This program is designed to facilitate the design of PI and PI-L networks.
Main features:
- The design screen accepts inputs for the operating frequency, the load as seen by the final amplifier tube *, the intermediate impedance if the L-network is to be used, the output load value and the Q value for the PI-network.
- The above values have defaults for program startup. After using the program, your current values are saved for easy program restart.
- In addition to simply entering values into the text boxes, "tuning" buttons allow tuning the intermediate impedance up or down in 1% steps and immediately seeing the new component values on the schematic.
- The Q value for the PI network is entered and tuned in that same manner.
- Regardless of whether an "out of bounds" value is entered via a textbox or by tuning, the program examines the values and limits them to values which are acceptable.
- Click on the Plot button and see transmission and return plotted. On the plot are indicated the responses for the fundamental, the second and third harmonics. Those items are also shown in tabular form at the bottom of the screen.
- After the design has progressed to a particular point you may click on Save to save the plot. Later you may recall that plot by clicking on the Get button.
- Design methods using tables are now history.
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