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How to achieve 180 degree exact phase shift by using digital circuits?

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bhargav.scsvmv

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How to achieve 180 degree exact phase shift by using digital circuits?
 

may be this will help you
**broken link removed**
 

a) Digital clock manager's an inbuilt resource in most of fpga can be configured to get 180 degree phase shift.
b) Bufgds that is differential signaling buffers which are also inbuilt resource of most of FPGA can be used
 

Why don't you use a shift register in parallel in parallel out operation? It will give you a output wave with a delay of one clock pulse which is same as 180 degrees phase shift
 

Why don't you use a shift register in parallel in parallel out operation? It will give you a output wave with a delay of one clock pulse which is same as 180 degrees phase shift

U mean input in registers will be same as clk, right? won't it give timing violations(clk rising/falling edge will coincide with those of input).
This apart if you ignore timing violations(which you shouldn't), don't you think it'll get 360 phase shift??
 

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