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Text File  |  1996-06-22  |  703 b   |  20 lines
  1. This routine designs a band-pass filter, that has a constant input impedance
  2. of Zo at all frequencies, both in the pass-band and in the stop-band. At the
  3. edges of the passband, the impedance is not too good, but its perfect at DC,
  4. centre and infinity.
  5.  
  6. ---------------L1-----------------C1------------
  7.      |                              |
  8.      |                              |
  9.      |------Zo-----------------Zo---|
  10.             |
  11.             |
  12.       -------------------------------|
  13.      |                               |
  14.      |                               |
  15.      L2                              C2
  16.      |                               |
  17.      |                               |
  18. ------------------------------------------------
  19.  
  20.