Microchip
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Windipoles
Windipoles is a free real time passive filter simulator program developed under Microsoft Visual Studio . NET. It enables design, synthesis, analysis, optimizations and plots, all graphically, in the frequency and time domains from your engineering specifications.


Main window showing several circuits at a time.
(show elements mode)

 

Main window (hide elements mode)
Notice the resonant frequency in red.

 

Schematics capture window (show elements mode)

By default source and load value is 50Ω.All the remaining components default values are zero.The program will add any new values other than zero.

Note: First dipole (R1, L1, C1) and last dipole (Rn, Ln, Cn, cn) are the source and the load impedances respectively.

 

Control Panel

1- Scan Frequency (Hz).
2- Log/Lin plot scale.
3- Circuit num. on screen.
4- Plot colour.
5- Plot views.
6- assign Q for all coils.
   7- Redraw.
  8- Number of elements.
  9- Show/Hide null components.
10- Bill of materials.
11- Generate schematics.
12- Clear a circuit (remove).
 
  Cursor positioned on plot.

 

Opening with Override: Replaces any existing plot on window. File format is .xml

Open with Overlap: Overlaps the current plot. File format is .xml


  Save XML: Plots are saved in XML format.
Save all: Plots are saved in XML and BMP formats to print purpouse..

 
Schematics generated

 
Bill of materials
     
     

Real Time Analysis Windows

 

Voltage Effective Gain

Voltage Effective Gain is the relation Vout/Vin or expressed in dB:

Vg=20 x log10 (Vout / Vin)

 

Input Impedance

Equivalent impedance viewed by the source.


Z Output		  

Output Impedance

Equivalent impedance viewed by the load.

 

Return loss

Shows how the filter matches in ratio to the source.

R Loss = - 20 * log10(
   || ( Z L - Z 0) / ( Z L + Z 0 ) || )
     
     

   System Requirements:
 - PC host.
 - Runs under Windows XP & Vista32 operating systems.
 - Microsoft Framework, a component of Windows OS, available on Windows Update.

                 

1024x768 minimum recommended screen resolution.

Several bugs improved.

WinDipoles download (beta version 3.1.2.4)

(29 Sep 2008)

Download WinDipoles
 
 
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