i started my design of my circuit for the etching process, it was a wonderful experience when i learn on how to design and etch my own circuit, where there are few methods on how to do the etching process, those days the process of etching needs tracks, ic's and dots where these 3 things are important to trace on the pcb board. From the circuit itself we can draw the dots on where are the components are placed. Other than that, the latest technology requires on using the quick pcb software where just place the components on the drawing and connect the joint. I did the old way where once i design my pcb board, next i just trace the sticker on the pcb board. After tracing, the board is ready to etch..the other ways is to print out the design, lay on the pcb board and iron onto it. Then the process of etch is ready to be done.
Thursday, 16 February 2012
Saturday, 4 February 2012
studying the datasheet of the ic's
i manage to find out and study the function on how n why to use the ic's in the circuit, well...the ic used are 4060 n 4093..from here, i know that the 4093 ic is an ic schmitt trigger, whereby this ic is important to shape the wave to send input to the ic 4060...the ic 4060 is the 14 ripple stage counter and oscillator ic, it is used to set time for the electronic sleep inducer...it is important to have this two ic's, due to the the 4093 ic is turning the sin wave to square wave, and the 4060 ic is to interpret the data, to receive the waves and change it into the signals needed...
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