readme.txt

Filter Wiz v3.0f 一个很不错的进行有源和无源滤波器设计的软件

   Filter Wiz v3.0 download
   The file you are downloading is an executable file; run it and the 
setup process will begin. The programs are fully functional except that
some pole positions and some resistor values are masked. Purchase and 
registration of the program automatically removes these restrictions.  

   Current version: 3.0e 

   A fully functional program, limited prior to registration only by the
masking of some pole positions and resistor values.

   intuitive interface for rapid filter design 
   previous experience with active filters not required 
   filters formed by cascading first and second order filter stages 
   create filters up to order 20 (LE and Pro version) 
   lowpass, highpass, bandpass and bandstop designs 
   alternate User-Defined filter construction 
   5 filter Approximations to choose from 
   7 first order circuit topologies 
   65 second order topologies (25 for LE version) 
   additional 16 active compensation circuit variations (12 LE version) 
   save designs at any stage 
   interactive (PRO version) and automatic pole-zero pairing 
   interactive (PRO version) and automatic stage cascading (sequencing) 
   set exact (measured) or standard resistor and capacitor values 
   priced at $89 US (LE version) and $199 US (PRO version) 


   这是一个很不错的进行有源和无源滤波器设计的软件，如果不注册，对正极点数
目和一些电阻值进行了限制，单人购卖的话要199个美金。