;xiaolei=3D=D1=B9=CB=F5=B9=A4=BE=DF">=D1=B9=CB=F5=B9=A4=BE=DF</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=C2=E7=B1=E0=B3=
=CC&amp;xiaolei=3D=D2=C6=B6=AF=B6=CC=D0=C5=B6=AF=CC=AC">=D2=C6=B6=AF=B6=CC=
=D0=C5=B6=AF=CC=AC</A></TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=C2=E7=B1=E0=B3=
=CC&amp;xiaolei=3D=D2=C6=B6=AF=B6=CC=D0=C5=B7=BD=B0=B8">=D2=C6=B6=AF=B6=CC=
=D0=C5=B7=BD=B0=B8</A></TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=C2=E7=B1=E0=B3=
=CC&amp;xiaolei=3D=D2=C6=B6=AF=B6=CC=D0=C5=BC=BC=CA=F5">=D2=C6=B6=AF=B6=CC=
=D0=C5=BC=BC=CA=F5</A></TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=C2=E7=B1=E0=B3=
=CC&amp;xiaolei=3D=D2=C6=B6=AF=B7=FE=CE=F1=BD=E2=BE=F6=B7=BD=B0=B8">=D2=C6=
=B6=AF=B7=FE=CE=F1=BD=E2=BE=F6=B7=BD=B0=B8</A></TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=CD=F8=C2=E7=B1=E0=B3=
=CC&amp;xiaolei=3D=D2=C6=B6=AF=D0=D0=D2=B5=B6=AF=CC=AC">=D2=C6=B6=AF=D0=D0=
=D2=B5=B6=AF=CC=AC</A></TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=B3=E5=C0=CB=B1=A6=B5=
=E4&amp;xiaolei=3D=D3=CA=BC=FE=B9=A4=BE=DF">=D3=CA=BC=FE=B9=A4=BE=DF</A><=
/TD></TR>
                    <TR>
                      <TD style=3D"FONT-SIZE: 12px" =
height=3D22>&nbsp;<IMG=20
                        =
src=3D"http://www.chayedan.com/tech/show.files/listmark.gif">=20
                        <A style=3D"COLOR: #c30"=20
                        =
href=3D"http://www.chayedan.com/Default.asp?dalei=3D=B2=D9=D7=F7=CF=B5=CD=
=B3&amp;xiaolei=3D=D7=A2=B2=E1=B1=ED">=D7=A2=B2=E1=B1=ED</A></TD></TR>
                    <TR>
                      <TD=20
                style=3D"FONT-SIZE: =
12px"><BR><BR></TD></TR></TBODY></TABLE></TD></TR>
              <TR>
                <TD style=3D"FONT-SIZE: 12px; LINE-HEIGHT: 1.5" =
vAlign=3Dtop>
                  =
<CENTER>=D0=ED=D3=C0=BE=FC</CENTER><BR><BR>=A1=A1=A1=A1=A3=A8=B6=AB=C4=CF=
=B4=F3=D1=A7 =B5=E7=C6=F8=B9=A4=B3=CC=CF=B5=A3=AC=BD=AD=CB=D5 =
=C4=CF=BE=A9 210018=A3=A9=20
                  =
<BR><BR>=A1=A1=A1=A1=D5=AA=A1=A1=D2=AA=A3=BATOPSwitch=C6=F7=BC=FE=CA=C7=D2=
