[sdiy] Phase Shifter

shine32 shine32 at kr.tcp-ip.or.jp
Mon Jan 23 00:36:29 CET 2017


Hi all,

  I made a phase shifter with a secondary order all pass filter.
  I think that is unprecedented.
16 photo couplers are used in this circuit, but it may be enough in half 
depending on the circuit.
Please refer.

http://d.hatena.ne.jp/SpyBreak/


Atsushi




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