A broad line of passive filters and discriminators can be synthesized using both crystal and lumped elements as principal resonators. Depending on their application they may be:

 Crystal and LC filters
 Crystal and LC discriminators
 Crystal phase shifters
 Diplexers and Triplexers
 Crystal and LC amplitude,
     phase and time delay equalizer networks
 Switched filters via computer control
Combinations of the above are also available.

Alpha Components
6 Crescent Ct
New Cumberland, PA 17070
Phone: (717) 774-3603
Electronic Mail
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Alpha Components