=BB=D6=D6=D0=C2=D0=CD=B5=A5=C6=AC=BF=AA=B9=D8=B5=E7=D4=B4=D0=BE=C6=AC=A3=AC=
=CB=FC=B3=FD=C1=CB=D2=BB=B0=E3=B5=C4PWM=BF=D8=D6=C6=B9=A6=C4=DC=CD=E2=A3=AC=
=BB=B9=BC=AF=B3=C9=C1=CB=D7=D4=B6=AF=D6=D8=C6=F4=B9=A6=C4=DC=A3=AC=B9=FD=C1=
=F7=A1=A2=B9=FD=C8=C8=B1=A3=BB=A4<BR><BR>=A1=A1=A1=A1=B9=A6=C4=DC=A3=AC=B4=
=F3=B9=A6=C2=CAMOSFET=B5=C8=A1=A3=B1=BE=CE=C4=BD=E9=C9=DC=C1=CBTOPSwitch=CF=
=B5=C1=D0=D0=BE=C6=AC=B5=C4=B9=A4=D7=F7=D4=AD=C0=ED=D2=D4=BC=B0=C9=E8=BC=C6=
=B7=BD=B7=A8=A1=A3=CA=B9=D3=C3=CB=FC=D6=C6=D7=F7=B8=DF=C6=B5=BF=AA=B9=D8=B5=
=E7=D4=B4=A3=AC=BE=DF=D3=D0=B3=C9=B1=BE=B5=CD=A3=AC=B5=E7=C2=B7=BC=F2=B5=A5=
=A3=AC=D0=A7=C2=CA=B8=DF=B5=C8=D3=C5=B5=E3=A1=A3=20
                  =
<BR><BR>=A1=A1=A1=A1=B9=D8=BC=FC=B4=CA=A3=BA=B5=A5=C6=AC=BF=AA=B9=D8=B5=E7=
=D4=B4=A3=BB=C2=F6=BF=ED=B5=F7=D6=C6 <BR><BR>=A1=A1=A1=A1Design of =
Flyback=20
                  Switching Power Supply Based on TOPSwitch Chip =
<BR><BR>=A1=A1=A1=A1XU=20
                  Yong-jun <BR><BR>=A1=A1=A1=A1=A3=A8Department of =
engineering , Southeast=20
                  University, Nanjing 210018,China=A3=A9 =
<BR><BR>=A1=A1=A1=A1Abstract=A3=BAThe=20
                  TOPSwitch element is a new type of integrated chip. =
Its=20
                  internal functions include the oscillator, start-up=20
                  bias-current source, circle-by-circle current limit, =
pulse=20
                  width modulator (PWM), thermal shutdown, auto-restart =
and gate=20
                  drive. This paper gives an overview of the principle =
and=20
                  design of TOPSwitch Chip. The switching power supply =
made by=20
                  TOPSwitch element not only has the advantages of cheap =
and=20
                  simple, but also has high energy efficiency. Key =
words: Switch=20
                  power supply; PWM <BR><BR>=A1=A1=A1=A11 =B8=C5=CA=F6=20
                  =
<BR><BR>=A1=A1=A1=A1=BF=AA=B9=D8=B5=E7=D4=B4=D2=F2=BE=DF=D3=D0=D6=D8=C1=BF=
=C7=E1=A1=A2=CC=E5=BB=FD=D0=A1=A1=A2=D0=A7=C2=CA=B8=DF=A1=A2=CE=C8=D1=B9=B7=
