Jerry Quiroga 1-26-11 EE 491 So far, I have been researching the current measuring system, and I have been also searching for websites that supply some of the components used for some of the different circuits. Weblinks for Spacecraft Instrumentation: /* Current Measuring System */ http://circuits.linear.com/13 http://cds.linear.com/docs/Datasheet/60789fa.pdf http://www.linear.com/pc/productDetail.jsp?navId=H0,C1,C1154,C1009,C1077,P37671 http://www.allegromicro.com/en/Products/Part_Numbers/0750/ http://cds.linear.com/docs/Datasheet/6106fa.pdf http://aries.ucsd.edu/najmabadi/CLASS/MAE140/NOTES/opamp.pdf http://opencourseware.kfupm.edu.sa/colleges/ces/ee/ee303/files%5C3-Lesson_Notes_Lecture_12.pdf http://www-personal.engin.umd.umich.edu/~fmeral/ELECTRONICS%20II/01%25c3-Misc%20Notes/Log&InverseLogAmp.pdf http://www.ecircuitcenter.com/circuits/opint/opint.htm http://focus.ti.com/lit/ds/symlink/opa129.pdf http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=US&WT.z_homepage_link=hp_go_button&KeyWords=aqv227&x=0&y=0 http://www.panasonic-electric-works.com/catalogues/downloads/photomos/ds_x615_en_aqv22n.pdf http://pewa.panasonic.com/assets/pcsd/catalog/aqv-dip-form-b-reinforced-isolation-catalog.pdf http://www.icsupply.com/itemdetail.asp?id=FB4ECEF6-DD03-4F76-A8F7-820A5741AD1A (MAX4206) http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MAX4206ETE%2B-ND (MAX4206) http://www.feeling-tech.com.tw/km-master/ezcatfiles/cust/img/img/24/fp130akv09-lf.pdf (FP130A) /* Search for diodes with small saturation currents */ http://library.thinkquest.org/12666/junction.html /* Switching Power Supply */ http://www.smps.us/smpsdesign.html http://www.national.com/an/AN/AN-556.pdf Microelectronic Circuits: Pages 171-184 /* Instrumentation Amplifier (INA128) */ http://focus.ti.com/lit/ds/symlink/ina128.pdf http://compare.ebay.com/like/180609662347?var=lv<yp=AllFixedPriceItemTypes&var=sbar&rvr_id=202672901148&crlp=1_263602_309572&UA=%3F*F%3F&GUID=b9170cae12d0a0aad5127752fee5fbf4&itemid=180609662347&ff4=263602_309572