Et båndpasfilter er et filter, der bruges til at dæmpe uønskede frekvensintervaller, og lade et ønsket frekvensinterval passere. Det er mest brugt i radiosendere og radiomodtagere.
![image](https://www.wikidata.da-dk.nina.az/image/aHR0cHM6Ly93d3cud2lraWRhdGEuZGEtZGsubmluYS5hei9pbWFnZS9hSFIwY0hNNkx5OTFjR3h2WVdRdWQybHJhVzFsWkdsaExtOXlaeTkzYVd0cGNHVmthV0V2WTI5dGJXOXVjeTkwYUhWdFlpODJMelppTDBKaGJtUjNhV1IwYUY4eUxuTjJaeTh5TWpCd2VDMUNZVzVrZDJsa2RHaGZNaTV6ZG1jdWNHNW4ucG5n.png)
![image](https://www.wikidata.da-dk.nina.az/image/aHR0cHM6Ly93d3cud2lraWRhdGEuZGEtZGsubmluYS5hei9pbWFnZS9hSFIwY0hNNkx5OTFjR3h2WVdRdWQybHJhVzFsWkdsaExtOXlaeTkzYVd0cGNHVmthV0V2WTI5dGJXOXVjeTkwYUhWdFlpOWlMMkprTDBKaGJtUndZWE56WDBacGJIUmxjaTV6ZG1jdk1qSXdjSGd0UW1GdVpIQmhjM05mUm1sc2RHVnlMbk4yWnk1d2JtYz0ucG5n.png)
![image](https://www.wikidata.da-dk.nina.az/image/aHR0cHM6Ly93d3cud2lraWRhdGEuZGEtZGsubmluYS5hei9pbWFnZS9hSFIwY0hNNkx5OTFjR3h2WVdRdWQybHJhVzFsWkdsaExtOXlaeTkzYVd0cGNHVmthV0V2WTI5dGJXOXVjeTkwYUhWdFlpODVMemswTDBKaGJtUXRjR0Z6YzE5bWFXeDBaWEpmYzNsdFltOXNMbk4yWnk4eU1qQndlQzFDWVc1a0xYQmhjM05mWm1sc2RHVnlYM041YldKdmJDNXpkbWN1Y0c1bi5wbmc=.png)
Se også
Wikimedia Commons har flere filer relateret til Båndpasfilter
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