=B6=CE=A7=BF=ED=B5=C8=D3=C5=B5=E3=A3=AC=D4=DA=B5=E7=D7=D3=B5=E7=C6=F8=A1=A2=
=BF=D8=D6=C6=A1=A2=BC=C6=CB=E3=BB=FA=B5=C8=D0=ED=B6=E0=C1=EC=D3=F2=B5=C4=B5=
=E7=D7=D3=C9=E8=B1=B8=D6=D0=B5=C3=B5=BD=C1=CB=B9=E3=B7=BA=B5=C4=CA=B9=D3=C3=
=A1=A3TOPSwitch=A3=A8Three-terminal=20
                  Off-line PWM =
Switch=A3=A9=B5=A5=C6=AC=BF=AA=B9=D8=B5=E7=D4=B4=CA=C7=C3=C0=B9=FAPI =
(Power Integration )=20
                  =
=B9=AB=CB=BE=D3=DA=C9=CF=CA=C0=BC=CD90=C4=EA=B4=FA=D6=D0=C6=DA=CD=C6=B3=F6=
=B5=C4=D0=C2=D0=CD=B8=DF=C6=B5=BF=AA=B9=D8=B5=E7=D4=B4=D0=BE=C6=AC=A3=AC=B1=
=BB=D3=FE=CE=AA"=B6=A5=BC=B6=BF=AA=B9=D8=B5=E7=D4=B4"=A3=AC=CB=FC=BD=F6=D3=
=C3=C1=CB3=B8=F6=B9=DC=BD=C5=BE=CD=BD=AB=CD=D1=CF=DF=CA=BD=BF=AA=B9=D8=B5=
=E7=D4=B4=CB=F9=B1=D8=D0=E8=B5=C4=BE=DF=D3=D0=B8=DF=D1=B9N=B9=B5=B5=C0=B9=
=A6=C2=CAMOS=B3=A1=D0=A7=D3=A6=B9=DC=A1=A2=B5=E7=D1=B9=D0=CDPWM=BF=D8=D6=C6=
=C6=F7=A1=A2100kHz=B8=DF=C6=B5=D5=F1=B5=B4=C6=F7=A1=A2=B8=DF=D1=B9=C6=F4=B6=
=AF=C6=AB=D6=C3=B5=E7=C2=B7=A1=A2=BB=F9=D7=BC=B5=E7=D1=B9=A1=A2=D3=C3=D3=DA=
=BB=B7=C2=B7=B2=B9=B3=A5=B5=C4=B2=A2=C1=AA=C6=AB=D6=C3=B5=F7=D5=FB=C6=F7=A1=
=A2=CE=F3=B2=EE=B7=C5=B4=F3=C6=F7=BA=CD=B9=CA=D5=CF=B1=A3=BB=A4=B9=A6=C4=DC=
=BF=E9=B5=C8=C8=AB=B2=BF=BC=AF=B3=C9=D4=DA=D2=BB=C6=F0=C1=CB=A1=A3=B2=C9=D3=
=C3TOPSwitch=C6=F7=BC=FE=B5=C4=BF=AA=B9=D8=B5=E7=D4=B4=D3=EB=B7=D6=C1=A2=B5=
=C4MOSFET=B9=A6=C2=CA=BF=AA=B9=D8=BC=B0PWM=BC=AF=B3=C9=BF=D8=D6=C6=B5=C4=BF=
=AA=B9=D8=B5=E7=D4=B4=CF=E0=B1=C8=A3=AC=BE=DF=D3=D0=B5=E7=C2=B7=BD=E1=B9=B9=
=BC=F2=BD=E0=A1=A2=B3=C9=B1=BE=B5=CD=C1=AE=A1=A2=D0=D4=C4=DC=CE=C8=B6=A8=A1=
=A2=D6=C6=D7=F7=BC=B0=B5=F7=CA=D4=B7=BD=B1=E3,=20
                  =
=D7=D4=B1=A3=BB=A4=CD=EA=C9=C6=B5=C8=D3=C5=B5=E3=A1=A3=B5=E4=D0=CD=B5=C4T=
OPSwitch=B5=A5=B6=CB=B7=B4=BC=A4=CA=BD=BF=AA=B9=D8=B5=E7=D4=B4=B5=E7=C2=B7=
=D4=AD=C0=ED=CD=BC=C8=E7=CD=BC1=CB=F9=CA=BE=A1=A3 =
<BR><BR>=A1=A1=A1=A1=CD=BC1=20
                  =
=B5=E4=D0=CD=B5=C4TOPSwitch=B5=A5=B6=CB=B7=B4=BC=A4=CA=BD=BF=AA=B9=D8=B5=E7=
=D4=B4=B5=E7=C2=B7=D4=AD=C0=ED=CD=BC <BR><BR>
                  <DIV align=3Dcenter><IMG=20
                  =
