The insertion loss was not nearly as high as I had expected - a good thing in my case. The insertion loss was about 0.70dB around 14.3MHz, while the attenuation at 28MHz was over 50dB.
Friday, August 30, 2013
Low Pass Filter (About Time!!!)
Using a kitsandparts.com kit - and my own wire - I constructed a 20m low pass filter with the clear intention of putting my radio on the air.
The insertion loss was not nearly as high as I had expected - a good thing in my case. The insertion loss was about 0.70dB around 14.3MHz, while the attenuation at 28MHz was over 50dB.
The insertion loss was not nearly as high as I had expected - a good thing in my case. The insertion loss was about 0.70dB around 14.3MHz, while the attenuation at 28MHz was over 50dB.
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