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how to desgin a phase shifter in base band?

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kokikak2

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I want to design a phase shifter operating in the range of frequency between 10 KHZ -to- 1 MHz.
pleaze i need your replies as fast as possible.

thanks in advance.
yasser samir
 

kokikak2,

You may need to design a all pass filter for this application. Delay time will be a constant but shifted phase will be depand on frequency.

No matter you design a circuit to shift phase of tone. But it's nearly improsible to shift a board band analog signal in a same vaule of phase.

If the boardband signal be modulated by another signal then it's a different story...


Regards,
Wenye
 

Dear kokikak2
What is the phase shifter ?
Can you explain that?
 

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