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Text File  |  1993-11-21  |  1KB  |  36 lines
  1. 1978 August    QST                                     p. 18
  2.                Simple Ladder I-F Filter
  3.  
  4.      December  QST                                     p. 22
  5.                Some Experiments with High-Frequency 
  6.                Ladder Crystal Filters
  7.  
  8. 1980 September QST                                     p. 29
  9.                What is a Filter?
  10.  
  11.      November  QST                                     p. 20
  12.                Ladder Crystal Filter Design
  13.  
  14. 1981 May       QST                                     p. 18
  15.                Crystal Filter Design with Small
  16.                Computers
  17.  
  18.      October   QST                                     p. 38
  19.                Beating Rotten QRM - CW Filtering for
  20.                the Beginner
  21.  
  22.      November  QST                                     p. 22
  23.                New Selectivity for Old Receivers
  24.  
  25. 1982 May       QST                                     p. 21
  26.                A Unified Approach to the Design of     7 pages
  27.                Crystal Ladder Filters
  28.  
  29. 1987 July      QST                                     p. 24
  30.                Designing and Building Simple Crystal   5 pages
  31.                Filters
  32. 1987 July      QST                                     p. 24
  33.                Designing and Building Simple Crystal   5 pages
  34.                Filters
  35.  
  36.