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What are ladder filters used in amateur radio?
Автор: Johnson's TechWorld
Загружено: 2026-01-31
Просмотров: 87
Описание: In the world of amateur radio, a ladder filter is a critical component used primarily in Superheterodyne receivers and SSB (Single Sideband) transmitters. Ladder filters can be made of inductance - capacitor combinations or crystal - capacitor combinations. Crystal ladder filters have very low insertion loss due to high Q (quality factor). Small capacitors are placed between the crystals or in parallel to ground. By changing the values of these capacitors, you can "squeeze" or "stretch" the bandwidth of the filter to suit your needs. Read More: https://johnsonfrancis.org/techworld/...
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