src=3D"http://www.c114.net/technic/picture/040518-1.gif"></DIV><BR><BR>=A1=
=A1=A1=A12=20
                  =
TOPSwitch=CF=B5=C1=D0=D0=BE=C6=AC=B9=A4=D7=F7=D4=AD=C0=ED=20
                  =
<BR><BR>=A1=A1=A1=A1=CD=BC2=CE=AATOPSwitch=D0=BE=C6=AC=B5=C4=C4=DA=B2=BF=BD=
=E1=B9=B9=CD=BC=A3=ACTOPSwitch=D0=BE=C6=AC=CA=C7=D2=BB=B8=F6=D7=D4=C6=AB=D6=
=C3=A1=A2=D7=D4=B1=A3=BB=A4=B5=C4=B5=E7=C1=F7--=D5=BC=BF=D5=B1=C8=CF=DF=D0=
=D4=BF=D8=D6=C6=D7=AA=BB=BB=C6=F7=A1=A3=CD=A8=B3=A3=D4=DA=BF=D8=D6=C6=BC=AB=
=BA=CD=D4=B4=BC=AB=D6=AE=BC=E4=A3=AC=BD=F4=BF=BF=C6=E4=B9=DC=BD=C5=A3=AC=B2=
=A2=C1=AA=D2=BB=B8=F6=CD=E2=B2=BF=C5=D4=C2=B7=B5=E7=C8=DD=A1=A3=20
                  <BR><BR>=A1=A1=A1=A1=CD=BC2 =
TOPSwitch=D0=BE=C6=AC=B5=C4=C4=DA=B2=BF=BD=E1=B9=B9=CD=BC <BR><BR>
                  <DIV align=3Dcenter><IMG=20
                  =
src=3D"http://www.c114.net/technic/picture/040518-2.gif"></DIV><BR><BR>=A1=
=A1=A1=A1=B5=E7=D4=B4=C6=F4=B6=AF=CA=B1=A3=AC=C1=AC=BD=D3=D4=DA=C2=A9=BC=AB=
=BA=CD=D4=B4=BC=AB=D6=AE=BC=E4=B5=C4=C4=DA=B2=BF=B8=DF=D1=B9=B5=E7=C1=F7=D4=
=B4=CF=F2=BF=D8=D6=C6=BC=AB=B3=E4=B5=E7=A3=AC=D4=DARE=C1=BD=B6=CB=B2=FA=C9=
=FA=D1=B9=BD=B5=A3=AC=BE=ADRC=C2=CB=B2=A8=BA=F3=A3=AC=CA=E4=C8=EB=B5=BDPW=
M=B1=C8=BD=CF=C6=F7=B5=C4=CD=AC=CF=E0=B6=CB=A3=AC=D3=EB=D5=F1=B5=B4=C6=F7=
=B2=FA=C9=FA=B5=C4=BE=E2=B3=DD=B2=A8=B5=E7=D1=B9=CF=E0=B1=C8=BD=CF=A3=AC=B2=
=FA=C9=FA=C2=F6=BF=ED=B5=F7=D6=C6=D0=C5=BA=C5=B2=A2=C7=FD=B6=AFMOSFET=B9=DC=
=A3=AC=D2=F2=B6=F8=BF=C9=CD=A8=B9=FD=BF=D8=D6=C6=BC=AB=CD=E2=BD=D3=B5=C4=B5=
=E7=C8=DD=B3=E4=B5=E7=B9=FD=B3=CC=C0=B4=CA=B5=CF=D6=B5=E7=C2=B7=B5=C4=C8=ED=
=C6=F4=B6=AF=A1=A3=B5=B1=BF=D8=D6=C6=BC=AB=B5=E7=D1=B9Uc=B4=EF=B5=BD5.7V=CA=
=B1=A3=AC=C4=DA=B2=BF=B8=DF=D1=B9=B5=E7=C1=F7=D4=B4=B9=D8=B1=D5=A3=AC=B4=CB=
=CA=B1=D3=C9=B7=B4=C0=A1=BF=D8=D6=C6=B5=E7=C1=F7=CF=F2Uc=B9=A9=B5=E7=A1=A3=
=D4=DA=D5=FD=B3=A3=B9=A4=D7=F7=BD=D7=B6=CE=A3=AC=D3=C9=CD=E2=BD=E7=B5=E7=C2=
=B7=B9=B9=B3=C9=B5=E7=D1=B9=B8=BA=B7=B4=C0=A1=BF=D8=D6=C6=BB=B7=A3=AC=B5=F7=
=BD=DA=CA=E4=B3=F6=BC=B6MOSFET=B5=C4=D5=BC=BF=D5=B1=C8=D2=D4=CA=B5=CF=D6=CE=
