HP E3633A - Page 148

Chapter 7 Tutorial
Overview of HP E3633A and HP E3634A Operation
147
7
Overview of HP E3633A and HP E3634A Operation
7KH#EDVLF#GHVLJQ#WHFKQLTXH/#ZKLFK#KDV#QRW#FKDQJHG#RYHU#WKH#\HDUV/#FRQVLVWV#RI#
SODFLQJ#D#FRQWURO#HOHPHQW#LQ#VHULHV#ZLWK#WKH#UHFWLILHU#DQG#ORDG#GHYLFH1#)LJXUH#
:04#VKRZV#D#VLPSOLILHG#VFKHPDWLF#RI#D#VHULHV#UHJXODWHG#VXSSO\#ZLWK#WKH#
SKDVH0FRQWUROOHG#SUH0UHJXODWRU#GHVFULEHG#DV#D#SRZHU#VZLWFK#DQG#WKH#VHULHV#
HOHPHQW#GHSLFWHG#DV#D#YDULDEOH#UHVLVWRU1#7KH#SKDVH0FRQWUROOHG#SUH0UHJXODWRU#
PLQLPL]HV#WKH#SRZHU#GLVVLSDWHG#DW#WKH#VHULHV#HOHPHQW#E\#PDLQWDLQLQJ#WKH#
YROWDJH#GURS#DFURVV#WKH#VHULHV#HOHPHQW#DW#D#ORZ#DQG#FRQVWDQW1#)HHGEDFN#FRQWURO#
FLUFXLWV#FRQWLQXRXVO\#PRQLWRU#WKH#RXWSXW#DQG#DGMXVW#WKH#VHULHV#UHVLVWDQFH#WR#
PDLQWDLQ#D#FRQVWDQW#RXWSXW#YROWDJH1#%HFDXVH#WKH#YDULDEOH#UHVLVWDQFH#RI#)LJXUH#
:04#LV#DFWXDOO\#RQH#RU#PRUH#SRZHU#WUDQVLVWRU#RSHUDWLQJ#LQ#WKH#OLQHDU#+FODVV#$,#
PRGH/#VXSSOLHV#ZLWK#WKLV#W\SH#RI#UHJXODWRU#DUH#RIWHQ#FDOOHG#OLQHDU#SRZHU#
VXSSOLHV1#/LQHDU#SRZHU#VXSSOLHV#KDYH#PDQ\#DGYDQWDJHV#DQG#XVXDOO\#SURYLGH#WKH#
VLPSOHVW#PRVW#HIIHFWLYH#PHDQV#RI#VDWLVI\LQJ#KLJK#SHUIRUPDQFH#DQG#ORZ#SRZHU#
UHTXLUHPHQWV1
Figure 7-1. Diagram of Simple Series Power Supply
7KLV#SRZHU#VXSSO\#KDV#WZR#UDQJHV/#DOORZLQJ#PRUH#YROWDJH#DW#D#ORZHU#FXUUHQW1#
7R#PDLQWDLQ#WKH#YROWDJH#DFURVV#WKH#SUH0UHJXODWRU#HIILFLHQW#LQ#DFFRUGDQFH#ZLWK#
WKH#GHPDQGV#LPSRVHG#E\#WKH#GF#RXWSXW#YROWDJH#DQG#FXUUHQW#RI#WKH#VXSSO\/#WKLV#
SRZHU#VXSSO\#DOVR#XVHV#WKH#SUH0UHJXODWRU#ZKLFK#LV#FRQWUROOHG#E\#WUDQVIRUPHU#
WDS#VZLWFKLQJ#EHIRUH#WKH#UHFWLILHU#EULGJH#LQ#WKH#)LJXUH#:041#7KLV#LV#RQH#RI#VHYHUDO#
WHFKQLTXHV#XVLQJ#VHPLFRQGXFWRUV#IRU#SUHUHJXODWLRQ#WR#UHGXFH#WKH#SRZHU#
GLVVLSDWHG#DFURVV#WKH#VHULHV#HOHPHQW1