110 MHz BANDPASS FILTER WAVEFORMS

0.1 thru 115MHz full sweep.jpg

Figure 1- 0.1 115 MHz Full Sweep. Y-axis 10db per div. As you can see, pass band is 72db and stop band varies from 0-15db.

 

110 MHz passband bw 4 MHz.jpg

Figure 2- 110 MHz pass band, BW=4MHz. X-axis 1 MHz per div. and Y-axis 10db per div.

 

105 and 110 mHZ markers.jpg

Figure 3- 110 MHz pass band with marker at 105MHz and 110MHz. X-axis 1 MHz per div. and Y-axis 10db per div.

 

100 and 105 mHZ markers in stopband.jpg

 

Figure 4- Markers at 100MHz and 105MHz. X-axis 1 MHz per div. and Y-axis 10db per div.

 

90 and 95 mHZ markers in stopband.jpg

Figure 5- Markers at 90MHz and 95MHz. X-axis 1 MHz per div. and Y-axis 10db per div.

 

Piston capacitor version.jpg

Figure 6- Piston Capacitor Version from Kanga kit

 

Reference schematic:

http://w7zoi.net/mixed-bag/mixed_bag.html

 

 

 

 

 

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