=C8=D1=B9=A1=A3=B5=B1=CA=E4=B3=F6=B5=E7=D1=B9=C9=FD=B8=DF=CA=B1=A3=ACUc=C9=
=FD=B8=DF=A3=AC=B2=C9=D1=F9=B5=E7=D7=E8RE=C9=CF=B5=C4=CE=F3=B2=EE=B5=E7=D1=
=B9=D2=E0=C9=FD=B8=DF=A1=A3=B6=F8=D4=DA=D3=EB=BE=E2=B3=DD=B2=A8=B1=C8=BD=CF=
=BA=F3=A3=AC=BD=AB=CA=B9=CA=E4=B3=F6=B5=E7=D1=B9=B5=C4=D5=BC=BF=D5=B1=C8=BC=
=F5=D0=A1=A3=AC=B4=D3=B6=F8=CA=B9=BF=AA=B9=D8=B5=E7=D4=B4=B5=C4=B5=E7=D1=B9=
=BC=F5=D0=A1=A1=A3=B5=B1=BF=D8=D6=C6=BC=AB=B5=E7=D1=B9=B5=CD=D3=DA4.7V=CA=
=B1=A3=ACMOSFET=B9=DC=B9=D8=B1=D5=A3=AC=BF=D8=D6=C6=B5=E7=C2=B7=B4=A6=D3=DA=
=D0=A1=B5=E7=C1=F7=B5=C8=B4=FD=D7=B4=CC=AC=A3=AC=C4=DA=B2=BF=B8=DF=D1=B9=B5=
=E7=C1=F7=D4=B4=D6=D8=D0=C2=BD=D3=CD=A8=B2=A2=CF=F2Uc=B3=E4=B5=E7=A3=AC=C6=
=E4=B9=D8=B6=CF/=D7=D4=B6=AF=B8=B4=CE=BB=D6=CD=BB=D8=B1=C8=BD=CF=C6=F7=BF=
=C9=CA=B9Uc=B1=A3=B3=D6=D4=DA4.7V~5.7V=D6=AE=BC=E4=A1=A3=CD=BC3=CB=F9=CA=BE=
=CA=C7=C6=E4=D4=CB=D0=D0=B2=A8=D0=CE=CD=BC=A3=AC=D6=D0a=CD=BC=CE=AA=D5=FD=
=B3=A3=D4=CB=D0=D0=B2=A8=D0=CE=A3=AC=A3=E2=CD=BC=CE=AA=D7=D4=B6=AF=D6=D8=C6=
=F4=B2=A8=D0=CE=A1=A3=D7=D4=B6=AF=D6=D8=C6=F4=B5=E7=C2=B7=BE=DF=D3=D0=D2=BB=
=B8=F6=B0=CB=B7=D6=C6=B5=BC=C6=CA=FD=C6=F7=A3=AC=BF=C9=D2=D4=D7=E8=D6=B9=CA=
=E4=B3=F6=BC=B6MOSFET=D4=D9=B4=CE=B5=BC=CD=A8=A3=AC=D6=B1=B5=BD=B0=CB=B8=F6=
=B7=C5=B5=E7--=B3=E4=B5=E7=D6=DC=C6=DA=CD=EA=B3=C9=CE=AA=D6=B9=A1=A3=D2=F2=
=B4=CB=A3=AC=D4=DA=D7=D4=B6=AF=D6=D8=C6=F4=C6=DA=BC=E4=A3=AC=D5=BC=BF=D5=B1=
=C8=BF=D8=D6=C6=D4=DA=A3=B5%=D7=F3=D3=D2=BF=C9=D3=D0=D0=A7=B5=D8=CF=DE=D6=
=C6=D0=BE=C6=AC=B5=C4=B9=A6=BA=C4=A1=A3=D7=D4=B6=AF=D6=D8=C6=F4=B6=AF=B5=E7=
=C2=B7=D2=BB=D6=B1=B9=A4=D7=F7=B5=BDUc=BD=F8=C8=EB=CA=DC=BF=D8=D7=B4=CC=AC=
=CE=AA=D6=B9[1]=A1=A3=20
                  <BR><BR>=A1=A1=A1=A1=CD=BC3 =
=BF=D8=D6=C6=B6=CB=B5=E7=D1=B9=B2=A8=D0=CE=CD=BC <BR><BR>
                  <DIV align=3Dcenter><IMG=20
                  =
src=3D"http://www.c114.net/technic/picture/040518-3.gif"></DIV><BR><BR>=A1=
=A1=A1=A13=20
                  =BF=AA=B9=D8=B5=E7=D4=B4=B5=C4=B5=E7=C2=B7=C9=E8=BC=C6 =
<BR><BR>=A1=A1=A1=A11=A3=A9 =
=D1=A1=D4=F1TOPSwitch=D0=BE=C6=AC=B5=C4=D0=CD=BA=C5 =