TXBPF project

A few months ago I joined in on a group purchase of parts for the TXBPF.  This is a multi band band pass filter with    manual and automatic selection.  Of course to make this work, you have to build it.  I would not call this a begginers project as there is surface mount  components to solder and 24 torroids to wind.  Then there is the tuning. (more to come)  What follows is the current AIM 4170B plots of swr and return loss:

Let me know what you think!


20140531Txbpf10 20140531Txbpf15 20140531Txbpf20 20140531Txpbf40 20140531Txbpf80 20140531Txbpf160



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