I know how to design a narrow band transmission filter. Off-hand I do
not see to extend the design to two or more transmission peaks. For
example, how can you design a thin-film filter with sharp transmission
at 450nm and 550nm.
For a single transmission line, you put a half-wave layer between two
stacks of repeated quarter-wave HL.
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Re: RS232? ... I am still confusing with RS232 transmission and receiving algorithm ... Does anyone has a practical application example with circuit design... I just do not understand how the receiving circuit knows which bit is ... (sci.electronics.design)
