GPS Bandpass Filters

af4jf_a

Herbert Ullmann AF4JF,  tests and describes some applications of the 433 MHz, GPS and 1268 MHz bandpass filters in this post: http://af4jf.blogspot.ca/2016/06/filters-filters-and-more-filters.html

GPS Filter

433 MHz Filter

If you’re looking for some gain in addition to filtering for the GPS 1575 MHz  band, here’s a Pre-filtered GPS LNA.

 

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One thought on “GPS Bandpass Filters

  1. I’m looking for a bandpass filter to allow only channel 42. (638-644mhz) from my antenna is this something that would be able to purchase?

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