en:if_filters
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The best results are achieved with **mechanical filters** with a mechanically resonating structure, they are used in professional or military equipment and in some amteur radio gear (or at least, they could be installed as an option). | The best results are achieved with **mechanical filters** with a mechanically resonating structure, they are used in professional or military equipment and in some amteur radio gear (or at least, they could be installed as an option). | ||
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+ | Receivers with DSP (Digital signal processing) rely on digital sampling of the radio frequency or the intermediate frequency. After this is done, digitally programmed filters can be used to process the signal, as additional filters can be programmed at virtually no extra cost, a big selection of filters with different skirts is available. |
en/if_filters.1622194952.txt.gz · Zuletzt geändert: 2021/05/28 11:42 von mb