Create logbook.md

docs/log/logbook.md

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+Log Book - Frequency Downconverter Proj
+ - Archieved at 2020-03-04 22:11:13 UTC
+
+Week 0
+ - Investigate background info
+ - Select IC
+ - Give out first component purchase list
+
+Week 1
+ - learn how to use Altium Designer
+ - Learn filter design
+ - Learn LT5512 data sheet
+ - Determine working frequenct at 1.9GHz-170MHz
+ - Clarify the division of responsibility
+ - Decide to choose Butterworth Filter
+
+Week 2
+ - Build schematic library
+ - Build PCB library
+ - Build missing PCB footprint
+ - Begin to think about impedance match
+ - Determined the circuit diagram except the part of IF BPF (Schematic v0.0.1)
+
+Week 3
+ - Learn how to design PCB
+ - Design impedance matching
+ - Put forward schematic v1.0.0
+ - Redesign circuit bacause of one mistake about the Balun
+ - Change working frequency from to 610MHz-80MHz
+ - Propose schematic v2.0.1
+ - Generate second component purchase list
+ - Learn Latex and Git
+
+Week 4
+ - PCB routing
+ - Ethic and sustainability report
+ - IF part simulation using ADS
+ - Convert PCB proj from Altium to EagleCAD
+
+Week 5
+ - Output gerber files
+ - Submit PCB Design to workshop
+ - Poster Design
+
+Week 6
+ - Print out poster
+ - Prepare for presentation
+ - Conclude the project
+ - Classify and publish the blog